https://knoxcountyne.gov/default.htm

Knox County Emergency Management-NE, PO Box 165, Center, NE (2026)

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 10:13PM CDT until September 1 at 11:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Northwestern Knox County in northeastern Nebraska...

* Until 1100 PM CDT.

* At 1013 PM CDT, severe thunderstorms were located along a line
extending from 4 miles south of Avon to 3 miles north of Verdel to
5 miles east of Lynch, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Severe thunderstorms will be near...
Verdel around 1020 PM CDT.

Other locations in the path of these severe thunderstorms include
Niobrara and Santee.

AFFECTS: Knox, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/hv6LW6k

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 10:13 PM CST

EXPIRATION DATE: 9/1/26 11:00 PM CST

FULL ALERT TEXT:
----------------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Northwestern Knox County in northeastern Nebraska...

* Until 1100 PM CDT.

* At 1013 PM CDT, severe thunderstorms were located along a line
extending from 4 miles south of Avon to 3 miles north of Verdel to
5 miles east of Lynch, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Severe thunderstorms will be near...
Verdel around 1020 PM CDT.

Other locations in the path of these severe thunderstorms include
Niobrara and Santee.

See the full message w/ attachments at:
https://hrpow.us/hv6LW6k

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 9:47PM CDT until September 1 at 10:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 946 PM CDT, a severe thunderstorm was located 6 miles northwest of
Randolph, or 17 miles southwest of Hartington, moving east at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters report quarter sized hail in
Osmond, NE at 9:45 PM.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

This severe storm will be near...
Randolph around 950 PM CDT.

AFFECTS: Cedar, NE; Knox, NE; Pierce, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/41b6kSl

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 9:47 PM CST

EXPIRATION DATE: 9/1/26 10:00 PM CST

FULL ALERT TEXT:
----------------
At 946 PM CDT, a severe thunderstorm was located 6 miles northwest of
Randolph, or 17 miles southwest of Hartington, moving east at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters report quarter sized hail in
Osmond, NE at 9:45 PM.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

This severe storm will be near...
Randolph around 950 PM CDT.

See the full message w/ attachments at:
https://hrpow.us/41b6kSl

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 9:38PM CDT until September 1 at 10:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 938 PM CDT, a severe thunderstorm was located 3 miles northeast of
Osmond, or 21 miles southwest of Hartington, moving east at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

This severe storm will be near...
Randolph around 950 PM CDT.

AFFECTS: Cedar, NE; Knox, NE; Pierce, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/3tIZQZC

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 9:38 PM CST

EXPIRATION DATE: 9/1/26 10:00 PM CST

FULL ALERT TEXT:
----------------
At 938 PM CDT, a severe thunderstorm was located 3 miles northeast of
Osmond, or 21 miles southwest of Hartington, moving east at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

This severe storm will be near...
Randolph around 950 PM CDT.

See the full message w/ attachments at:
https://hrpow.us/3tIZQZC

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 9:32PM CDT until September 1 at 10:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 932 PM CDT, a severe thunderstorm was located near Osmond, or 24
miles southwest of Hartington, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.

This severe storm will be near...
Osmond around 935 PM CDT.

Other locations in the path of this severe thunderstorm include
Randolph.

AFFECTS: Cedar, NE; Knox, NE; Pierce, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/we7ltjF

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 9:32 PM CST

EXPIRATION DATE: 9/1/26 10:00 PM CST

FULL ALERT TEXT:
----------------
At 932 PM CDT, a severe thunderstorm was located near Osmond, or 24
miles southwest of Hartington, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.

This severe storm will be near...
Osmond around 935 PM CDT.

Other locations in the path of this severe thunderstorm include
Randolph.

See the full message w/ attachments at:
https://hrpow.us/we7ltjF

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 9:17PM CDT until September 1 at 10:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Northern Pierce County in northeastern Nebraska...
Northeastern Antelope County in northeastern Nebraska...
Southeastern Knox County in northeastern Nebraska...
Southwestern Cedar County in northeastern Nebraska...

* Until 1000 PM CDT.

* At 917 PM CDT, a severe thunderstorm was located over Plainview, or
21 miles northeast of Neligh, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
Osmond around 925 PM CDT.

Other locations in the path of this severe thunderstorm include
Randolph.

AFFECTS: Antelope, NE; Cedar, NE; Knox, NE; Pierce, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/AsPTEbI

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 9:17 PM CST

EXPIRATION DATE: 9/1/26 10:00 PM CST

FULL ALERT TEXT:
----------------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Northern Pierce County in northeastern Nebraska...
Northeastern Antelope County in northeastern Nebraska...
Southeastern Knox County in northeastern Nebraska...
Southwestern Cedar County in northeastern Nebraska...

* Until 1000 PM CDT.

* At 917 PM CDT, a severe thunderstorm was located over Plainview, or
21 miles northeast of Neligh, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
Osmond around 925 PM CDT.

Other locations in the path of this severe thunderstorm include
Randolph.

See the full message w/ attachments at:
https://hrpow.us/AsPTEbI

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 9:04PM CDT until September 1 at 9:30PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 904 PM CDT, a severe thunderstorm was located over Bloomfield, or
18 miles west of Hartington, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

Locations impacted include...
Bloomfield.

AFFECTS: Knox, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/3XSKUuk

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 9:04 PM CST

EXPIRATION DATE: 9/1/26 9:30 PM CST

FULL ALERT TEXT:
----------------
At 904 PM CDT, a severe thunderstorm was located over Bloomfield, or
18 miles west of Hartington, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

Locations impacted include...
Bloomfield.

See the full message w/ attachments at:
https://hrpow.us/3XSKUuk

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 8:46PM CDT until September 1 at 9:30PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Southeastern Knox County in northeastern Nebraska...

* Until 930 PM CDT.

* At 846 PM CDT, a severe thunderstorm was located 7 miles southwest
of Bloomfield, or 25 miles west of Hartington, moving east at 20
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Bloomfield and Wausa.

AFFECTS: Knox, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/HlivN09

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 8:46 PM CST

EXPIRATION DATE: 9/1/26 9:30 PM CST

FULL ALERT TEXT:
----------------
SVROAX

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
Southeastern Knox County in northeastern Nebraska...

* Until 930 PM CDT.

* At 846 PM CDT, a severe thunderstorm was located 7 miles southwest
of Bloomfield, or 25 miles west of Hartington, moving east at 20
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Bloomfield and Wausa.

See the full message w/ attachments at:
https://hrpow.us/HlivN09

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 8:35PM CDT until September 1 at 9:15PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 835 PM CDT, a severe thunderstorm was located 4 miles southwest of
St. Helena, or 9 miles north of Hartington, moving east at 40 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Public and mesonet reports of destructive wind.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.

Locations impacted include...
Wynot and St. Helena.

AFFECTS: Cedar, NE; Knox, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/E2mquED

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 8:35 PM CST

EXPIRATION DATE: 9/1/26 9:15 PM CST

FULL ALERT TEXT:
----------------
At 835 PM CDT, a severe thunderstorm was located 4 miles southwest of
St. Helena, or 9 miles north of Hartington, moving east at 40 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Public and mesonet reports of destructive wind.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.

Locations impacted include...
Wynot and St. Helena.

See the full message w/ attachments at:
https://hrpow.us/E2mquED

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Tornado Warning issued September 1 at 8:27PM CDT until September 1 at 9:00PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
TOROAX

The National Weather Service in Omaha has issued a

* Tornado Warning for...
East central Knox County in northeastern Nebraska...
Northern Cedar County in northeastern Nebraska...

* Until 900 PM CDT.

* At 827 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles north of Fordyce, or 8 miles south of Yankton,
moving east at 35 mph.

HAZARD...Tornado and tennis ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near...
St. Helena around 835 PM CDT.
Wynot around 840 PM CDT.

AFFECTS: Cedar, NE; Knox, NE

INSTRUCTION: TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/jKjlMcJ

URGENCY: Immediate

SEVERITY: Extreme

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 8:27 PM CST

EXPIRATION DATE: 9/1/26 9:00 PM CST

FULL ALERT TEXT:
----------------
TOROAX

The National Weather Service in Omaha has issued a

* Tornado Warning for...
East central Knox County in northeastern Nebraska...
Northern Cedar County in northeastern Nebraska...

* Until 900 PM CDT.

* At 827 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles north of Fordyce, or 8 miles south of Yankton,
moving east at 35 mph.

HAZARD...Tornado and tennis ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near...
St. Helena around 835 PM CDT.
Wynot around 840 PM CDT.

See the full message w/ attachments at:
https://hrpow.us/jKjlMcJ

09/02/2026

⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️

Severe Thunderstorm Warning issued September 1 at 8:19PM CDT until September 1 at 8:30PM CDT by NWS Omaha/Valley NE

SUMMARY:
--------
At 818 PM CDT, a severe thunderstorm was located over Crofton, or 8
miles south of Lewis And Clark State Recreation Area, moving east at
35 mph.

THIS IS A DESTRUCTIVE STORM FOR CROFTON.

HAZARD...Baseball size hail and 70 mph wind gusts.

SOURCE...Trained weather spotters report wind driven baseball sized
hail in Niobrara, NE at 7:58 PM.

IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.

This severe thunderstorm will remain over mainly rural areas of
northeastern Knox and northwestern Cedar Counties, including the
following locations... Weigand Marina, Gavins Point Dam And
Campgrounds, Lewis And Clark State Recreation Area, and Santee
Reservation.

AFFECTS: Cedar, NE; Knox, NE

INSTRUCTION: For your protection move to an interior room on the lowest floor of a
building.

This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.

URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/e6HdwtN

URGENCY: Immediate

SEVERITY: Severe

CERTAINTY: Observed

EFFECTIVE DATE: 9/1/26 8:19 PM CST

EXPIRATION DATE: 9/1/26 8:30 PM CST

FULL ALERT TEXT:
----------------
At 818 PM CDT, a severe thunderstorm was located over Crofton, or 8
miles south of Lewis And Clark State Recreation Area, moving east at
35 mph.

THIS IS A DESTRUCTIVE STORM FOR CROFTON.

HAZARD...Baseball size hail and 70 mph wind gusts.

SOURCE...Trained weather spotters report wind driven baseball sized
hail in Niobrara, NE at 7:58 PM.

IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.

This severe thunderstorm will remain over mainly rural areas of
northeastern Knox and northwestern Cedar Counties, including the
following locations... Weigand Marina, Gavins Point Dam And
Campgrounds, Lewis And Clark State Recreation Area, and Santee
Reservation.

See the full message w/ attachments at:
https://hrpow.us/e6HdwtN

Knox County Emergency Management-NE

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

09/02/2026

Address

Telephone

Website

Alerts

Shortcuts

Share

Category

Listing takedown request