Fremont County Emergency Management

10/21/2026

1147 AM MDT Wed Oct 21 2026
..FLASH FLOOD WATCH FOR THE BIG ROCK AND OHIO BURN SCAR IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON...

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Big Rock burn scar and Ohio burn scar.

* WHERE...Portions of central and southeast Idaho, including the following areas, in central Idaho, Wood River Foothills. In southeast Idaho, Upper Snake River Plain.

* WHEN...From Thursday evening through Friday afternoon.

* IMPACTS...Heavy rainfall over the Big Rock and Ohio burn scar is expected up to and during the period of the watch. Residents near
the Big Rock and Ohio burn scar should prepare for potential debris flow. Be sure to stay up to date with information from local
authorities. Heavy rainfall could trigger flash flooding and debris flows in and near recent wildfire burn scars.

* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy rainfall over the Big Rock and Ohio burn scar, which may lead to
flash flooding and debris flows.

- Some locations that may experience flash flooding include...
Heise.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

10/21/2026

The rail crossing on Main Street in Ashton is blocked due to a derailment. The crossing will be blocked for several hours.

10/18/2026

10/16/2026

The seasonal drought forecast was issued today. Not good for us here in Idaho

10/15/2026

More than 80% of the wildfires that the Idaho Department of Lands has responded to this year have been caused by humans, Director Dustin Miller told an interim

10/13/2026

1017 AM MDT Tue Oct 13 2026
..FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as the mid to upper 20s.

* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain.

* WHEN...From 3 AM to 9 AM MDT Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor
plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.

10/12/2026

1048 AM MDT Mon Oct 12 2026
..FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM MDT TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Upper Snake River Plain.

* WHEN...From 4 AM to 9 AM MDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.