Severe Cold Wave ● Closed
Freeze Warning issued September 14 at 9:18PM MDT until September 15 at 9:00AM MDT by NWS Riverton WY, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Sub-freezing temperatures 26 to 30 degrees. Isolated cold
prone areas dropping to 22 to 26 degrees.
* WHERE...Star Valley.
* WHEN...From 3 AM to 9 AM MDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Foothill locations may see Tuesday morning
lows closer to 32 degrees.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Star Valley |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-15T09:00:00-06:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 34 days ago (Sep 15, 2026 03:19 UTC) · we last heard from WMO Alert Hub (national weather services) 1 second ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Star Valley
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Hypothermia and frostbite prevention, home heating safety, and surviving being stranded in a vehicle.
Open Severe Cold & Winter Storm Safety →Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.