NWS Riverton WYFZ.W 0006September 13, 2026
Freeze Warning: Star Valley, WY
The National Weather Service office in Riverton issued a freeze warning for Star Valley in Wyoming, which was in force until 9:00 a.m. local time on September 14. It was the 6th freeze warning the NWS office in Riverton issued in 2026. Wyoming had 3 freeze warnings in September 2026, against 3 in an average September of 2008-2025 (Wyoming's freeze warnings by year).
ExpiredWarning
In force for 6 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Riverton WY
- Area
- Star Valley
- State
- Wyoming
- Level
- Warning
- Issued
- 8:50 a.m. MDT, September 13, 2026
- In force from
- 3:00 a.m. MDT, September 14, 2026
- Expires
- 9:00 a.m. MDT, September 14, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KRIW FZ.W 0006
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Sub-freezing temperatures 26 to 30 degrees expected. Isolated cold prone areas 22 to 26 degrees. * WHERE...Star Valley. * WHEN...From 3 AM to 9 AM MDT Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
What the agency told people to do
Take steps now to protect tender plants from the cold.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.