Headline:
Freeze Warning issued May 19 at 9:35AM MDT until May 20 at 8:00AM MDT by NWS Riverton WY
Event:
Freeze Warning
Urgency:
Expected
Effective:
May 19, 2026 - 8:35am
Expires:
May 20, 2026 - 7:00am
Description:
* WHAT...Sub-freezing temperatures between 25 and 30 degrees
expected. The coldest temperatures occur where recent snowfall has
occurred, where lows may reach as cold as 20 degrees.
* WHERE...Green Mountains and Rattlesnake Range, Lander Foothills,
Natrona County Lower Elevations, Upper Wind River Basin, Wind
River Basin, and Southeast Johnson County.
* WHEN...From 9 PM this evening to 8 AM MDT Wednesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instruction:
Take steps now to protect tender plants from the cold.
Area Description:
Southeast Johnson County; Upper Wind River Basin; Wind River Basin; Lander Foothills; Green Mountains and Rattlesnake Range; Natrona County Lower Elevations
Forcast Office:
NWS Riverton WY