WWUS75 KRIW 201348
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
748 AM MDT Wed May 20 2026

WYZ005-006-011-016>020-201500-
/O.EXP.KRIW.FZ.W.0004.000000T0000Z-260520T1400Z/
Southwest Bighorn Basin-Southeast Bighorn Basin-Southeast Johnson
County-Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-
Including the cities of Ten Sleep, Casper, Shoshoni, Kaycee,
Lander, Riverton, Worland, Jeffrey City, Thermopolis, and Dubois
748 AM MDT Wed May 20 2026

...FREEZE WARNING WILL EXPIRE AT 8 AM MDT THIS MORNING...

Temperatures will continue to warm through the morning. Therefore, 
the Freeze Warning will be allowed to expire at 8 AM MDT.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Gerhardt