National Weather Service Forecast for: Casper WY
Issued by: National Weather Service Riverton, WY
Updated: 8:01 pm MST Feb 1, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 38. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 29 mph.
Mostly Cloudy
and Breezy

 Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 8 to 15 mph, with gusts as high as 21 mph.
Partly Sunny
then Sunny
and Breezy
 Monday
Night
Monday Night: Partly cloudy, with a low around 32. Southwest wind 5 to 7 mph becoming calm.
Partly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 50. Breezy, with a southwest wind 9 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Partly Sunny
then Partly
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 52. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Mostly Sunny
then Mostly
Sunny and
Breezy
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 32. Southwest wind around 10 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 58.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 30.
Mostly Clear
Lo 38 °F Hi 50 °F Lo 32 °F Hi 50 °F Lo 25 °F Hi 52 °F Lo 32 °F Hi 58 °F Lo 30 °F

 

Tonight
 
 Mostly cloudy, with a low around 38. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 29 mph.
Monday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 8 to 15 mph, with gusts as high as 21 mph.
Monday Night
 
 Partly cloudy, with a low around 32. Southwest wind 5 to 7 mph becoming calm.
Tuesday
 
 Partly sunny, with a high near 50. Breezy, with a southwest wind 9 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
 
 Partly cloudy, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 52. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
 
 Partly cloudy, with a low around 32. Southwest wind around 10 mph.
Thursday
 
 Sunny, with a high near 58.
Thursday Night
 
 Mostly clear, with a low around 30.
Friday
 
 Sunny, with a high near 59.
Friday Night
 
 Mostly clear, with a low around 33.
Saturday
 
 Mostly sunny, with a high near 57.
Saturday Night
 
 Partly cloudy, with a low around 32.
Sunday
 
 Mostly sunny, with a high near 56. Breezy.

 

Forecast from NOAA-NWS for Casper WY.