National Weather Service Forecast for: Casper WY
Issued by: National Weather Service Riverton, WY
Updated: 8:48 am MDT Jul 28, 2026
 
Today

Today: Isolated showers and thunderstorms after noon. Patchy smoke before 3pm, then patchy smoke after 5pm. Sunny, with a high near 94. Light and variable wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Patchy Smoke
then Isolated
T-storms
 Tonight

Tonight: Isolated showers and thunderstorms before 7pm. Patchy smoke. Partly cloudy, with a low around 63. East northeast wind 5 to 11 mph becoming north after midnight. Chance of precipitation is 10%.
Isolated
T-storms then
Patchy Smoke
 Wednesday

Wednesday: Isolated showers and thunderstorms after noon. Patchy smoke before 5pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming east 9 to 14 mph in the afternoon. Chance of precipitation is 20%.
Patchy Smoke
then Isolated
T-storms
 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. West northwest wind 5 to 8 mph becoming south southwest in the evening.
Chance
T-storms then
Partly Cloudy
 Thursday

Thursday: Sunny, with a high near 96. Southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 61. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Mostly Clear

 Friday

Friday: Sunny and hot, with a high near 98. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 26 mph.
Sunny then
Sunny and
Breezy
 Friday
Night
Friday Night: Clear, with a low around 61.
Clear

 Saturday

Saturday: Sunny and hot, with a high near 99.
Hot
Hi 94 °F Lo 63 °F Hi 97 °F Lo 62 °F Hi 96 °F Lo 61 °F Hi 98 °F Lo 61 °F Hi 99 °F

 

Today
 
 Isolated showers and thunderstorms after noon. Patchy smoke before 3pm, then patchy smoke after 5pm. Sunny, with a high near 94. Light and variable wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Tonight
 
 Isolated showers and thunderstorms before 7pm. Patchy smoke. Partly cloudy, with a low around 63. East northeast wind 5 to 11 mph becoming north after midnight. Chance of precipitation is 10%.
Wednesday
 
 Isolated showers and thunderstorms after noon. Patchy smoke before 5pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming east 9 to 14 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. West northwest wind 5 to 8 mph becoming south southwest in the evening.
Thursday
 
 Sunny, with a high near 96. Southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
 
 Mostly clear, with a low around 61. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
 
 Sunny and hot, with a high near 98. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 26 mph.
Friday Night
 
 Clear, with a low around 61.
Saturday
 
 Sunny and hot, with a high near 99.
Saturday Night
 
 Mostly clear, with a low around 65.
Sunday
 
 Sunny and hot, with a high near 103.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Casper WY.