National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Overcast

66°F

19°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Jul 04:35 AM MDT
Extended Forecast for

Casper WY

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke. Mostly sunny, with a high near 93. West southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 93 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Areas of smoke. Mostly clear, with a low around 58. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 94. Calm wind becoming north northeast 5 to 9 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. East northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. South wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke. Mostly sunny, with a high near 93. West southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Areas of smoke. Mostly clear, with a low around 58. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 94. Calm wind becoming north northeast 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. East northeast wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. South wind 5 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny and hot, with a high near 104. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 57. Breezy.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 56. Breezy.
Wednesday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.31°W (Elev. 5151 ft)
Last Update:
4:17 am MDT Jul 30, 2026
Forecast Valid:
4am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation