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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

75°F

24°C

Humidity 36%
Wind Speed SSE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Aug 10:00 AM MDT
Extended Forecast for

Casper WY

  • Today

    Today: Patchy smoke before 1pm. Sunny, with a high near 93. Southwest wind 7 to 11 mph becoming west northwest in the afternoon.

    High: 93 °F

    Patchy Smoke

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Northwest wind 5 to 8 mph becoming east southeast in the evening.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny and hot, with a high near 97. Light and variable wind becoming north 5 to 9 mph in the morning.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Breezy, with a west wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 92 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy smoke before 1pm. Sunny, with a high near 93. Southwest wind 7 to 11 mph becoming west northwest in the afternoon.
Tonight
Increasing clouds, with a low around 60. Northwest wind 5 to 8 mph becoming east southeast in the evening.
Friday
Mostly sunny and hot, with a high near 97. Light and variable wind becoming north 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 61. North wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 92. Breezy, with a west wind 11 to 17 mph, with gusts as high as 29 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Monday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.34°W (Elev. 5154 ft)
Last Update:
9:01 am MDT Aug 20, 2026
Forecast Valid:
10am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation