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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.85°N 106.34°W (Text-Only)
NWS Forecast for: Casper WY
Issued by: National Weather Service Riverton, WY
Last Update: 8:49 pm MDT Jun 29, 2026		Print

  • Tonight

    Tonight: Clear, with a low around 49. Windy, with a west southwest wind 15 to 25 mph, with gusts as high as 36 mph.

    Low: 49 °F

    Clear and
    Windy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 29 mph.

    High: 84 °F

    Sunny and
    Breezy

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 51. West southwest wind 6 to 13 mph becoming southeast in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 85 °F

    Sunny


  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 53. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy


  • Thursday

    Thursday: Sunny, with a high near 88. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 88 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming south after midnight.

    Low: 54 °F

    Partly Cloudy


  • Friday

    Friday: Sunny, with a high near 91. Breezy.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy


    • Tonight: Clear, with a low around 49. Windy, with a west southwest wind 15 to 25 mph, with gusts as high as 36 mph.

    Tuesday: Sunny, with a high near 84. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 29 mph.

    Tuesday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 51. West southwest wind 6 to 13 mph becoming southeast in the evening. Chance of precipitation is 20%.

    Wednesday: Sunny, with a high near 85. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Wednesday Night: Partly cloudy, with a low around 53. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Thursday: Sunny, with a high near 88. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    Thursday Night: Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming south after midnight.

    Friday: Sunny, with a high near 91. Breezy.

    Friday Night: Partly cloudy, with a low around 54.

    Independence Day: Sunny, with a high near 86.

    Saturday Night: Mostly clear, with a low around 53.

    Sunday: Sunny, with a high near 90.

    Sunday Night: Mostly clear, with a low around 57.

    Monday: Sunny, with a high near 93.


    Casper WY
     42.85°N 106.34°W (Elev. 5154 ft)

    Visit your local NWS office at: https://www.weather.gov/riw