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

Casper, Natrona County International Airport (KCPR)

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

Clear

60°F

16°C

Humidity 34%
Wind Speed E 12 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 May 09:53 PM MDT
Extended Forecast for

Casper WY

  • Tonight

    Tonight: Mostly clear, with a low around 50. East wind 5 to 9 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Breezy, with a southwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 77. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 41 mph.

    High: 77 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Breezy, with a southwest wind 19 to 24 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 37 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 78. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 78 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Breezy, with a west wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 50. East wind 5 to 9 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 89. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Breezy, with a southwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 77. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 41 mph.
Thursday Night
Mostly clear, with a low around 46. Breezy, with a southwest wind 19 to 24 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 37 mph.
Friday
Sunny, with a high near 78. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Partly cloudy, with a low around 43. Breezy, with a west wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Saturday
Mostly sunny, with a high near 78. Breezy.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Breezy.
Sunday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 34. Breezy.
Monday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 51. Breezy.
Monday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.34°W (Elev. 5154 ft)
Last Update:
10:02 pm MDT May 12, 2026
Forecast Valid:
10pm MDT May 12, 2026-6pm MDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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