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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

43°F

6°C

Humidity 48%
Wind Speed WSW 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Nov 10:20 PM MST
Extended Forecast for

Casper WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 66. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 33 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Windy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 40 mph.

    Low: 48 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 66. Windy, with a west southwest wind 23 to 29 mph, with gusts as high as 38 mph.

    High: 66 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 33 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 61. Breezy, with a west southwest wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. South southwest wind around 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 66. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 33 mph.
Thursday Night
Mostly clear, with a low around 48. Windy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 40 mph.
Friday
Mostly sunny, with a high near 66. Windy, with a west southwest wind 23 to 29 mph, with gusts as high as 38 mph.
Friday Night
Partly cloudy, with a low around 43. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 61. Breezy, with a west southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 37. South southwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 51. Breezy.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 45.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of snow showers. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.83°N 106.34°W (Elev. 5236 ft)
Last Update:
9:46 pm MST Nov 12, 2025
Forecast Valid:
10pm MST Nov 12, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation