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

52°F

11°C

Humidity 34%
Wind Speed SW 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Nov 10:05 PM MST
Extended Forecast for

Casper WY

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 48. Southwest wind 7 to 11 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 32 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 36 mph.

    Low: 47 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 67. Windy, with a west southwest wind 22 to 29 mph, with gusts as high as 38 mph.

    High: 67 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 62. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 48. Southwest wind 7 to 11 mph.
Thursday
Sunny, with a high near 66. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 47. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 67. Windy, with a west southwest wind 22 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 15 to 21 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 62. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Monday
A 40 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 30.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 46.
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 44.
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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:
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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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