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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

52°F

11°C

Humidity 40%
Wind Speed SW 34 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 26 Dec 01:35 PM MST
Extended Forecast for

Casper/Natrona Intl Airport WY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 51. Windy, with a southwest wind 24 to 28 mph, with gusts as high as 41 mph.

    High: 51 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday

    Saturday: A 50 percent chance of snow showers, mainly after 4pm. Mostly cloudy, with a high near 43. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 9. Blustery, with a north northeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 9 °F

    Snow Showers
    Likely and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 26. Breezy, with a west wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 26 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Southwest wind 8 to 10 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 51. Windy, with a southwest wind 24 to 28 mph, with gusts as high as 41 mph.
Tonight
A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of snow showers, mainly after 4pm. Mostly cloudy, with a high near 43. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 9. Blustery, with a north northeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Sunny, with a high near 26. Breezy, with a west wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 8. Southwest wind 8 to 10 mph.
Monday
Sunny, with a high near 35. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casper/Natrona Intl Airport WY
 42.93°N 106.47°W (Elev. 5322 ft)
Last Update:
12:02 pm MST Dec 26, 2025
Forecast Valid:
1pm MST Dec 26, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation