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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Mostly Cloudy

7°F

-14°C

Humidity 77%
Wind Speed SW 14 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 28 Dec 09:05 AM MST
Extended Forecast for

Casper/Natrona Intl Airport WY

  • Today

    Today: Sunny, with a high near 20. Wind chill values as low as -10. Breezy, with a west wind 14 to 22 mph, with gusts as high as 32 mph.

    High: 20 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -5. Southwest wind 8 to 10 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36. Wind chill values as low as -5. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Southwest wind 8 to 11 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Breezy, with a southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 20. Wind chill values as low as -10. Breezy, with a west wind 14 to 22 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -5. Southwest wind 8 to 10 mph.
Monday
Sunny, with a high near 36. Wind chill values as low as -5. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 19. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 41. Southwest wind 8 to 11 mph.
Tuesday Night
Mostly clear, with a low around 22. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 47. Breezy, with a southwest wind around 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 28.
New Year's Day
Partly sunny, with a high near 51. Breezy.
Thursday Night
Partly cloudy, with a low around 33. Breezy.
Friday
Mostly sunny, with a high near 53. Breezy.
Friday Night
Partly cloudy, with a low around 28. Breezy.
Saturday
Partly sunny, with a high near 46. Breezy.
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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:
8:47 am MST Dec 28, 2025
Forecast Valid:
9am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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