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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

28°F

-2°C

Humidity 58%
Wind Speed SW 13 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 29 Dec 08:20 PM MST
Extended Forecast for

Casper WY

  • Tonight

    Tonight: Mostly clear, with a low around 29. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 41. Breezy, with a southwest wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 41 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 51. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 51 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 41. Breezy, with a southwest wind 9 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 29. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 49. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 22 mph.
New Year's Day
Mostly cloudy, with a high near 51. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 37. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 53. Breezy.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Partly cloudy, with a low around 36. Breezy.
Sunday
Partly sunny, with a high near 51. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 49. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.34°W (Elev. 5154 ft)
Last Update:
8:01 pm MST Dec 29, 2025
Forecast Valid:
8pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation