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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

39°F

4°C

Humidity 45%
Wind Speed SW 14 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 30 Dec 12:53 PM MST
Extended Forecast for

Casper/Natrona Intl Airport WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 25. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 49. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35. Southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 42. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 25. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 47. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South southwest wind around 14 mph, with gusts as high as 23 mph.
New Year's Day
Mostly cloudy, with a high near 49. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 35. Southwest wind around 14 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 53. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 35. Breezy.
Saturday
Mostly sunny, with a high near 52. Breezy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Partly sunny, with a high near 50. Breezy.
Sunday Night
Partly cloudy, with a low around 25.
Monday
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:
11:48 am MST Dec 30, 2025
Forecast Valid:
1pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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