Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

27°F

-3°C

Humidity 38%
Wind Speed SSW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Jan 04:35 AM MST
Extended Forecast for

Casper WY

  • Today

    Today: A 20 percent chance of snow showers after 2pm.  Increasing clouds, with a high near 40. Breezy, with a west southwest wind 15 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.

    High: 40 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 20. Breezy, with a west southwest wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph.

    Low: 20 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. West southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. Light and variable wind.

    Low: 14 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. East northeast wind 6 to 8 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26. North northeast wind 6 to 8 mph.

    High: 26 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of snow showers after 2pm. Increasing clouds, with a high near 40. Breezy, with a west southwest wind 15 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 20. Breezy, with a west southwest wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph.
Wednesday
Mostly sunny, with a high near 36. West southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 14. Light and variable wind.
Thursday
Partly sunny, with a high near 30. Light and variable wind becoming north northeast 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 10. East northeast wind 6 to 8 mph.
Friday
Mostly cloudy, with a high near 26. North northeast wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Sunny, with a high near 38. Breezy.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 46. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.31°W (Elev. 5151 ft)
4:17 am MST Jan 20, 2026
4am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database