Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

light snow

30°F

-1°C

Humidity 80%
Wind Speed NE 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 25°F (-4°C)
Visibility 5.00 mi
Wind Chill22°F (-6°C)
Last update 02 Dec 08:05 PM MST
Extended Forecast for

Arminto WY

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly after 10pm.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 15. Light and variable wind.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 24. East southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 24 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Wind chill values as low as zero. West wind 7 to 13 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Wind chill values as low as zero. West wind 11 to 13 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. West wind around 11 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly after 11pm.  Mostly cloudy, with a low around 18. Breezy, with a west southwest wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of snow showers.  Partly sunny, with a high near 37. Breezy.

    High: 37 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before 11pm.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A 40 percent chance of snow showers, mainly after 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 15. Light and variable wind. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 24. East southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 12. Wind chill values as low as zero. West wind 7 to 13 mph.
Thursday
Mostly sunny, with a high near 30. Wind chill values as low as zero. West wind 11 to 13 mph.
Thursday Night
Partly cloudy, with a low around 14. West wind around 11 mph.
Friday
Mostly sunny, with a high near 31. West wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 18. Breezy, with a west southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of snow showers. Partly sunny, with a high near 37. Breezy.
Saturday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 21. Breezy.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
A slight chance of rain and snow showers. Partly sunny, with a high near 42. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arminto WY
 43.19°N 107.24°W (Elev. 6165 ft)
7:32 pm MST Dec 2, 2025
8pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
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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