Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Fair

18°F

-8°C

Humidity 79%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 22 Feb 10:55 pm MST
Extended Forecast for

Newcastle WY

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 21. Wind chill values as low as 14. East wind 5 to 7 mph becoming calm  after midnight.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Wind chill values as low as 20 early. Light and variable wind.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Calm wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 15 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 11pm.  Mostly cloudy, with a low around 30. North wind around 6 mph becoming light and variable.  Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all snow after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a west wind 7 to 12 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. West wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 21. Wind chill values as low as 14. East wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 55. Wind chill values as low as 20 early. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 31. Calm wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 47. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 30. North wind around 6 mph becoming light and variable. Chance of precipitation is 20%.
Wednesday
Rain and snow likely, becoming all snow after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a west wind 7 to 12 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 23. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 51. West wind 7 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 27.
Friday
Mostly sunny, with a high near 54.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20.
Saturday
A chance of snow. Partly sunny, with a high near 38.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
9:37 pm MST Feb 22, 2026
11pm MST Feb 22, 2026-6pm MST Mar 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database