Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Mondell Field (KECS)

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

Light Snow

30°F

-1°C

Humidity 80%
Wind Speed N 8 mph
Barometer 29.78 in
Dewpoint 25°F (-4°C)
Visibility 5.00 mi
Wind Chill22°F (-6°C)
Last update 2 Dec 3:35 am MST
Extended Forecast for

3 Miles NNE Newcastle WY

  • Overnight

    Overnight: A 20 percent chance of snow after 4am.  Mostly cloudy, with a steady temperature around 26. Light north wind.

    Low: 26 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after 2pm.  Mostly cloudy, with a high near 30. Wind chill values as low as 19. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before 10pm.  Mostly cloudy, with a low around 15. Wind chill values as low as 3. North wind 9 to 11 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 23. Wind chill values as low as 4. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.

    High: 23 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a steady temperature around 14. Calm wind.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 21. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Friday

    Friday: A slight chance of snow before 11am.  Mostly cloudy, with a high near 31. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 26. Light north wind.
Tuesday
A 40 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 30. Wind chill values as low as 19. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 15. Wind chill values as low as 3. North wind 9 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 23. Wind chill values as low as 4. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a steady temperature around 14. Calm wind.
Thursday
Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 21. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
A slight chance of snow before 11am. Mostly cloudy, with a high near 31. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21.
Saturday
A chance of snow. Partly sunny, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WY
 43.88°N 104.18°W (Elev. 4800 ft)
2:47 am MST Dec 2, 2025
3am MST Dec 2, 2025-6pm MST Dec 8, 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