Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Sunlight (K5SM)

Lat: 39.42556°NLon: 107.37917°WElev: 10604.0ft.

light snow

18°F

-8°C

Humidity 92%
Wind Speed NA NA MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 16°F (-9°C)
Visibility 1.50 mi
Last update 08 Dec 03:51 AM MST
Extended Forecast for

9 Miles SSE New Castle CO

  • Overnight

    Overnight: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 21. South wind around 5 mph.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 34. South wind around 5 mph becoming west in the morning.

    High: 34 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. South wind around 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South wind around 5 mph becoming west in the morning.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South southwest wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21. South wind around 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 34. South wind around 5 mph becoming west in the morning.
Monday Night
Partly cloudy, with a low around 22. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 35. South wind around 5 mph becoming west in the morning.
Tuesday Night
Mostly cloudy, with a low around 28. South southwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE New Castle CO
 39.46°N 107.49°W (Elev. 7838 ft)
3:52 am MST Dec 8, 2025
4am MST Dec 8, 2025-6pm MST Dec 14, 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