National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

070W10895RWS1RP1 at Canyon Creek Rd (CO099)

Lat: 39.5739°NLon: 107.45295°WElev: 5679.0ft.

NA

35°F

2°C

Humidity 39%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility 1.24 mi
Last update 21 Feb 05:05 PM MST
Extended Forecast for

New Castle CO

  • Tonight

    Tonight: Mostly clear, with a low around 11. South southeast wind around 5 mph becoming east after midnight.

    Low: 11 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. East wind around 5 mph becoming west in the afternoon.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Calm wind becoming east around 5 mph after midnight.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. East wind around 5 mph becoming west in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Southeast wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 52.

    High: 52 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 11. South southeast wind around 5 mph becoming east after midnight.
Sunday
Sunny, with a high near 46. East wind around 5 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 19. Calm wind becoming east around 5 mph after midnight.
Monday
Mostly sunny, with a high near 52. East wind around 5 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 24. Southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 35.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 26.
Thursday
A slight chance of rain and snow showers before 11am. Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 26.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.57°N 107.53°W (Elev. 6398 ft)
Last Update:
4:23 pm MST Feb 21, 2026
Forecast Valid:
5pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation