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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

070W10895RWS1RP1 at Canyon Creek Rd (CO099)

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

NA

59°F

15°C

Humidity 35%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 1.24 mi
Last update 10 Mar 11:36 AM MDT
Extended Forecast for

New Castle CO

  • Today

    Today: Sunny, with a high near 63. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 53. West wind 5 to 10 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. West wind 5 to 10 mph becoming east southeast after midnight.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 53. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 28. West wind 5 to 10 mph becoming east southeast after midnight.
Thursday
Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A slight chance of rain and snow showers after midnight. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.59°N 107.53°W (Elev. 5935 ft)
Last Update:
10:32 am MDT Mar 10, 2026
Forecast Valid:
11am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation