Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

070W10895RWS1RP1 at Canyon Creek Rd (CO099)

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

NA

64°F

18°C

Humidity 57%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 25 Aug 11:17 PM MDT
Extended Forecast for

New Castle CO

  • Tonight

    Tonight: Partly cloudy, with a low around 55. East wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly sunny, with a high near 91. East wind 5 to 10 mph becoming west in the afternoon.  Chance of precipitation is 10%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. West wind 5 to 10 mph becoming east after midnight.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 91. East wind 5 to 10 mph becoming west in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming east after midnight.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. East wind around 5 mph.
Wednesday
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 91. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Partly cloudy, with a low around 55. West wind 5 to 10 mph becoming east after midnight.
Thursday
A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 91. East wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.57°N 107.53°W (Elev. 6398 ft)
9:42 pm MDT Aug 25, 2026
11pm MDT Aug 25, 2026-6pm MDT Sep 1, 2026
 
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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