Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

070W10895RWS1RP1 at Canyon Creek Rd (CO099)

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

NA

71°F

22°C

Humidity 28%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 17 Aug 10:04 PM MDT
Extended Forecast for

New Castle CO

  • Tonight

    Tonight: Mostly clear, with a low around 56. South southeast wind around 5 mph becoming east after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. East wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. West northwest wind 5 to 15 mph becoming east after midnight.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers after 3pm.  Sunny, with a high near 92. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming east in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. South southeast wind around 5 mph becoming east after midnight.
Tuesday
Mostly sunny, with a high near 93. East wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 58. West northwest wind 5 to 15 mph becoming east after midnight.
Wednesday
A 10 percent chance of showers after 3pm. Sunny, with a high near 92. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming east in the evening.
Thursday
Sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 96.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.57°N 107.53°W (Elev. 6398 ft)
10:11 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 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