Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Sunlight (K5SM)

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

Clear

43°F

6°C

Humidity 26%
Wind Speed NA NA MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 29 Jun 09:35 PM MDT
Extended Forecast for

9 Miles SSE New Castle CO

Red Flag Warning June 30, 12:00pm until June 30, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Patchy smoke. Clear, with a low around 48. South southeast wind 5 to 10 mph.

    Low: 48 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny, with a high near 73. Breezy, with a south southeast wind 10 to 15 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 73 °F

    Patchy Smoke
    and Breezy

  • Tuesday Night

    Tuesday Night: Patchy smoke between 8pm and 10pm. Mostly clear, with a low around 49. Breezy, with a south southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 49 °F

    Patchy Smoke
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Patchy smoke after 9am. Sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 75 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 7pm. Mostly clear, with a low around 50. West southwest wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Patchy Smoke
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Clear, with a low around 48. South southeast wind 5 to 10 mph.
Tuesday
Patchy smoke. Sunny, with a high near 73. Breezy, with a south southeast wind 10 to 15 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Patchy smoke between 8pm and 10pm. Mostly clear, with a low around 49. Breezy, with a south southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Patchy smoke after 9am. Sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Patchy smoke before 7pm. Mostly clear, with a low around 50. West southwest wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 55.
Independence Day
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE New Castle CO
 39.46°N 107.49°W (Elev. 7838 ft)
9:32 pm MDT Jun 29, 2026
10pm MDT Jun 29, 2026-6pm MDT Jul 6, 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