Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

68°F

20°C

Humidity 20%
Wind Speed W 12 mph
Barometer 30.11 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 30 Jun 7:55 pm MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

Red Flag Warning June 30, 08:03pm until June 30, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning June 30, 08:03pm until June 30, 09:00pm

    NOW until 9:00pm Tue

    Red Flag Warning

  • Tonight

    Low: 42 °F

    Patchy Smoke
    then Mostly
    Clear

  • Wednesday

    Wednesday: Patchy smoke between 4pm and 5pm. Sunny, with a high near 67. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 44. Southwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 70. West southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West wind 7 to 9 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Breezy.

    High: 73 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 71.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy smoke between 9pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 42. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday
Patchy smoke between 4pm and 5pm. Sunny, with a high near 67. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 44. Southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 70. West southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 47. West wind 7 to 9 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 73. Breezy.
Friday Night
Partly cloudy, with a low around 49.
Independence Day
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
12:46 pm MDT Jun 30, 2026
8pm MDT Jun 30, 2026-6pm MDT Jul 7, 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