Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

77°F

25°C

Humidity 14%
Wind Speed NW 13 G 17 mph
Barometer 30.36 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 23 Jun 6:55 pm MDT
Extended Forecast for

Grand Lake CO

Fire Weather Watch June 24, 11:00am until June 24, 06:00pm
Red Flag Warning June 23, 07:11pm until June 23, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
...
  •  
    Red Flag Warning June 23, 07:11pm until June 23, 08:00pm

    NOW until 8:00pm Tue

    Red Flag Warning

  • Tonight

    Low: 44 °F

    Chance
    Showers then
    Areas Smoke

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Areas of smoke. Mostly sunny, with a high near 77. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 77 °F

    Areas Smoke
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 9pm.  Areas of smoke. Mostly cloudy, with a low around 46. West wind 5 to 10 mph becoming light southwest  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 46 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 9am.  High near 68. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 100%.

    High: 68 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight.  Mostly cloudy, with a low around 44. West wind 5 to 9 mph becoming light  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74. Breezy.

    High: 74 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Windy.

    High: 75 °F

    Sunny and
    Windy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Areas of smoke. Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming southeast in the evening. Winds could gust as high as 15 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Areas of smoke. Mostly sunny, with a high near 77. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Areas of smoke. Mostly cloudy, with a low around 46. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 9am. High near 68. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 44. West wind 5 to 9 mph becoming light in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Breezy.
Friday Night
Partly cloudy, with a low around 47. Breezy.
Saturday
Sunny, with a high near 75. Windy.
Saturday Night
Mostly clear, with a low around 45. Windy.
Sunday
Sunny, with a high near 74. Breezy.
Sunday Night
Mostly clear, with a low around 41. Breezy.
Monday
Sunny, with a high near 73. Breezy.
Monday Night
Mostly clear, with a low around 43. Breezy.
Tuesday
Sunny, with a high near 76. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.79°W (Elev. 8599 ft)
12:46 pm MDT Jun 23, 2026
7pm MDT Jun 23, 2026-6pm MDT Jun 30, 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