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

60°F

16°C

Humidity 35%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Jun 9:15 am MDT
Extended Forecast for

4 Miles W Saint Marys Glacier CO

Red Flag Warning June 24, 11:00am until June 24, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Areas of smoke. Mostly sunny, with a high near 58. Breezy, with a west wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 58 °F

    Breezy. Areas
    Smoke then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Areas of smoke. Mostly cloudy, with a low around 40. West wind 11 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm.  High near 49. Breezy, with a west northwest wind 13 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    High: 49 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%.

    Low: 39 °F

    Breezy.
    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 55 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Windy.

    Low: 43 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 56. Windy.

    High: 56 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 41. Windy.

    Low: 41 °F

    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 56. Windy.

    High: 56 °F

    Sunny and
    Windy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Areas of smoke. Mostly sunny, with a high near 58. Breezy, with a west wind 11 to 18 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms. Areas of smoke. Mostly cloudy, with a low around 40. West wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Thursday
Showers and thunderstorms, mainly before 3pm. High near 49. Breezy, with a west northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 43. Windy.
Saturday
Sunny, with a high near 56. Windy.
Saturday Night
Clear, with a low around 41. Windy.
Sunday
Sunny, with a high near 56. Windy.
Sunday Night
Mostly clear, with a low around 37. Breezy.
Monday
Sunny, with a high near 53. Breezy.
Monday Night
Mostly clear, with a low around 37. Breezy.
Tuesday
Sunny, with a high near 55. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Marys Glacier CO
 39.84°N 105.72°W (Elev. 12260 ft)
12:46 am MDT Jun 24, 2026
9am MDT Jun 24, 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