Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

81°F

27°C

Humidity 8%
Wind Speed SW 17 G 26 mph
Barometer 30.20 in
Dewpoint 14°F (-10°C)
Visibility NA
Heat Index79°F (26°C)
Last update 16 Jun 5:55 pm MDT
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Breezy, with a west wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of snow showers before 4pm, then a chance of rain and snow showers. Some thunder is also possible.  Partly sunny, with a high near 53. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 53 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Juneteenth

    Juneteenth: Sunny, with a high near 60. Breezy.

    High: 60 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 60. Windy.

    High: 60 °F

    Sunny and
    Windy

  • Friday Night

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

    Low: 43 °F

    Mostly Clear
    and Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Breezy, with a west wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday
A chance of snow showers before 4pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 53. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Mostly clear, with a low around 34. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 39. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Juneteenth
Sunny, with a high near 60. Breezy.
Thursday Night
Mostly clear, with a low around 44. Breezy.
Friday
Sunny, with a high near 60. Windy.
Friday Night
Mostly clear, with a low around 43. Windy.
Saturday
Sunny, with a high near 61. Windy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 58. Breezy.
Sunday Night
Partly cloudy, with a low around 36. Breezy.
Monday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 50. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
4:29 pm MDT Jun 16, 2025
6pm MDT Jun 16, 2025-6pm MDT Jun 23, 2025
 
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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