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

80°F

27°C

Humidity 13%
Wind Speed SW 12 G 18 mph
Barometer 30.31 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 12:35 pm MDT
Extended Forecast for

Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. West wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 61. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West wind 7 to 14 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Breezy.

    Low: 50 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 72. Windy.

    High: 72 °F

    Sunny and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. West wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 46. West wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 40. West wind 7 to 14 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 64. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 45.
Juneteenth
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 50. Breezy.
Friday
Sunny, with a high near 72. Windy.
Friday Night
Mostly clear, with a low around 50. Breezy.
Saturday
Sunny, with a high near 73. Breezy.
Saturday Night
Mostly clear, with a low around 49. Breezy.
Sunday
Sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
4:01 am MDT Jun 16, 2025
12pm MDT Jun 16, 2025-6pm MDT Jun 22, 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