Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

72°F

22°C

Humidity 13%
Wind Speed W 6 mph
Barometer 30.19 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 16 Jun 7:55 pm MDT
Extended Forecast for

Saint Marys Glacier CO

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 58. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Breezy, with a west wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Breezy, with a west northwest wind 10 to 18 mph becoming southwest in the evening. Winds could gust as high as 28 mph.

    Low: 45 °F

    Mostly Clear
    then Clear
    and Breezy

  • Juneteenth

    Juneteenth: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 67. Windy.

    High: 67 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 49. Windy.

    Low: 49 °F

    Clear and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. West wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 58. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 39. Breezy, with a west wind 10 to 17 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 59. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 45. Breezy, with a west northwest wind 10 to 18 mph becoming southwest in the evening. Winds could gust as high as 28 mph.
Juneteenth
Sunny, with a high near 67. Breezy.
Thursday Night
Mostly clear, with a low around 49. Breezy.
Friday
Sunny, with a high near 67. Windy.
Friday Night
Clear, with a low around 49. Windy.
Saturday
Sunny, with a high near 68. Windy.
Saturday Night
Mostly clear, with a low around 48. Windy.
Sunday
Sunny, with a high near 65. Breezy.
Sunday Night
Mostly clear, with a low around 41. Breezy.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 55. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.66°W (Elev. 10981 ft)
4:29 pm MDT Jun 16, 2025
8pm MDT Jun 16, 2025-6pm MDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database