Severe Storms in the Upper Midwest; Heavy Rain in the Mid-Atlantic; Widespread Heat in the Southern Plains and Southwest

Severe storms with damaging winds, large hail, and locally heavy rain will impact portions of the northern Plains and Upper Midwest. A stalled front will produce another round of heavy rain, thunderstorms and flooding to the Mid-Atlantic. Excessive heat continues in the southern Plains to the Southwest, and fire weather threats remain critical from the Great Basin to north-central Rockies. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

82°F

28°C

Humidity 8%
Wind Speed W 14 G 22 mph
Barometer 30.35 in
Dewpoint 15°F (-9°C)
Visibility NA
Heat Index80°F (27°C)
Last update 13 Aug 2:53 pm MDT
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Widespread haze between 7pm and 8pm. Areas of smoke after 8pm. Mostly clear, with a low around 42. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph.

    Haze and
    Breezy then
    Areas Smoke

    Low: 42 °F

  • Friday

    Friday: Areas of smoke before noon. Sunny, with a high near 63. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Areas Smoke
    then Sunny

    High: 63 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 41. Northwest wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 16 mph.

    Mostly Clear

    Low: 41 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 59. Breezy, with a west wind 11 to 16 mph, with gusts as high as 29 mph.

    Sunny then
    Slight Chance
    T-storms and
    Breezy

    High: 59 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 41. North northwest wind 9 to 14 mph becoming west southwest in the evening. Winds could gust as high as 25 mph.

    Mostly Clear

    Low: 41 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 59.

    Sunny then
    Chance
    T-storms

    High: 59 °F

  • Sunday
    Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 41.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 41 °F

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Sunny, with a high near 58.

    Sunny then
    Chance
    T-storms

    High: 58 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 42.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 42 °F

Detailed Forecast

Tonight
Widespread haze between 7pm and 8pm. Areas of smoke after 8pm. Mostly clear, with a low around 42. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph.
Friday
Areas of smoke before noon. Sunny, with a high near 63. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 41. Northwest wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 16 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 59. Breezy, with a west wind 11 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 41. North northwest wind 9 to 14 mph becoming west southwest in the evening. Winds could gust as high as 25 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 59.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 41.
Monday
A chance of showers and thunderstorms after noon. Sunny, with a high near 58.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57. Breezy.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 55. Breezy.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 55. Breezy.
Click Map For Forecast
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
2:47 pm MDT Aug 13, 2020
3pm MDT Aug 13, 2020-6pm MDT Aug 20, 2020
 
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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