Heat, Severe and Fire Weather

Excessive heat warnings persist across the Desert Southwest, while the heat and humidity lingers along the East Coast. An extensive zone of strong to severe thunderstorms with damaging winds and locally heavy rain are expected along a strong cold front from New England to the south-central Plains. Finally, elevated fire weather threats/red flag warnings are likely across the Inter-mountain West. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

53°F

12°C

Humidity 70%
Wind Speed N 6 mph
Barometer 30.31 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 Aug 11:29 pm MDT
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 7 to 9 mph becoming west southwest after midnight.

    Mostly Clear

    Low: 38 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Increasing clouds, with a high near 54. Breezy, with a west wind 9 to 16 mph, with gusts as high as 34 mph.

    Breezy.
    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 54 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 17 mph, with gusts as high as 22 mph.

    Breezy.
    Chance
    Showers then
    Partly Cloudy

    Low: 39 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 54. Breezy, with a west wind 21 to 24 mph becoming northeast in the afternoon.

    Breezy.
    Mostly Sunny
    then Chance
    Showers

    High: 54 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 39. Breezy, with an east wind 17 to 24 mph becoming west southwest after midnight.

    Partly Cloudy
    and Breezy

    Low: 39 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Very windy.

    Mostly Sunny
    and Very
    Windy

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 41. Windy.

    Partly Cloudy
    and Windy

    Low: 41 °F

  • Sunday

    Sunday: Sunny, with a high near 56. Very windy.

    Sunny and
    Very Windy

    High: 56 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 40. Very windy.

    Mostly Clear
    and Very
    Windy

    Low: 40 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South wind 7 to 9 mph becoming west southwest after midnight.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 54. Breezy, with a west wind 9 to 16 mph, with gusts as high as 34 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 17 mph, with gusts as high as 22 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54. Breezy, with a west wind 21 to 24 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 39. Breezy, with an east wind 17 to 24 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 55. Very windy.
Saturday Night
Partly cloudy, with a low around 41. Windy.
Sunday
Sunny, with a high near 56. Very windy.
Sunday Night
Mostly clear, with a low around 40. Very windy.
Monday
Sunny, with a high near 56. Windy.
Monday Night
Mostly clear, with a low around 39. Windy.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 55. Windy.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 37. Breezy.
Wednesday
A chance of showers. Mostly sunny, with a high near 47. Breezy.
Click Map For Forecast
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
8:35 pm MDT Aug 21, 2019
11pm MDT Aug 21, 2019-6pm MDT Aug 28, 2019
 
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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