National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

61°F

16°C

Humidity 17%
Wind Speed SE 6 mph
Barometer 30.41 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 5 Aug 10:15 pm MDT
Extended Forecast for

2 Miles NW Saint Marys Glacier CO

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 43. West wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 43 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 5pm. Sunny, with a high near 68. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 68 °F

    Patchy Smoke
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Breezy, with a west wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 72. West southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. North northwest wind 7 to 14 mph becoming southwest in the evening. Winds could gust as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 43. West wind 7 to 10 mph, with gusts as high as 16 mph.
Thursday
Patchy smoke before 5pm. Sunny, with a high near 68. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 45. Breezy, with a west wind 10 to 15 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 72. West southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 49. North northwest wind 7 to 14 mph becoming southwest in the evening. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 66.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Saint Marys Glacier CO
 39.87°N 105.66°W (Elev. 10620 ft)
Last Update:
12:46 pm MDT Aug 5, 2026
Forecast Valid:
10pm MDT Aug 5, 2026-6pm MDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation