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.

Partly Cloudy

81°F

27°C

Humidity 15%
Wind Speed SW 15 G 31 mph
Barometer 30.49 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Aug 5:15 pm MDT
Extended Forecast for

Saint Marys Glacier CO

Fire Weather Watch August 8, 12:00pm until August 8, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Patchy smoke before noon, then patchy smoke after 3pm. Mostly sunny, with a high near 71. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 71 °F

    Patchy Smoke
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 69. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.

    High: 69 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Breezy, with a west wind 7 to 17 mph, with gusts as high as 31 mph.

    Low: 47 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday
Patchy smoke before noon, then patchy smoke after 3pm. Mostly sunny, with a high near 71. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 53. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 69. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 47. Breezy, with a west wind 7 to 17 mph, with gusts as high as 31 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Breezy.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
2:19 pm MDT Aug 6, 2025
Forecast Valid:
5pm MDT Aug 6, 2025-6pm MDT Aug 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation