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

71°F

22°C

Humidity 35%
Wind Speed SE 3 mph
Barometer 30.36 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 14 Jul 7:35 pm MDT
Extended Forecast for

2 Miles SSW Saint Marys Glacier CO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 50. Breezy, with a south southwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. Breezy, with a west northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny and
    Breezy then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. West wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 63. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 63 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. Northwest wind around 10 mph becoming south in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

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

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 50. Breezy, with a south southwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. Breezy, with a west northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. West wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 63. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. Northwest wind around 10 mph becoming south in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Breezy.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.
Friday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Saturday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 61.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 60.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48. Breezy.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Saint Marys Glacier CO
 39.82°N 105.66°W (Elev. 10981 ft)
Last Update:
3:23 pm MDT Jul 14, 2025
Forecast Valid:
7pm MDT Jul 14, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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