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 | 37% |
| Wind Speed | Calm |
| Barometer | 30.33 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 10:55 am MDT |
Extended Forecast for
3 Miles ENE Saint Marys Glacier CO
Fire Weather Watch August 5, 12:00pm until August 5, 07:00pm
Today

High: 67 °F
Chance
T-stormsTonight
Low: 45 °F
Slight Chance
T-storms then
Patchy SmokeWednesday

High: 70 °F
Sunny
Wednesday Night

Low: 45 °F
Mostly Clear
Thursday

High: 72 °F
Sunny
Thursday Night

Low: 48 °F
Clear
Friday

High: 74 °F
Sunny
Friday Night

Low: 50 °F
Mostly Clear
Saturday

High: 74 °F
Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after noon. Patchy smoke. Partly sunny, with a high near 67. South southwest wind around 7 mph becoming southeast in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy smoke before 2am. Partly cloudy, with a low around 45. Southeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 70. West northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 45. Northwest wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 72. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ENE Saint Marys Glacier CO
39.85°N 105.61°W (Elev. 10203 ft)
39.85°N 105.61°W (Elev. 10203 ft)
1:02 am MDT Aug 4, 2026
11am MDT Aug 4, 2026-6pm MDT Aug 10, 2026



