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Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Overcast
51°F
11°C
| Humidity | 78% |
| Wind Speed | S 7 mph |
| Barometer | 30.40 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 9 Jul 3:35 am MDT |
Extended Forecast for
Saint Marys Glacier CO
Overnight

Low: 49 °F
Mostly Cloudy
Thursday
High: 65 °F
Mostly Sunny
then Chance
T-storms and
BreezyThursday Night
Low: 45 °F
Slight Chance
T-storms then
Mostly ClearFriday
High: 64 °F
Sunny then
Chance
T-stormsFriday Night

Low: 45 °F
Mostly Clear
Saturday

High: 69 °F
Sunny
Saturday Night

Low: 48 °F
Mostly Clear
Sunday
High: 68 °F
Sunny then
Sunny and
BreezySunday Night
Low: 48 °F
Mostly Clear
and Breezy
then Mostly
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a steady temperature around 49. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly sunny, with a high near 65. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 45. West northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 64. West northwest wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 45. North wind 5 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 68. Breezy.
Sunday Night
Mostly clear, with a low around 48. Breezy.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 72. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Marys Glacier CO
39.82°N 105.63°W (Elev. 10735 ft)
39.82°N 105.63°W (Elev. 10735 ft)
12:46 am MDT Jul 9, 2026
3am MDT Jul 9, 2026-6pm MDT Jul 15, 2026


