Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

29°F

-2°C

Humidity 42%
Wind Speed W 12 mph
Barometer 30.34 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 21 Feb 3:15 pm MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: Patchy blowing snow. Sunny and cold, with a high near 9. Wind chill values as low as -11. Blustery, with a west wind around 21 mph, with gusts as high as 33 mph.

    High: 9 °F

    Patchy
    Blowing Snow
    and Blustery

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values as low as -22. Breezy, with a west wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: -2 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as -17. Breezy, with a west wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 23 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Wind chill values as low as -10. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 7 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 28. Blustery, with a west wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 28 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Windy.

    Low: 14 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Very windy.

    High: 27 °F

    Partly Sunny
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 19. Windy.

    Low: 19 °F

    Snow Likely
    and Windy

  • Wednesday

    Wednesday: Snow.  Mostly cloudy, with a high near 22. Very windy.

    High: 22 °F

    Snow and Very
    Windy

Detailed Forecast

This Afternoon
Patchy blowing snow. Sunny and cold, with a high near 9. Wind chill values as low as -11. Blustery, with a west wind around 21 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around -2. Wind chill values as low as -22. Breezy, with a west wind 15 to 17 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as -17. Breezy, with a west wind 14 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 7. Wind chill values as low as -10. Breezy, with a west wind 15 to 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 28. Blustery, with a west wind 18 to 20 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a low around 14. Windy.
Tuesday
Partly sunny, with a high near 27. Very windy.
Tuesday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 19. Windy.
Wednesday
Snow. Mostly cloudy, with a high near 22. Very windy.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 10. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 19. Very windy.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 13. Windy.
Friday
A chance of snow. Mostly sunny, with a high near 23. Very windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
11:46 am MST Feb 21, 2026
3pm MST Feb 21, 2026-6pm MST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database