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.

Overcast

1°F

-17°C

Humidity 83%
Wind Speed Calm
Barometer 29.92 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 17 Jan 9:55 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

Winter Weather Advisory January 17, 04:00pm until January 18, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow likely, mainly after 4pm. The snow could be heavy at times. Increasing clouds, with a high near 12. Wind chill values as low as -14. Windy, with a west northwest wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Chance Snow
    and Windy
    then Heavy
    Snow and
    Blustery

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around -11. Wind chill values as low as -24. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: -11 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. Temperature falling to around -12 by 4pm. Wind chill values as low as -35. Blustery, with a west northwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: -6 °F⇓

    Snow and
    Blustery

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around -18. Wind chill values as low as -43. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -18 °F

    Snow Likely
    then Chance
    Snow and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near -6. Breezy, with a west wind 14 to 18 mph, with gusts as high as 31 mph.

    High: -6 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: Snow. Low around -16. Chance of precipitation is 90%.

    Low: -16 °F

    Snow

  • M.L.King Day

    M.L.King Day: Snow. High near -11. Breezy. Chance of precipitation is 80%.

    High: -11 °F

    Snow and
    Breezy

  • Monday Night

    Monday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around -23. Windy.

    Low: -23 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny and cold, with a high near 3. Windy.

    High: 3 °F

    Cold and
    Windy

Detailed Forecast

Today
Snow likely, mainly after 4pm. The snow could be heavy at times. Increasing clouds, with a high near 12. Wind chill values as low as -14. Windy, with a west northwest wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around -11. Wind chill values as low as -24. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. Temperature falling to around -12 by 4pm. Wind chill values as low as -35. Blustery, with a west northwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around -18. Wind chill values as low as -43. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near -6. Breezy, with a west wind 14 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Snow. Low around -16. Chance of precipitation is 90%.
M.L.King Day
Snow. High near -11. Breezy. Chance of precipitation is 80%.
Monday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around -23. Windy.
Tuesday
Sunny and cold, with a high near 3. Windy.
Tuesday Night
Partly cloudy, with a low around -1. Windy.
Wednesday
A chance of snow. Partly sunny and cold, with a high near 7. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around -7. Blustery.
Thursday
A chance of snow. Partly sunny and cold, with a high near 1. Breezy.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:37 am MST Jan 17, 2025
Forecast Valid:
10am MST Jan 17, 2025-6pm MST Jan 23, 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