Wintry Weather from the Plains to the Northeast; Severe Storms Possible Along the Gulf Coast

A swath of wintry precipitation will affect many areas from the Central Plains to the Northeast through Tuesday, with locally heavy snowfall over interior New England. Farther south, strong to severe thunderstorms are expected for portions for Louisiana, Mississippi, and Alabama, where a few tornadoes are also possible. Unsettled weather will return to much of the Pacific Northwest on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

-2°F

-19°C

Humidity 87%
Wind Speed Calm
Barometer 30.04 in
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 16 Dec 7:12 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Today

    Today: A slight chance of snow showers between 9am and 4pm.  Widespread blowing snow. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -33. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 65 mph.  Chance of precipitation is 20%.

    Slight Chance
    Snow Showers
    and Blowing
    Snow

    High: -1 °F

  • Tonight

    Tonight: Widespread blowing snow. Partly cloudy, with a low around -11. Wind chill values as low as -42. Windy, with a west northwest wind 30 to 33 mph, with gusts as high as 65 mph.

    Blowing Snow
    and Windy

    Low: -11 °F

  • Tuesday

    Tuesday: Sunny and cold, with a high near 5. Wind chill values as low as -41. Very windy, with a west wind 34 to 38 mph, with gusts as high as 60 mph.

    Cold and Very
    Windy

    High: 5 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around -2. Wind chill values as low as -27. Windy, with a west wind around 31 mph.

    Clear and
    Windy

    Low: -2 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Windy, with a west wind 23 to 29 mph.

    Mostly Sunny
    and Windy

    High: 22 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 4. Windy.

    Mostly Cloudy
    and Windy

    Low: 4 °F

  • Thursday

    Thursday: Partly sunny, with a high near 15. Windy.

    Partly Sunny
    and Windy

    High: 15 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 2. Very windy.

    Partly Cloudy
    and Very
    Windy

    Low: 2 °F

  • Friday

    Friday: Mostly sunny, with a high near 19. Very windy.

    Mostly Sunny
    and Very
    Windy

    High: 19 °F

Detailed Forecast

Today
A slight chance of snow showers between 9am and 4pm. Widespread blowing snow. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -33. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 65 mph. Chance of precipitation is 20%.
Tonight
Widespread blowing snow. Partly cloudy, with a low around -11. Wind chill values as low as -42. Windy, with a west northwest wind 30 to 33 mph, with gusts as high as 65 mph.
Tuesday
Sunny and cold, with a high near 5. Wind chill values as low as -41. Very windy, with a west wind 34 to 38 mph, with gusts as high as 60 mph.
Tuesday Night
Clear, with a low around -2. Wind chill values as low as -27. Windy, with a west wind around 31 mph.
Wednesday
Mostly sunny, with a high near 22. Windy, with a west wind 23 to 29 mph.
Wednesday Night
Mostly cloudy, with a low around 4. Windy.
Thursday
Partly sunny, with a high near 15. Windy.
Thursday Night
Partly cloudy, with a low around 2. Very windy.
Friday
Mostly sunny, with a high near 19. Very windy.
Friday Night
Partly cloudy, with a low around 7. Very windy.
Saturday
Mostly sunny, with a high near 25. Windy.
Saturday Night
Partly cloudy, with a low around 10. Windy.
Sunday
Mostly sunny, with a high near 26. Windy.
Click Map For Forecast
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
4:30 am MST Dec 16, 2019
7am MST Dec 16, 2019-6pm MST Dec 22, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database