Winter Storm Shifting From the Central U.S. to the Northeast; Severe Thunderstorms in the South

A winter storm will track to the Lower Mississippi River Valley by Monday and across the central Appalachians Monday night to southern New England by Tuesday. A swath of snow, sleet and freezing rain will spread from the Central Plains east into southern New England by Monday and Tuesday. Severe thunderstorms with damaging winds and tornadoes are possible over the northern Gulf Coast on Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

-16°C

4°F

Humidity 87%
Wind Speed Calm
Barometer 29.86 in
Dewpoint -17°C (1°F)
Visibility 16 km
Last update 15 Dec 11:12 pm MST
Extended Forecast for

3 Miles SW Arapahoe Peak CO

  • Tonight

    Tonight: A 20 percent chance of snow after 1am.  Patchy blowing snow after 4am. Cloudy, with a low around -22. Wind chill values as low as -31. West northwest wind 11 to 16 km/h, with gusts as high as 65 km/h.

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

    Low: -22 °C

  • Monday

    Monday: A 30 percent chance of snow, mainly between 10am and noon.  Widespread blowing snow, mainly after 8am. Mostly cloudy and cold, with a high near -19. Wind chill values as low as -35. Blustery, with a west northwest wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 95 km/h.  New snow accumulation of less than a half centimeter possible.

    Chance Snow
    and Blowing
    Snow

    High: -19 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of snow showers before 11pm.  Widespread blowing snow. Partly cloudy, with a low around -23. Wind chill values as low as -40. Windy, with a west wind 47 to 50 km/h, with gusts as high as 85 km/h.

    Slight Chance
    Snow Showers
    and Blowing
    Snow

    Low: -23 °C

  • Tuesday

    Tuesday: Sunny and cold, with a high near -15. Wind chill values as low as -38. Windy, with a west wind 40 to 48 km/h, with gusts as high as 75 km/h.

    Cold and
    Windy

    High: -15 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around -18. Windy, with a west wind 35 to 40 km/h, with gusts as high as 65 km/h.

    Mostly Clear
    and Windy

    Low: -18 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near -4. Breezy.

    Mostly Sunny
    and Breezy

    High: -4 °C

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around -16. Windy.

    Mostly Cloudy
    and Windy

    Low: -16 °C

  • Thursday

    Thursday: Mostly sunny, with a high near -7. Very windy.

    Mostly Sunny
    and Very
    Windy

    High: -7 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -16. Very windy.

    Partly Cloudy
    and Very
    Windy

    Low: -16 °C

Detailed Forecast

Tonight
A 20 percent chance of snow after 1am. Patchy blowing snow after 4am. Cloudy, with a low around -22. Wind chill values as low as -31. West northwest wind 11 to 16 km/h, with gusts as high as 65 km/h.
Monday
A 30 percent chance of snow, mainly between 10am and noon. Widespread blowing snow, mainly after 8am. Mostly cloudy and cold, with a high near -19. Wind chill values as low as -35. Blustery, with a west northwest wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 95 km/h. New snow accumulation of less than a half centimeter possible.
Monday Night
A 20 percent chance of snow showers before 11pm. Widespread blowing snow. Partly cloudy, with a low around -23. Wind chill values as low as -40. Windy, with a west wind 47 to 50 km/h, with gusts as high as 85 km/h.
Tuesday
Sunny and cold, with a high near -15. Wind chill values as low as -38. Windy, with a west wind 40 to 48 km/h, with gusts as high as 75 km/h.
Tuesday Night
Mostly clear, with a low around -18. Windy, with a west wind 35 to 40 km/h, with gusts as high as 65 km/h.
Wednesday
Mostly sunny, with a high near -4. Breezy.
Wednesday Night
Mostly cloudy, with a low around -16. Windy.
Thursday
Mostly sunny, with a high near -7. Very windy.
Thursday Night
Partly cloudy, with a low around -16. Very windy.
Friday
Mostly sunny, with a high near -5. Very windy.
Friday Night
Partly cloudy, with a low around -14. Windy.
Saturday
Mostly sunny, with a high near -2. Windy.
Saturday Night
Partly cloudy, with a low around -11. Windy.
Sunday
Mostly sunny, with a high near -2. Windy.
Click Map For Forecast
Point Forecast:
3 Miles SW Arapahoe Peak CO
 40°N 105.68°W (Elev. 3718 m)
9:00 pm MST Dec 15, 2019
11pm MST Dec 15, 2019-6pm MST Dec 22, 2019
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database