Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

10°F

-12°C

Humidity 75%
Wind Speed Calm
Barometer 29.76 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 18 Feb 10:10 pm MST
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: A 50 percent chance of snow.  Cloudy, with a low around -1. Wind chill values as low as -8. Light east wind.  Total nighttime snow accumulation of less than a half inch possible.

    Chance Snow

    Low: -1 °F

  • Tuesday

    Tuesday: Snow likely, mainly after 10am.  Mostly cloudy, with a high near 24. Wind chill values as low as -9. Light and variable wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely

    High: 24 °F

  • Tuesday
    Night

    Tuesday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around -4. Wind chill values as low as -19. West southwest wind 5 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Snow Showers
    Likely then
    Chance Snow
    Showers

    Low: -4 °F

  • Wednesday

    Wednesday: A 20 percent chance of snow showers.  Partly sunny, with a high near 20. Wind chill values as low as -19. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Slight Chance
    Snow Showers

    High: 20 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around -3. West southwest wind 5 to 8 mph.

    Mostly Cloudy

    Low: -3 °F

  • Thursday

    Thursday: A 30 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 27.

    Chance Snow
    Showers

    High: 27 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 8.

    Chance Snow
    Showers

    Low: 8 °F

  • Friday

    Friday: A chance of snow showers.  Mostly cloudy, with a high near 28.

    Chance Snow
    Showers

    High: 28 °F

  • Friday
    Night

    Friday Night: A chance of snow showers.  Mostly cloudy, with a low around 10.

    Chance Snow
    Showers

    Low: 10 °F

Detailed Forecast

Tonight
A 50 percent chance of snow. Cloudy, with a low around -1. Wind chill values as low as -8. Light east wind. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 24. Wind chill values as low as -9. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around -4. Wind chill values as low as -19. West southwest wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow showers. Partly sunny, with a high near 20. Wind chill values as low as -19. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around -3. West southwest wind 5 to 8 mph.
Thursday
A 30 percent chance of snow showers after 11am. Mostly cloudy, with a high near 27.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 8.
Friday
A chance of snow showers. Mostly cloudy, with a high near 28.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 10.
Saturday
A slight chance of snow showers before 11am. Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 30.
Click Map For Forecast
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
6:47 pm MST Feb 18, 2019
10pm MST Feb 18, 2019-6pm MST Feb 25, 2019
 
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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