Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Granby-Grand County Airport (KGNB)

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

Light Snow

28°F

-2°C

Humidity	83%
Wind Speed	Calm
Barometer	29.87 in
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Last update	27 Dec 9:35 pm MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Georgetown CO

Tonight
Low: 8 °F
Snow
Sunday
High: 20 °F
Snow and
Patchy
Blowing Snow
then Chance
Snow and
Blustery
Sunday Night
Low: 14 °F
Mostly Clear
Monday
High: 40 °F
Sunny
Monday Night
Low: 21 °F
Clear
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 50 °F
Sunny
Wednesday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow. Low around 8. Wind chill values as low as zero. West wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

Sunday

Snow, mainly before 11am. Patchy blowing snow between 10am and 11am. High near 20. Wind chill values as low as -7. Blustery, with a west northwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Sunday Night

Mostly clear, with a steady temperature around 14. Wind chill values as low as -1. West wind 8 to 11 mph, with gusts as high as 26 mph.

Monday

Sunny, with a high near 40. West wind around 9 mph, with gusts as high as 21 mph.

Monday Night

Clear, with a low around 21. West wind around 10 mph, with gusts as high as 24 mph.

Tuesday

Sunny, with a high near 48.

Tuesday Night

Mostly clear, with a low around 25.

Wednesday

Sunny, with a high near 50.