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

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

43°F

6°C

Humidity	35%
Wind Speed	SW 18 G 28 mph
Barometer	29.87 in
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	27 Dec 10:55 am MST

More Information:

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

Extended Forecast for

3 Miles SE Trail Ridge CO

Winter Weather Advisory until December 28, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 28, 11:00am
NOW until 11:00am Sun
Winter Weather Advisory
Today
High: 24 °F
Snow Likely
and Patchy
Blowing Snow
Tonight
Low: 2 °F
Snow and
Patchy
Blowing Snow
Sunday
High: 6 °F⇓
Snow and
Windy then
Slight Chance
Snow and
Blustery
Sunday Night
Low: -2 °F
Mostly Clear
and Breezy
Monday
High: 20 °F
Sunny and
Breezy then
Sunny
Monday Night
Low: 7 °F
Mostly Clear
and Breezy
Tuesday
High: 28 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 15 °F
Partly Cloudy
and Breezy

Detailed Forecast

Today

Snow likely. Patchy blowing snow. Cloudy, with a high near 24. Wind chill values as low as zero. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow. Patchy blowing snow. Low around 2. Wind chill values as low as -15. Windy, with a west northwest wind 21 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Sunday

Snow, mainly before 11am. Temperature falling to around 2 by 5pm. Wind chill values as low as -20. Windy, with a west wind 21 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Mostly clear, with a low around -2. Wind chill values as low as -24. Breezy, with a west wind around 22 mph, with gusts as high as 26 mph.

Monday

Sunny, with a high near 20. Breezy, with a west wind 9 to 18 mph, with gusts as high as 23 mph.

Monday Night

Mostly clear, with a low around 7. Breezy.

Tuesday

Sunny, with a high near 28. Breezy.

Tuesday Night

Partly cloudy, with a low around 15. Breezy.

Wednesday

Sunny, with a high near 28. Breezy.