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.

Mostly Cloudy

39°F

4°C

Humidity	51%
Wind Speed	W 17 G 30 mph
Barometer	29.82 in
Dewpoint	22°F (-6°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	27 Dec 3:35 pm MST

More Information:

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

Extended Forecast for

4 Miles WNW LONG'S PEAK 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
This Afternoon
High: 24 °F
Snow Likely
and Areas
Blowing Snow
Tonight
Low: -2 °F
Heavy Snow
and Areas
Blowing Snow
Sunday
High: 7 °F
Snow and
Blowing Snow
then Slight
Chance Snow
and Windy
Sunday Night
Low: -3 °F
Mostly Clear
and Breezy
Monday
High: 16 °F
Sunny and
Breezy then
Sunny
Monday Night
Low: 7 °F
Mostly Clear
and Breezy
Tuesday
High: 24 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 12 °F
Mostly Clear
and Breezy

Detailed Forecast

This Afternoon

Snow likely. Areas of blowing snow. Mostly cloudy, with a high near 24. Breezy, with a west wind 21 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Snow. The snow could be heavy at times. Areas of blowing snow. Low around -2. Wind chill values as low as -20. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Sunday

Snow, mainly before 11am. Widespread blowing snow, mainly between 10am and 11am. High near 7. Wind chill values as low as -25. Windy, with a west wind 18 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Sunday Night

Mostly clear, with a low around -3. Wind chill values as low as -24. Breezy, with a west southwest wind around 18 mph, with gusts as high as 29 mph.

Monday

Sunny, with a high near 16. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph.

Monday Night

Mostly clear, with a low around 7. Breezy.

Tuesday

Sunny, with a high near 24. Breezy.

Tuesday Night

Mostly clear, with a low around 12. Breezy.

Wednesday

Sunny, with a high near 26. Breezy.