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.

Overcast

22°F

-6°C

Humidity	69%
Wind Speed	W 14 G 18 mph
Barometer	29.91 in
Dewpoint	13°F (-11°C)
Visibility	10.00 mi
Wind Chill	9°F (-13°C)
Last update	28 Dec 2:35 am MST

More Information:

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

Extended Forecast for

3 Miles ENE Berthoud Pass CO

Winter Weather Advisory December 28, 02:55am until December 28, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 28, 02:55am until December 28, 11:00am
NOW until 11:00am Sun
Winter Weather Advisory
Overnight
Low: -6 °F
Heavy Snow
and Blowing
Snow
Sunday
High: 6 °F
Snow and
Blowing Snow
then Chance
Snow and
Windy
Sunday Night
Low: -3 °F
Mostly Clear
and Blustery
Monday
High: 13 °F
Sunny and
Breezy
Monday Night
Low: 7 °F
Mostly Clear
and Breezy
Tuesday
High: 20 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 12 °F
Mostly Clear
and Breezy
Wednesday
High: 23 °F
Sunny and
Breezy

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Widespread blowing snow. Low around -6. Wind chill values as low as -27. Blustery, with a west northwest wind around 24 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Sunday

Snow, mainly before 11am. Widespread blowing snow before 11am. High near 6. Wind chill values as low as -33. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Mostly clear, with a low around -3. Wind chill values as low as -26. Blustery, with a west wind 21 to 24 mph, with gusts as high as 32 mph.

Monday

Sunny, with a high near 13. Wind chill values as low as -26. Breezy, with a west wind 11 to 20 mph, with gusts as high as 26 mph.

Monday Night

Mostly clear, with a low around 7. Breezy, with a west wind 20 to 24 mph, with gusts as high as 31 mph.

Tuesday

Sunny, with a high near 20. Breezy.

Tuesday Night

Mostly clear, with a low around 12. Breezy.

Wednesday

Sunny, with a high near 23. Breezy.