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.

Overcast

24°F

-4°C

Humidity	81%
Wind Speed	E 3 mph
Barometer	29.86 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	28 Dec 1:15 am MST

More Information:

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

Extended Forecast for

Granby CO

Overnight
Low: 10 °F
Snow
Sunday
High: 18 °F
Breezy. Snow
Likely then
Slight Chance
Snow
Sunday Night
Low: -2 °F
Mostly Clear
Monday
High: 31 °F
Sunny
Monday Night
Low: 5 °F
Clear
Tuesday
High: 39 °F
Sunny
Tuesday Night
Low: 10 °F
Mostly Clear
Wednesday
High: 42 °F
Sunny
Wednesday Night
Low: 14 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow. Low around 10. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

Sunday

Snow likely, mainly before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 18. Wind chill values as low as -3. Breezy, with a west wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Mostly clear, with a low around -2. West southwest wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 31. Wind chill values as low as -2. Light west wind.

Monday Night

Clear, with a low around 5. Calm wind.

Tuesday

Sunny, with a high near 39.

Tuesday Night

Mostly clear, with a low around 10.

Wednesday

Sunny, with a high near 42.