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

37°F

3°C

Humidity	55%
Wind Speed	W 15 G 22 mph
Barometer	29.89 in
Dewpoint	22°F (-6°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	27 Dec 7:15 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 27, 11:00am until December 28, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 19 °F
Snow Likely
and Patchy
Blowing Snow
Tonight
Low: -6 °F
Heavy Snow
and Patchy
Blowing Snow
Sunday
High: -2 °F
Snow and
Areas Blowing
Snow then
Chance Snow
and Windy
Sunday Night
Low: -4 °F
Mostly Clear
and Breezy
Monday
High: 12 °F
Sunny and
Breezy
Monday Night
Low: 5 °F
Mostly Clear
and Windy
Tuesday
High: 20 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 10 °F
Mostly Clear
and Windy
Wednesday
High: 21 °F
Mostly Sunny
and Breezy

Detailed Forecast

Today

Snow likely, mainly after 2pm. Patchy blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -5. Windy, with a west wind 23 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

Tonight

Snow. The snow could be heavy at times. Patchy blowing snow. Low around -6. Wind chill values as low as -23. Blustery, with a west northwest wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Sunday

Snow, mainly before 11am. Areas of blowing snow before 11am. High near -2. Wind chill values as low as -34. Windy, with a west northwest wind 24 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Mostly clear, with a low around -4. Wind chill values as low as -29. Breezy, with a west wind 22 to 24 mph, with gusts as high as 32 mph.

Monday

Sunny, with a high near 12. Breezy, with a west wind 11 to 20 mph, with gusts as high as 26 mph.

Monday Night

Mostly clear, with a low around 5. Windy.

Tuesday

Sunny, with a high near 20. Breezy.

Tuesday Night

Mostly clear, with a low around 10. Windy.

Wednesday

Mostly sunny, with a high near 21. Breezy.