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

44°F

7°C

Humidity	32%
Wind Speed	SW 18 G 26 mph
Barometer	29.80 in
Dewpoint	15°F (-9°C)
Visibility	10.00 mi
Wind Chill	36°F (2°C)
Last update	27 Dec 12:35 pm MST

More Information:

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

Extended Forecast for

4 Miles WNW Guanella Pass 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: 17 °F
Snow Likely
and Areas
Blowing Snow
Tonight
Low: -5 °F
Snow and
Patchy
Blowing Snow
Sunday
High: -1 °F
Snow and
Areas Blowing
Snow then
Chance Snow
and Windy
Sunday Night
Low: -5 °F
Mostly Clear
and Breezy
Monday
High: 12 °F
Sunny and
Breezy then
Sunny
Monday Night
Low: 4 °F
Mostly Clear
and Windy
Tuesday
High: 20 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 10 °F
Mostly Clear
and Windy

Detailed Forecast

This Afternoon

Snow likely, mainly after 2pm. Areas of blowing snow. Mostly cloudy, with a high near 17. Wind chill values as low as -7. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

Tonight

Snow. Patchy blowing snow. Low around -5. Wind chill values as low as -24. Breezy, with a west wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Sunday

Snow, mainly before 11am. Areas of blowing snow before 11am. High near -1. Wind chill values as low as -32. Windy, with a west northwest wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Mostly clear, with a low around -5. Wind chill values as low as -29. Breezy, with a west wind 22 to 24 mph, with gusts as high as 30 mph.

Monday

Sunny, with a high near 12. Breezy, with a west wind 11 to 20 mph, with gusts as high as 23 mph.

Monday Night

Mostly clear, with a low around 4. 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.