Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Partly Cloudy

35°F

2°C

Humidity	67%
Wind Speed	S 3 mph
Barometer	29.87 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	27 Dec 5:15 am MST

More Information:

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

Extended Forecast for

3 Miles NW Guanella Pass CO

Winter Weather Advisory December 27, 11:00am until December 28, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 17 °F
Chance Snow
and Windy
Saturday
High: 24 °F
Snow Likely
and Patchy
Blowing Snow
Saturday Night
Low: 2 °F
Snow and
Breezy
Sunday
High: 7 °F
Snow and
Patchy
Blowing Snow
then Chance
Snow and
Windy
Sunday Night
Low: -2 °F
Mostly Clear
and Breezy
Monday
High: 20 °F
Sunny and
Breezy then
Sunny
Monday Night
Low: 8 °F
Mostly Clear
and Breezy
Tuesday
High: 28 °F
Sunny and
Breezy then
Sunny
Tuesday Night
Low: 14 °F
Mostly Clear
and Breezy

Detailed Forecast

Overnight

A 40 percent chance of snow. Mostly cloudy, with a low around 17. Windy, with a west southwest wind around 28 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.

Saturday

Snow likely, mainly after 2pm. Patchy blowing snow after 11am. Mostly cloudy, with a high near 24. Wind chill values as low as zero. Windy, with a west southwest wind 22 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday Night

Snow. Low around 2. Wind chill values as low as -12. Breezy, with a west wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Sunday

Snow, mainly before 11am. Patchy blowing snow before 11am. High near 7. Wind chill values as low as -19. Windy, with a west northwest wind 22 to 26 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 -2. Breezy, with a west wind 18 to 21 mph, with gusts as high as 31 mph.

Monday

Sunny, with a high near 20. Breezy.

Monday Night

Mostly clear, with a low around 8. Breezy.

Tuesday

Sunny, with a high near 28. Breezy.

Tuesday Night

Mostly clear, with a low around 14. Breezy.

Wednesday

Mostly sunny, with a high near 28. Breezy.