Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. 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

1°F

-17°C

Humidity	80%
Wind Speed	SE 6 mph
Barometer	29.64 in
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	-11°F (-24°C)
Last update	20 Feb 4:35 am MST

More Information:

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

Extended Forecast for

3 Miles W Saint Marys Glacier CO

Overnight
Low: -2 °F
Chance Snow
Friday
High: 6 °F
Snow and
Blustery
Friday Night
Low: -8 °F
Blustery.
Snow then
Chance Snow
Saturday
High: 7 °F
Slight Chance
Snow and
Breezy
Saturday Night
Low: -2 °F
Mostly Clear
and Breezy
Sunday
High: 20 °F
Sunny and
Breezy then
Sunny
Sunday Night
Low: 6 °F
Partly Cloudy
and Breezy
Monday
High: 25 °F
Partly Sunny
and Breezy
Monday Night
Low: 13 °F
Mostly Cloudy
and Breezy

Detailed Forecast

Overnight

A 40 percent chance of snow. Mostly cloudy, with a steady temperature around -2. Wind chill values as low as -17. Southwest wind around 10 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than a half inch possible.

Friday

Snow, mainly after 8am. High near 6. Wind chill values as low as -19. Blustery, with a south wind 9 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 11pm. Low around -8. Wind chill values as low as -33. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 20 percent chance of snow. Mostly sunny and cold, with a high near 7. Wind chill values as low as -32. Breezy, with a west wind 17 to 23 mph, with gusts as high as 38 mph.

Saturday Night

Mostly clear, with a low around -2. Breezy, with a west southwest wind around 17 mph, with gusts as high as 28 mph.

Sunday

Sunny, with a high near 20. Breezy.

Sunday Night

Partly cloudy, with a low around 6. Breezy.

Monday

Partly sunny, with a high near 25. Breezy.

Monday Night

Mostly cloudy, with a low around 13. Breezy.

Tuesday

Partly sunny, with a high near 25. Very windy.