Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

13°F

-11°C

Humidity	63%
Wind Speed	W 9 mph
Barometer	29.69 in
Dewpoint	2°F (-17°C)
Visibility	10.00 mi
Wind Chill	1°F (-17°C)
Last update	19 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

Winter Weather Advisory February 19, 04:42am until February 19, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 19, 04:42am until February 19, 05:00am
NOW until 5:00am Thu
Winter Weather Advisory
Overnight
Low: -6 °F
Snow and
Blowing Snow
Thursday
High: -1 °F
Chance Snow
and Blowing
Snow
Thursday Night
Low: -10 °F
Chance Snow
and Breezy
Friday
High: 5 °F
Snow and
Breezy
Friday Night
Low: -7 °F
Snow and
Breezy
Saturday
High: 8 °F
Breezy.
Chance Snow
then Sunny
Saturday Night
Low: -3 °F
Mostly Clear
and Breezy
Sunday
High: 19 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow. Widespread blowing snow. Low around -6. Wind chill values as low as -34. Windy, with a west northwest wind around 28 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

Thursday

A 50 percent chance of snow. Widespread blowing snow. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -34. Windy, with a west wind 24 to 28 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

Thursday Night

A 40 percent chance of snow, mainly after 11pm. Increasing clouds, with a low around -10. Wind chill values as low as -28. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

Friday

Snow. High near 5. Wind chill values as low as -21. Breezy, with a south southwest wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around -7. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

Saturday

A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 8. Breezy.

Saturday Night

Mostly clear, with a low around -3. Breezy.

Sunday

Mostly sunny, with a high near 19.

Sunday Night

Mostly clear, with a low around 6. Blustery.

Monday

Partly sunny, with a high near 25. Breezy.