Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

58°F

14°C

Humidity	53%
Wind Speed	SE 5 mph
Barometer	30.40 in
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	18 Jul 10:15 pm MDT

More Information:

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

Extended Forecast for

4 Miles W Saint Marys Glacier CO

Tonight
Low: 49 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 57 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 42 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 57 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 45 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 56 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 45 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 56 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 45 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers before 11pm. Partly cloudy, with a steady temperature around 49. West wind 8 to 10 mph, with gusts as high as 16 mph.

Saturday

A chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 57. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Saturday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57. West northwest wind 9 to 11 mph, with gusts as high as 22 mph.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. West wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.

Tuesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.

Tuesday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.

Wednesday

Showers and thunderstorms likely after noon. Partly sunny, with a high near 54.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.