Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

53°F

12°C

Humidity	64%
Wind Speed	Calm
Barometer	30.43 in
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	23 Sep 10:55 pm MDT

More Information:

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

Extended Forecast for

2 Miles SSW Saint Marys Glacier CO

Tonight
Low: 42 °F
Showers
Likely
Thursday
High: 40 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 40 °F
Showers
Likely
Friday
High: 46 °F
Slight Chance
Rain/Snow
then Chance
T-storms
Friday Night
Low: 38 °F
Partly Cloudy
and Windy
Saturday
High: 51 °F
Sunny and
Breezy then
Sunny
Saturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 53 °F
Mostly Sunny
Sunday Night
Low: 40 °F
Mostly Cloudy

Detailed Forecast

Tonight

Showers likely. Cloudy, with a steady temperature around 42. West northwest wind 5 to 7 mph becoming east northeast after midnight. Chance of precipitation is 70%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 40. East northeast wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 40. East wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

Friday

A slight chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 46. West northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday Night

Partly cloudy, with a low around 38. Windy, with a west wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 43 mph.

Saturday

Sunny, with a high near 51. Breezy.

Saturday Night

Partly cloudy, with a low around 39.

Sunday

Mostly sunny, with a high near 53.

Sunday Night

Mostly cloudy, with a low around 40.

Monday

A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 46.

Monday Night

Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 33.