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

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

79°F

26°C

Humidity	23%
Wind Speed	W 7 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	23 Sep 05:53 PM MDT

More Information:

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

Extended Forecast for

7 Miles NNW Helena MT

Tonight
Low: 47 °F
Partly Cloudy
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 50 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 44 °F
Slight Chance
T-storms and
Breezy then
Partly Cloudy
Saturday
High: 66 °F
Sunny
Saturday Night
Low: 41 °F
Partly Cloudy
Sunday
High: 66 °F
Partly Sunny
Sunday Night
Low: 43 °F
Chance Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening.

Thursday

Sunny, with a high near 81. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

Thursday Night

Mostly clear, with a low around 50. South southeast wind 3 to 8 mph. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 84. Light south southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 31 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph.

Saturday

Sunny, with a high near 66. West wind 5 to 14 mph, with gusts as high as 24 mph.

Saturday Night

Partly cloudy, with a low around 41. West northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.

Sunday

Partly sunny, with a high near 66. Light and variable wind.

Sunday Night

A chance of rain, mainly before midnight. Mostly cloudy, with a low around 43.

Monday

Mostly sunny, with a high near 64.

Monday Night

Partly cloudy, with a low around 41.