Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

49°F

9°C

Humidity	73%
Wind Speed	N 0 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	25 Sep 06:53 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Today
High: 84 °F
Increasing
Clouds
Tonight
Low: 43 °F
Partly Cloudy
Saturday
High: 65 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Mostly Cloudy
Sunday
High: 66 °F
Partly Sunny
Sunday Night
Low: 43 °F
Chance Rain
then Mostly
Cloudy
Monday
High: 68 °F
Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 68 °F
Mostly Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 84. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.

Tonight

Partly cloudy, with a low around 43. West southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 40 mph.

Saturday

Mostly sunny, with a high near 65. West wind 5 to 13 mph, with gusts as high as 24 mph.

Saturday Night

Mostly cloudy, with a low around 39. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.

Sunday

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

Sunday Night

A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43. West southwest wind around 5 mph becoming calm after midnight.

Monday

Sunny, with a high near 68. Calm wind becoming west northwest 5 to 8 mph in the afternoon.