Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

74°F

23°C

Humidity	23%
Wind Speed	SW 10 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	03 Sep 12:53 PM MDT

More Information:

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

Extended Forecast for

Montana City MT

This Afternoon
High: 73 °F
Mostly Sunny
Tonight
Low: 46 °F
Decreasing
Clouds
Friday
High: 77 °F
Increasing
Clouds
Friday Night
Low: 46 °F
Partly Cloudy
then Chance
Showers
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 76 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 50 °F
Showers
Labor Day
High: 69 °F
Showers

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 73. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

Cloudy, then gradually becoming partly cloudy, with a low around 46. South southwest wind 5 to 7 mph becoming calm in the evening.

Friday

Increasing clouds, with a high near 77. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Friday Night

A chance of showers before 1am, then a chance of showers after 5am. Mostly cloudy, with a low around 46. West wind 5 to 7 mph. Chance of precipitation is 40%.

Saturday

Mostly sunny, with a high near 76. North wind 3 to 8 mph.

Saturday Night

Partly cloudy, with a low around 47. North northwest wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.

Sunday Night

Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 50. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

Labor Day

Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69.

Monday Night

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

Tuesday

Sunny, with a high near 70.

Tuesday Night

Partly cloudy, with a low around 44.

Wednesday

Mostly sunny, with a high near 73.