Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

89°F

32°C

Humidity	21%
Wind Speed	E 10 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	10 Jul 03:53 PM MDT

More Information:

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

Extended Forecast for

Montana City MT

Tonight
Low: 57 °F
Slight Chance
Showers then
Clear
Saturday
High: 98 °F
Hot
Saturday Night
Low: 61 °F
Increasing
Clouds
Sunday
High: 99 °F
Hot
Sunday Night
Low: 63 °F
Mostly Cloudy
Monday
High: 95 °F
Mostly Sunny
Monday Night
Low: 64 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 60 °F
Showers
Likely

Detailed Forecast

Tonight

A slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 57. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Saturday

Sunny and hot, with a high near 98. Light south wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

Saturday Night

Increasing clouds, with a low around 61. South southwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Sunday

Cloudy, then gradually becoming mostly sunny and hot, with a high near 99. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph.

Sunday Night

Mostly cloudy, with a low around 63. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 22 mph.

Monday

Mostly sunny, with a high near 95. Calm wind becoming northeast around 6 mph in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

Tuesday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Calm wind becoming north 5 to 7 mph in the afternoon.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 60.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 59.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 58.