Severe Weather and Excessive Rain in the Ohio and Tennessee Valley

Severe storms are expected to continue this evening and overnight across the eastern Ozark Plateau into the Ohio and Tennessee Valley. Tornadoes, some strong to intense, and large to very large hail will remain the primary concerns this evening before transitioning to a widespread severe wind threat overnight. The associated heavy rain will create numerous areas of flash flooding. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

52°F

11°C

Humidity	46%
Wind Speed	SW 6 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	27 May 05:35 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Memorial Day
High: 72 °F
Sunny
Tonight
Low: 48 °F
Partly Cloudy
Tuesday
High: 80 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 53 °F
Chance
Showers
Wednesday
High: 63 °F
Showers
Likely
Wednesday Night
Low: 42 °F
Chance
Showers
Thursday
High: 60 °F
Chance
Showers
Thursday Night
Low: 39 °F
Mostly Clear
Friday
High: 65 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

Memorial Day

Sunny, with a high near 72. Southwest wind 6 to 8 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

Tonight

Partly cloudy, with a low around 48. West northwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South wind 6 to 8 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

Wednesday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. West wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Wednesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 42. West northwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 60. West wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

Thursday Night

Mostly clear, with a low around 39. West wind 6 to 15 mph, with gusts as high as 30 mph.

Friday

A slight chance of showers after noon. Sunny, with a high near 65.

Friday Night

Mostly clear, with a low around 41.

Saturday

Mostly sunny, with a high near 72.

Saturday Night

Partly cloudy, with a low around 48.

Sunday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 77.