Severe Thunderstorms and Flash Flooding Potential Across the Gulf Coast States

Strong to severe thunderstorms capable of producing large hail, damaging winds, a few tornadoes and heavy rain will be in play across the western and central Gulf Coast over the next few days. Multiple rounds of heavy rainfall may lead to considerable flash and urban flooding especially within vulnerable areas. New and renewed river flooding will also be possible. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

55°F

13°C

Humidity	47%
Wind Speed	NE 4 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	14 May 01:05 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Overnight
Low: 49 °F
Slight Chance
Rain
Tuesday
High: 63 °F
Chance
Showers then
Showers
Tuesday Night
Low: 46 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 73 °F
Increasing
Clouds
Wednesday Night
Low: 51 °F
Mostly Cloudy
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Mostly Clear
and Breezy
then Mostly
Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 44 °F
Slight Chance
Showers

Detailed Forecast

Overnight

A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 49. West southwest wind around 10 mph, with gusts as high as 18 mph.

Tuesday

Rain and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Tuesday Night

A 40 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 46. North northwest wind 7 to 13 mph becoming southwest in the evening.

Wednesday

Increasing clouds, with a high near 73. West wind 6 to 16 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly cloudy, with a low around 51. West southwest wind 9 to 17 mph, with gusts as high as 26 mph.

Thursday

Mostly sunny, with a high near 78. Southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

Thursday Night

Mostly clear, with a low around 53. Breezy, with a west southwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

Friday

Sunny, with a high near 75. West southwest wind 11 to 21 mph, with gusts as high as 30 mph.

Friday Night

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

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 40.

Sunday

A chance of showers. Mostly sunny, with a high near 65.

Sunday Night

A slight chance of showers. Partly cloudy, with a low around 42.