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 (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

76°F

24°C

Humidity	21%
Wind Speed	WNW 11 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Heat Index	77°F (25°C)
Last update	13 May 03:53 PM MDT

More Information:

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

Extended Forecast for

12 Miles NNE Helena MT

This Afternoon
High: 77 °F
Slight Chance
T-storms
Tonight
Low: 46 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 66 °F
Showers
Tuesday Night
Low: 44 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 74 °F
Partly Sunny
Wednesday Night
Low: 47 °F
Mostly Cloudy
Thursday
High: 79 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Thursday Night
Low: 51 °F
Mostly Clear
and Breezy
then Mostly
Clear
Friday
High: 75 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. West northwest wind around 17 mph, with gusts as high as 26 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 46. West northwest wind 13 to 18 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

Tuesday

Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 66. North wind 6 to 14 mph becoming west in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Wednesday

Partly sunny, with a high near 74. Southeast wind 5 to 11 mph becoming west in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 47. West southwest wind 6 to 16 mph, with gusts as high as 24 mph.

Thursday

Mostly sunny, with a high near 79. Breezy, with a south southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

Thursday Night

Mostly clear, with a low around 51. Breezy, with a southwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

Friday

A slight chance of showers after noon. Sunny, with a high near 75.

Friday Night

A chance of showers. Partly cloudy, with a low around 41.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 63.

Saturday Night

A slight chance of showers. Partly cloudy, with a low around 39.

Sunday

A chance of showers. Mostly sunny, with a high near 67.

Sunday Night

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