Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

61°F

16°C

Humidity	67%
Wind Speed	WNW 8 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	13 Aug 11:35 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Today
High: 70 °F
Chance
T-storms
Tonight
Low: 54 °F
Showers
Friday
High: 67 °F
Chance
Showers then
Showers
Friday Night
Low: 53 °F
Showers
Likely then
Mostly Cloudy
Saturday
High: 77 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 54 °F
Chance
Showers then
Mostly Cloudy
Sunday
High: 82 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 55 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 70. Light north northwest wind becoming north 5 to 9 mph in the afternoon.

Tonight

Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 54. Northwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 67. West northwest wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 53. North wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. Light and variable wind becoming south around 5 mph. Chance of precipitation is 40%.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Southwest wind 3 to 5 mph.

Monday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 80.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 79.