Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

57°F

14°C

Humidity	82%
Wind Speed	E 3 MPH
Barometer	30.27 in (1025.06 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	15 Aug 08:00 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Today
High: 77 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 52 °F
T-storms then
Chance
T-storms
Sunday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 53 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 83 °F
Partly Sunny
Monday Night
Low: 55 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 79 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 51 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 82 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke after 5pm. Mostly sunny, with a high near 77. Calm wind becoming east northeast around 5 mph.

Tonight

Showers and thunderstorms, mainly before 1am. Patchy smoke before 8pm. Low around 52. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.

Sunday

A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. North northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 30%.

Monday

Partly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 40%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming light and variable after midnight.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Partly cloudy, with a low around 53.

Thursday

Sunny, with a high near 85.

Thursday Night

Partly cloudy, with a low around 54.

Friday

Sunny, with a high near 87.