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	76%
Wind Speed	NNW 4 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	15 Aug 02:00 AM MDT

More Information:

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

Extended Forecast for

10 Miles SW Helena MT

Overnight
Low: 44 °F
Mostly Cloudy
Saturday
High: 63 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 47 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 68 °F
Increasing
Clouds
Sunday Night
Low: 49 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 69 °F
Partly Sunny
Monday Night
Low: 51 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 65 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 44. Calm wind.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 63. Light and variable wind becoming east around 5 mph in the afternoon.

Saturday Night

A 50 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 47. South southeast wind 5 to 9 mph becoming southwest after midnight.

Sunday

Increasing clouds, with a high near 68. Southwest wind 5 to 7 mph becoming calm.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. Northwest wind 6 to 8 mph becoming south southwest after midnight. Chance of precipitation is 20%.

Monday

Partly sunny, with a high near 69. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West northwest wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 50%.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

Tuesday Night

Partly cloudy, with a low around 48.

Wednesday

Sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 49.

Thursday

Sunny, with a high near 71.

Thursday Night

Partly cloudy, with a low around 52.

Friday

Sunny, with a high near 74.