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 (HRWM8)

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

56°F

13°C

Humidity	79%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	14 Aug 11:53 PM MDT

More Information:

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

Extended Forecast for

8 Miles ESE Marysville MT

Overnight
Low: 49 °F
Slight Chance
Showers
Saturday
High: 77 °F
Decreasing
Clouds
Saturday Night
Low: 50 °F
Chance
T-storms then
Mostly Clear
Sunday
High: 81 °F
Partly Sunny
Sunday Night
Low: 52 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 82 °F
Partly Sunny
Monday Night
Low: 53 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 78 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 50 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 49. Calm wind.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 50. East wind around 5 mph becoming calm in the evening.

Sunday

Partly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

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 52. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

Monday

Partly sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming light west 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 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Partly cloudy, with a low around 52.

Thursday

Sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 53.

Friday

Sunny, with a high near 86.