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.

67°F

19°C

Humidity	65%
Wind Speed	NE 13 MPH
Barometer	NA
Dewpoint	55°F (13°C)
Visibility	NA
Last update	14 Aug 03:53 PM MDT

More Information:

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

Extended Forecast for

4 Miles S Marysville MT

This Afternoon
High: 51 °F
Chance
T-storms
Tonight
Low: 46 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 62 °F
Mostly Cloudy
then Chance
T-storms
Saturday Night
Low: 47 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 51 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 65 °F
Partly Sunny
Monday Night
Low: 50 °F
Showers
Likely
Tuesday
High: 61 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 51. North wind around 7 mph.

Tonight

A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. East wind 5 to 8 mph. Chance of precipitation is 50%.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. East wind 5 to 7 mph becoming south southeast in the afternoon.

Saturday Night

A 30 percent chance of showers and thunderstorms before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 47. West southwest wind around 9 mph.

Sunday

Sunny, with a high near 66. West southwest wind 6 to 9 mph.

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 51. West southwest wind 6 to 9 mph. Chance of precipitation is 20%.

Monday

Partly sunny, with a high near 65. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

Monday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 7 mph.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 61.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Wednesday

Sunny, with a high near 62.

Wednesday Night

Partly cloudy, with a low around 47.

Thursday

Sunny, with a high near 65.

Thursday Night

Partly cloudy, with a low around 50.