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.

58°F

14°C

Humidity	93%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	56°F (13°C)
Visibility	NA
Last update	14 Aug 07:53 AM MDT

More Information:

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

Extended Forecast for

15 Miles NNE Helena MT

Today
High: 68 °F
Chance
Showers then
Showers
Likely
Tonight
Low: 47 °F
Showers
Likely then
Partly Cloudy
Saturday
High: 76 °F
Decreasing
Clouds
Saturday Night
Low: 49 °F
Chance
Showers then
Partly Cloudy
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 51 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 81 °F
Partly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 50 °F
Showers
Likely
Tuesday
High: 75 °F
Chance
Showers

Detailed Forecast

Today

A chance of showers before noon, then a chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 68. North wind 3 to 7 mph. Chance of precipitation is 60%.

Tonight

Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 47. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 76. Light and variable wind.

Saturday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 49. South southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 83. Calm wind becoming south 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 51. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

Tuesday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.

Thursday

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