Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

46°F

8°C

Humidity	89%
Wind Speed	WSW 1 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	16 Aug 06:00 AM MDT

More Information:

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

Extended Forecast for

7 Miles NNE East Helena MT

Today
High: 90 °F
Haze then
Slight Chance
T-storms
Tonight
Low: 55 °F
Chance
T-storms then
Haze
Sunday
High: 86 °F
Haze then
Chance
T-storms
Sunday Night
Low: 53 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 89 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 56 °F
Partly Cloudy
Wednesday
High: 93 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Widespread haze. Increasing clouds, with a high near 90. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Widespread haze after 9pm. Areas of smoke before 9pm. Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Widespread haze before 9am, then widespread haze after noon. Mostly sunny, with a high near 86. Calm wind becoming west 5 to 7 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. Widespread haze before 7pm. Mostly cloudy, with a low around 53. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

Monday

Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 56. West northwest wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 94. Calm wind becoming south southeast around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 56. East northeast wind around 6 mph becoming calm after midnight.

Wednesday

Sunny, with a high near 93.

Wednesday Night

Mostly clear, with a low around 55.