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 moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

66°F

19°C

Humidity	40%
Wind Speed	NE 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	15 Aug 10:00 AM MDT

More Information:

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

Extended Forecast for

Helmville MT

Today
High: 85 °F
Sunny
Tonight
Low: 48 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Patchy
Fog
Sunday
High: 81 °F
Patchy Fog
then Chance
T-storms
Sunday Night
Low: 48 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

Tonight

Mostly clear, with a low around 48. West northwest wind 5 to 10 mph becoming light and variable in the evening.

Saturday

Sunny, with a high near 86. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

Saturday Night

Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. West northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 22 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, 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 rain between 9pm and midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.

Monday

Mostly sunny, with a high near 84.

Monday Night

Mostly clear, with a low around 51.

Tuesday

Sunny, with a high near 90.

Tuesday Night

Mostly clear, with a low around 51.

Wednesday

Sunny, with a high near 88.

Wednesday Night

Mostly clear, with a low around 49.