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

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

57°F

14°C

Humidity	81%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	17 Aug 04:45 AM MDT

More Information:

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

Extended Forecast for

7 Miles WNW Grass Range MT

Today
High: 83 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 56 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 89 °F
Haze then
Chance
Showers
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 80 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 83. West wind 5 to 8 mph becoming light and variable.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind 5 to 11 mph becoming west in the evening. Winds could gust as high as 22 mph.

Monday

A 30 percent chance of showers after noon. Widespread haze before 11am. Mostly sunny, with a high near 89. West southwest wind 5 to 7 mph becoming calm.

Monday Night

Mostly clear, with a low around 61. Southwest wind around 6 mph becoming east in the evening.

Tuesday

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

Tuesday Night

Mostly clear, with a low around 62. Southeast wind around 7 mph becoming south southwest after midnight.

Wednesday

Sunny, with a high near 92. South southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Partly cloudy, with a low around 60. North northwest wind 7 to 9 mph becoming west after midnight.

Thursday

Sunny, with a high near 80.