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.

78°F

26°C

Humidity	37%
Wind Speed	ESE 11 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	16 Aug 06:15 PM MDT

More Information:

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

Extended Forecast for

11 Miles NNW Forestgrove MT

Tonight
Low: 58 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 79 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 58 °F
Chance
T-storms then
Haze
Monday
High: 82 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 58. East wind 6 to 8 mph becoming west in the evening.

Sunday

A 30 percent chance of showers, mainly after 5pm. Widespread haze between 1pm and 5pm. Mostly sunny, with a high near 79. West wind 5 to 7 mph becoming east in the afternoon.

Sunday Night

A 40 percent chance of showers and thunderstorms before midnight. Widespread haze before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 58. North northeast wind around 7 mph becoming south southwest in the evening.

Monday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 62. Northeast wind around 6 mph becoming south after midnight.

Tuesday

Sunny, with a high near 88. South southwest wind around 6 mph becoming east in the afternoon.

Tuesday Night

Mostly clear, with a low around 64. East wind around 7 mph becoming south after midnight.

Wednesday

Sunny, with a high near 85. South southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

A slight chance of showers after midnight. Partly cloudy, with a low around 60.

Thursday

Sunny, with a high near 75.