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.

79°F

26°C

Humidity	43%
Wind Speed	ENE 10 MPH
Barometer	NA
Dewpoint	55°F (13°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	15 Aug 04:30 PM MDT

More Information:

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

Extended Forecast for

7 Miles ENE Lewistown MT

Tonight
Low: 60 °F
Mostly Clear
Saturday
High: 82 °F
Sunny then
Chance
Showers
Saturday Night
Low: 56 °F
Chance
T-storms then
Mostly Cloudy
Sunday
High: 78 °F
Mostly Sunny
then Slight
Chance
Showers
Sunday Night
Low: 56 °F
Chance
T-storms then
Mostly Cloudy
Monday
High: 80 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 60. East southeast wind 5 to 7 mph becoming south after midnight.

Saturday

A 30 percent chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 82. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. East southeast wind 6 to 8 mph becoming west southwest in the evening. Winds could gust as high as 18 mph.

Sunday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 78. West southwest wind around 6 mph becoming north in the afternoon.

Sunday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. Southeast wind around 6 mph becoming west southwest in the evening.

Monday

Sunny, with a high near 80. Light and variable wind becoming east southeast around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 59. Northeast wind around 6 mph becoming south southeast after midnight.

Tuesday

Sunny, with a high near 85. South wind around 6 mph becoming east in the afternoon.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 59.