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.

NA

64°F

18°C

Humidity 58%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 16 Aug 09:00 AM MDT
Extended Forecast for

6 Miles ENE Forestgrove MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 85. West wind 6 to 8 mph becoming east in the afternoon.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 59. East southeast wind 6 to 9 mph becoming northwest in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. West wind 6 to 9 mph becoming east northeast in the afternoon.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. East southeast wind around 7 mph becoming west southwest in the evening.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Southwest wind 5 to 7 mph becoming southeast in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. East wind around 6 mph becoming south southwest after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Southwest wind 6 to 8 mph becoming east in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind 6 to 9 mph becoming south southwest after midnight.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. West wind 6 to 8 mph becoming east in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. East southeast wind 6 to 9 mph becoming northwest in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind 6 to 9 mph becoming east northeast in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. East southeast wind around 7 mph becoming west southwest in the evening.
Monday
Sunny, with a high near 84. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 62. East wind around 6 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 90. Southwest wind 6 to 8 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. East wind 6 to 9 mph becoming south southwest after midnight.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A slight chance of showers. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Forestgrove MT
 47.02°N 108.95°W (Elev. 3963 ft)
2:21 am MDT Aug 16, 2025
9am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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