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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

Miles City, Frank Wiley Field Airport (KMLS)

Lat: 46.42806°NLon: 105.88639°WElev: 2628.0ft.

Clear

64°F

18°C

Humidity 88%
Wind Speed N 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 04:00 AM MDT
Extended Forecast for

18 Miles E Forsyth MT

  • Today

    Today: Sunny and hot, with a high near 91. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 91 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 64. East northeast wind around 6 mph becoming light and variable after midnight.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 92. Light and variable wind becoming south southwest around 5 mph in the afternoon.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. East southeast wind around 6 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Southeast wind 3 to 6 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southeast wind 6 to 9 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Southeast wind 7 to 9 mph becoming west in the afternoon.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Northwest wind around 8 mph becoming northeast in the evening.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. North northwest wind 6 to 10 mph.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 91. Light and variable wind becoming west northwest around 6 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 64. East northeast wind around 6 mph becoming light and variable after midnight.
Monday
Sunny and hot, with a high near 92. Light and variable wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. East southeast wind around 6 mph.
Tuesday
Sunny and hot, with a high near 100. Southeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 71. Southeast wind 6 to 9 mph.
Wednesday
Sunny and hot, with a high near 101. Southeast wind 7 to 9 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Northwest wind around 8 mph becoming northeast in the evening.
Thursday
Sunny, with a high near 88. North northwest wind 6 to 10 mph.
Thursday Night
A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 60. North wind 6 to 10 mph.
Friday
A 20 percent chance of showers. Sunny, with a high near 83. North northeast wind 6 to 10 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. North northeast wind 7 to 10 mph.
Saturday
Sunny, with a high near 83. East wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles E Forsyth MT
 46.29°N 106.32°W (Elev. 2461 ft)
Last Update:
12:47 am MDT Aug 17, 2025
Forecast Valid:
4am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation