National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

63°F

17°C

Humidity 80%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 16 Aug 05:43 PM MDT
Extended Forecast for

10 Miles W Big Arm MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. West southwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Big Arm MT
 47.82°N 114.51°W (Elev. 3000 ft)
Last Update:
6:20 pm MDT Aug 16, 2025
Forecast Valid:
6pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation