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

BRENNER (BRRM8)

Lat: 44.93656°NLon: 113.25239°WElev: 6631.0ft.

NA

57°F

14°C

Humidity 62%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 17 Aug 04:47 AM MDT
Extended Forecast for

11 Miles SW Grant MT

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 73. Light and variable wind becoming south southwest 13 to 18 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Partly cloudy, with a low around 50. Northwest wind 5 to 8 mph becoming south southeast in the evening.

    Low: 50 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm.  Sunny during the morning, then partly sunny during the afternoon, with a high near 79. Southwest wind 6 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West southwest wind 6 to 14 mph becoming south after midnight.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind 6 to 16 mph, with gusts as high as 22 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. South wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. Light and variable wind becoming south southwest 13 to 18 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 50. Northwest wind 5 to 8 mph becoming south southeast in the evening.
Monday
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Sunny during the morning, then partly sunny during the afternoon, with a high near 79. Southwest wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 53. West southwest wind 6 to 14 mph becoming south after midnight.
Tuesday
Sunny, with a high near 86. South wind 6 to 16 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. South wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 50. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 49.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SW Grant MT
 44.89°N 113.2°W (Elev. 6998 ft)
3:16 am MDT Aug 17, 2025
5am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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Additional Resources

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