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

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

79°F

26°C

Humidity 42%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index79°F (26°C)
Last update 16 Aug 07:08 PM MDT
Extended Forecast for

16 Miles WNW Terry MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 59. East southeast wind 9 to 14 mph becoming light east after midnight. Winds could gust as high as 21 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and midnight. Partly cloudy, with a low around 62. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 91. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 91 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East wind 3 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. East southeast wind 6 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. West wind 6 to 10 mph becoming north in the evening.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 59. East southeast wind 9 to 14 mph becoming light east after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and midnight. Partly cloudy, with a low around 62. West northwest wind 5 to 9 mph becoming calm after midnight.
Monday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 91. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 63. East wind 3 to 7 mph.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming southeast 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 67. East southeast wind 6 to 9 mph.
Wednesday
Sunny and hot, with a high near 100. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 65. West wind 6 to 10 mph becoming north in the evening.
Thursday
Sunny, with a high near 87. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 56. North northeast wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WNW Terry MT
 46.91°N 105.59°W (Elev. 2740 ft)
Last Update:
7:02 pm MDT Aug 16, 2025
Forecast Valid:
7pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation