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 moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

NA

65°F

18°C

Humidity 56%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Aug 10:00 AM MDT
Extended Forecast for

13 Miles S Culbertson MT

  • Today

    Today: A 20 percent chance of showers before 11am.  Mostly sunny, with a high near 79. East wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 63. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Southeast wind around 9 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62. East southeast wind 5 to 9 mph.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Southeast wind 5 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62. East northeast wind around 7 mph becoming southeast after midnight.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92. East southeast wind 5 to 10 mph.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 79. East wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 58. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 87. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southeast wind around 9 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. East southeast wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 89. Southeast wind 5 to 7 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. East northeast wind around 7 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 92. East southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. Southeast wind 7 to 10 mph.
Wednesday
Sunny, with a high near 93. Southeast wind 6 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles S Culbertson MT
 47.97°N 104.56°W (Elev. 2123 ft)
2:37 am MDT Aug 15, 2025
10am MDT Aug 15, 2025-6pm MDT Aug 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database