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

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Partly Cloudy

72°F

22°C

Humidity 91%
Wind Speed E 15 G 26 mph
Barometer 29.92 in (1012.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 16 Aug 10:52 pm CDT
Extended Forecast for

10 Miles SW Whitehorse SD

Severe T-storm Watch until August 17, 06:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 17, 06:00am

    NOW until 6:00am Sun

    Severe T-storm Watch

  • Tonight

    Low: 66 °F

    Severe
    Thunderstorms

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly before 8am.  Mostly sunny, with a high near 86. East northeast wind 7 to 10 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Northeast wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. East wind 5 to 9 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63. East southeast wind 5 to 9 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. Southeast wind 6 to 10 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. East southeast wind 6 to 10 mph.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. South southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 92 °F

    Hot

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could be severe and produce heavy rainfall. Low around 66. East northeast wind 8 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
A chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 86. East northeast wind 7 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 64. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 89. East wind 5 to 9 mph.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 91. Southeast wind 6 to 10 mph.
Tuesday Night
Clear, with a low around 65. East southeast wind 6 to 10 mph.
Wednesday
Sunny and hot, with a high near 92. South southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 68. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Whitehorse SD
 45.19°N 101.06°W (Elev. 1900 ft)
10:45 pm MDT Aug 16, 2025
10pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database