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 >

Hazardous Weather Conditions

Current conditions at

STURGIS (K49B)

Lat: 44.42°NLon: 103.38°WElev: 3243ft.

Fair

64°F

18°C

Humidity 100%
Wind Speed W 9 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 3:55 am MDT
Extended Forecast for

7 Miles W Union Center SD

  • Today

    Today: Mostly sunny, with a high near 88. East wind around 10 mph becoming west in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. East wind 10 to 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 66. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Breezy.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 88. East wind around 10 mph becoming west in the morning. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 64. South wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 15 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. East wind 10 to 15 mph.
Tuesday
Sunny, with a high near 92. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 66. Southeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 96. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 69. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 93. Breezy.
Thursday Night
A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A slight chance of showers. Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Union Center SD
 44.59°N 102.8°W (Elev. 2789 ft)
Last Update:
3:49 am MDT Aug 17, 2025
Forecast Valid:
4am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation