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

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Fair

81°F

27°C

Humidity 65%
Wind Speed E 10 mph
Barometer 29.94 in (1011.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 Aug 11:53 am CDT
Extended Forecast for

Ideal SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. East wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. East wind 5 to 15 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 90. East wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Southeast wind 10 to 15 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. East wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. East wind 5 to 15 mph.
Tuesday
Sunny, with a high near 90. East wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 65. Southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 97.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ideal SD
 43.55°N 99.89°W (Elev. 1801 ft)
Last Update:
9:30 am CDT Aug 16, 2025
Forecast Valid:
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation