National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Rain

65°F

18°C

Humidity 97%
Wind Speed SE 15 G 25 mph
Barometer 30.08 in (1017.6 mb)
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 18 Sep 2:53 am CDT
Extended Forecast for

Ideal SD

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then showers likely. Patchy fog before 5am. Steady temperature around 65. East wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    Low: 65 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before 7am. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 76. East wind 6 to 11 mph becoming west in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 57. North wind 7 to 11 mph, with gusts as high as 17 mph.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Cloudy, with a high near 67. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 54. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 64. East wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 64 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then showers likely. Patchy fog before 5am. Steady temperature around 65. East wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Friday
Showers likely, mainly before 7am. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 76. East wind 6 to 11 mph becoming west in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 57. North wind 7 to 11 mph, with gusts as high as 17 mph.
Saturday
Cloudy, with a high near 67. North wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 54. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday
Showers, mainly after 1pm. High near 64. East wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday Night
Showers. Low around 51. Chance of precipitation is 90%.
Monday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly cloudy, with a high near 70. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ideal SD
 43.55°N 99.89°W (Elev. 1801 ft)
Last Update:
2:31 am CDT Sep 18, 2026
Forecast Valid:
3am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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