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

Independence, Independence Municipal Airport (KIIB)

Lat: 42.45°NLon: 91.93°WElev: 978ft.

Fair

79°F

26°C

Humidity 68%
Wind Speed N 6 mph
Barometer 29.94 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Aug 6:35 pm CDT
Extended Forecast for

Winthrop IA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southeast wind around 10 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 62. Southeast wind around 10 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop IA
 42.48°N 91.73°W (Elev. 1020 ft)
Last Update:
5:21 pm CDT Aug 2, 2026
Forecast Valid:
6pm CDT Aug 2, 2026-6pm CDT Aug 9, 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