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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

72°F

22°C

Humidity 91%
Wind Speed SE 8 mph
Barometer 30.01 in (1015.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Sep 9:52 pm CDT
Extended Forecast for

Kalona IA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 68. Southeast wind around 10 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 10am, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers after 4am. Low around 64. West wind around 5 mph becoming northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 68. Southeast wind around 10 mph. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely, mainly before 10am, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers after 4am. Low around 64. West wind around 5 mph becoming northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly after 1am. Cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kalona IA
 41.49°N 91.7°W (Elev. 699 ft)
Last Update:
9:46 pm CDT Sep 18, 2026
Forecast Valid:
10pm CDT Sep 18, 2026-6pm CDT Sep 25, 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