Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Thunderstorm in Vicinity Rain Fog/Mist

79°F

26°C

Humidity 97%
Wind Speed Calm
Barometer 29.93 in (1013.0 mb)
Dewpoint 78°F (26°C)
Visibility 2.50 mi
Heat Index84°F (29°C)
Last update 26 Jul 5:52 pm CDT
Extended Forecast for

4 Miles NW Kalona IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 112. Southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind around 5 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 112. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Kalona IA
 41.52°N 91.76°W (Elev. 771 ft)
4:31 pm CDT Jul 26, 2025
6pm CDT Jul 26, 2025-6pm CDT Aug 2, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database