Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

76°F

24°C

Humidity 60%
Wind Speed NW 12 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Aug 6:54 pm CDT
Extended Forecast for

Shell Rock IA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. North northwest wind 3 to 8 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. South southeast wind 5 to 11 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Breezy.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Breezy.

    Low: 69 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91. Breezy.

    High: 91 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Breezy.

    Low: 71 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 80. North northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 81. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 65. South southeast wind 5 to 11 mph.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Breezy.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Shell Rock IA
 42.71°N 92.58°W
5:31 pm CDT Aug 26, 2026
7pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
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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