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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed S 6 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Jul 7:54 pm CDT
Extended Forecast for

Waverly IA

  • Tonight

    Tonight: Patchy smoke before 9pm. Mostly clear, with a low around 64. South southeast wind around 6 mph.

    Low: 64 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 83. South wind 6 to 10 mph.

    High: 83 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 65. South southeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 73. Breezy, with a southeast wind 13 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Heavy Rain
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 60. Breezy, with a north wind 15 to 17 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Breezy.

    High: 79 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke before 9pm. Mostly clear, with a low around 64. South southeast wind around 6 mph.
Thursday
Increasing clouds, with a high near 83. South wind 6 to 10 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 65. South southeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 73. Breezy, with a southeast wind 13 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 60. Breezy, with a north wind 15 to 17 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 79. Breezy.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waverly IA
 42.73°N 92.46°W
Last Update:
6:26 pm CDT Jul 29, 2026
Forecast Valid:
8pm CDT Jul 29, 2026-6pm CDT Aug 5, 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