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

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Overcast and Breezy

75°F

24°C

Humidity 69%
Wind Speed S 23 G 30 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 11:54 am CDT
Extended Forecast for

4 Miles N Stout IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. Windy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 91 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 77. Windy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 77 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 105. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Mostly Clear
    and Windy
    then Chance
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Windy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 77. Windy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 105. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 94. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Stout IA
 42.58°N 92.7°W
Last Update:
11:59 am CDT Jun 20, 2025
Forecast Valid:
12pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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