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.

Light Rain

67°F

19°C

Humidity 93%
Wind Speed S 16 G 25 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 20 Jun 9:54 am CDT
Extended Forecast for

4 Miles ESE New Hartford IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Flash Flood Warning until June 20, 02:45pm
Click here for hazard details and duration
Heat Advisory
Flash Flood Warning
  •  
    Flash Flood Warning until June 20, 02:45pm

    NOW until 2:45pm Fri

    Flash Flood Warning

  • Today

    High: 91 °F

    Breezy.
    T-storms then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Windy, with a south southwest 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 21 to 25 mph, with gusts as high as 36 mph.

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: 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

    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 95. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph.

    High: 95 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Windy.

    Low: 75 °F

    Slight Chance
    T-storms and
    Windy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before noon. High near 91. Breezy, with a south wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 77. Windy, with a south southwest 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 21 to 25 mph, with gusts as high as 36 mph.
Saturday Night
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 95. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Windy.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
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 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE New Hartford IA
 42.55°N 92.55°W
Last Update:
9:14 am CDT Jun 20, 2025
Forecast Valid:
10am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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