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.

Partly Cloudy

73°F

23°C

Humidity 71%
Wind Speed SE 13 G 23 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Jun 10:54 am CDT
Extended Forecast for

Waterloo IA

Extreme Heat Watch June 28, 01:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Partly sunny, with a high near 81. East southeast wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 66. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 91. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 91 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 95. Breezy, with a south wind 13 to 20 mph, with gusts as high as 32 mph.

    High: 95 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Breezy.

    High: 95 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. Breezy.

    Low: 75 °F

    Slight Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. East southeast wind 9 to 13 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 66. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 91. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 76. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 95. Breezy, with a south wind 13 to 20 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 77. Breezy.
Tuesday
Mostly sunny, with a high near 95. Breezy.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. Breezy.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
8:53 am CDT Jun 27, 2026
Forecast Valid:
11am CDT Jun 27, 2026-6pm CDT Jul 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation