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.

A Few Clouds

84°F

29°C

Humidity 55%
Wind Speed E 12 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 12 Jun 3:54 pm CDT
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southeast wind around 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 63. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. South southeast wind 6 to 8 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. Southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. East northeast wind around 6 mph becoming south southeast in the morning.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southeast wind around 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 63. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 86. South southeast wind 6 to 8 mph.
Friday Night
A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. Southeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. East northeast wind around 6 mph becoming south southeast in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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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:
2:36 pm CDT Jun 12, 2025
Forecast Valid:
4pm CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
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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