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.

Fair

71°F

22°C

Humidity 87%
Wind Speed SE 5 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 Sep 12:54 am CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Southeast wind around 6 mph.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 87. South southeast wind around 6 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light east southeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 84. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Southeast wind around 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 87. South southeast wind around 6 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light east southeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 84. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 79.
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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:
11:06 pm CDT Sep 15, 2025
Forecast Valid:
1am CDT Sep 16, 2025-6pm CDT Sep 22, 2025
 
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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