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

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

23°C

74°F

Humidity 64%
Wind Speed W 7 km/h
Barometer 1013.8 mb (29.95 in)
Dewpoint 16°C (61°F)
Visibility 16 km
Last update 12 Jul 7:54 pm CDT
Extended Forecast for

Waterloo Municipal Airport IA

  • Tonight

    Tonight: Partly cloudy, with a low around 15. West northwest wind 6 to 11 km/h becoming light and variable after midnight.

    Low: 15 °C

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 29. Southwest wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon.

    High: 29 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. South southwest wind 10 to 16 km/h.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Southwest wind 8 to 13 km/h.

    High: 32 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. South wind around 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32.

    High: 32 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.

    High: 29 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.

    Low: 18 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. West northwest wind 6 to 11 km/h becoming light and variable after midnight.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 29. Southwest wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon.
Sunday Night
Mostly clear, with a low around 18. South southwest wind 10 to 16 km/h.
Monday
Sunny, with a high near 32. Southwest wind 8 to 13 km/h.
Monday Night
Mostly clear, with a low around 21. South wind around 10 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo Municipal Airport IA
 42.55°N 92.41°W
Last Update:
6:38 pm CDT Jul 12, 2025
Forecast Valid:
8pm CDT Jul 12, 2025-6pm CDT Jul 19, 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