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.

Overcast

64°F

18°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 30.17 in (1021.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 30 Aug 10:54 pm CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. East wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 76. East southeast wind 5 to 8 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 56. East wind 3 to 6 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: Mostly sunny, with a high near 76. Southeast wind 3 to 6 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. East wind around 5 mph.
Sunday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 76. East southeast wind 5 to 8 mph.
Sunday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 56. East wind 3 to 6 mph.
Labor Day
Mostly sunny, with a high near 76. Southeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 55. Calm wind.
Tuesday
A 20 percent chance of showers after 1pm. Sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55.
Wednesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
11:35 pm CDT Aug 30, 2025
Forecast Valid:
12am CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
Forecast Discussion
 
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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