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

30°F

-1°C

Humidity 88%
Wind Speed W 5 mph
Barometer 29.97 in (1015.5 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 15 Feb 7:54 am CST
Extended Forecast for

Waterloo IA

  • Today

    Today: Sunny, with a high near 57. Northwest wind around 5 mph becoming west southwest in the afternoon.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 63. South southwest wind 5 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 40. East wind 5 to 8 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Breezy, with an east southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 60 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 46. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Windy.

    High: 57 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 57. Northwest wind around 5 mph becoming west southwest in the afternoon.
Tonight
Partly cloudy, with a low around 38. South wind 5 to 10 mph, with gusts as high as 20 mph.
Washington's Birthday
Sunny, with a high near 63. South southwest wind 5 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 40. East wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 60. Breezy, with an east southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 46. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 57. Windy.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 47.
Thursday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
5:46 am CST Feb 15, 2026
Forecast Valid:
8am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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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