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

25°F

-4°C

Humidity 69%
Wind Speed W 10 mph
Barometer 30.43 in (1032.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 11 Jan 11:54 am CST
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 28. West wind around 10 mph becoming south southwest. Winds could gust as high as 20 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. South southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 43. West wind 6 to 8 mph.

    High: 43 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. Windy.

    High: 29 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 28. West wind around 10 mph becoming south southwest. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 25. South southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 43. West wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 32. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 49. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery.
Wednesday
Partly sunny, with a high near 29. Windy.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 32. Breezy.
Friday Night
Mostly cloudy, with a low around 12. Blustery.
Saturday
Mostly cloudy, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.46°N 92.35°W
Last Update:
11:17 am CST Jan 11, 2026
Forecast Valid:
12pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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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