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.

Fog/Mist

24°F

-4°C

Humidity 96%
Wind Speed Calm
Barometer 29.85 in (1012.1 mb)
Dewpoint 23°F (-5°C)
Visibility 5.00 mi
Last update 26 Feb 9:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. South southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. West northwest wind 7 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before noon. Partly sunny, with a steady temperature around 26. North northeast wind 7 to 10 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. North wind 7 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 29.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Freezing Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph after midnight.
Friday
Sunny, with a high near 51. South southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 23. West northwest wind 7 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
A 40 percent chance of snow, mainly before noon. Partly sunny, with a steady temperature around 26. North northeast wind 7 to 10 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 12. North wind 7 to 10 mph.
Sunday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 29.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 38.
Monday Night
A chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
A chance of rain or freezing rain before noon. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 44.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 51.
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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:
10:11 pm CST Feb 26, 2026
Forecast Valid:
10pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
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