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.

Fair

25°F

-4°C

Humidity 78%
Wind Speed W 6 mph
Barometer 30.02 in (1018.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Dec 4:54 pm CST
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 24. West southwest wind around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 9pm and midnight. Areas of freezing fog after midnight. Otherwise, increasing clouds, with a low around 14. Wind chill values as low as 5. Calm wind becoming south around 6 mph after midnight.

    Low: 14 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, partly sunny, with a high near 36. Wind chill values as low as 10. South wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 36 °F

    Areas
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West southwest wind 6 to 11 mph becoming northwest after midnight.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. West northwest wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after midnight. Cloudy, with a low around 32. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 37. Windy. Chance of precipitation is 30%.

    High: 37 °F

    Windy. Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. Windy.

    Low: 1 °F

    Mostly Cloudy
    and Windy
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 24. West southwest wind around 5 mph.
Tonight
Patchy fog between 9pm and midnight. Areas of freezing fog after midnight. Otherwise, increasing clouds, with a low around 14. Wind chill values as low as 5. Calm wind becoming south around 6 mph after midnight.
Tuesday
Patchy fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, partly sunny, with a high near 36. Wind chill values as low as 10. South wind 6 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 22. West southwest wind 6 to 11 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 35. West northwest wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 32. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 37. Windy. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 1. Windy.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
3:16 pm CST Dec 15, 2025
Forecast Valid:
4pm CST Dec 15, 2025-6pm CST Dec 21, 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