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.

Unknown Precip

34°F

1°C

Humidity 89%
Wind Speed S 10 mph
Barometer 29.39 in (996.3 mb)
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill26°F (-3°C)
Last update 9 Dec 5:54 pm CST
Extended Forecast for

Waterloo IA

Winter Weather Advisory December 9, 09:00pm until December 10, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of rain before 3am, then a chance of snow. Cloudy, with a low around 25. Windy, with a south wind 11 to 16 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Windy. Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Cloudy, with a temperature falling to around 22 by 5pm. Wind chill values as low as 10. Windy, with a northwest wind 23 to 28 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 29 °F⇓

    Cloudy and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 24. Wind chill values as low as 10. Calm wind becoming south southeast 5 to 7 mph in the morning. New snow accumulation of around an inch possible.

    High: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 15. Southeast wind 6 to 8 mph becoming north after midnight. New snow accumulation of around an inch possible.

    Low: 15 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow. Mostly cloudy, with a high near 22. Blustery.

    High: 22 °F

    Slight Chance
    Snow and
    Blustery

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 2.

    Low: 2 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -12.

    Low: -12 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain before 3am, then a chance of snow. Cloudy, with a low around 25. Windy, with a south wind 11 to 16 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Cloudy, with a temperature falling to around 22 by 5pm. Wind chill values as low as 10. Windy, with a northwest wind 23 to 28 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Mostly cloudy, with a low around 11. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Thursday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 24. Wind chill values as low as 10. Calm wind becoming south southeast 5 to 7 mph in the morning. New snow accumulation of around an inch possible.
Thursday Night
A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 15. Southeast wind 6 to 8 mph becoming north after midnight. New snow accumulation of around an inch possible.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 22. Blustery.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 2.
Saturday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 8.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
Sunny and cold, with a high near 5.
Sunday Night
Mostly cloudy, with a low around -7.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.38°W
Last Update:
5:06 pm CST Dec 9, 2025
Forecast Valid:
6pm CST Dec 9, 2025-6pm CST Dec 16, 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