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.

Partly Cloudy

16°F

-9°C

Humidity 80%
Wind Speed SE 12 mph
Barometer 30.09 in (1020.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 8 Dec 4:54 pm CST
Extended Forecast for

Waterloo IA

Winter Storm Watch December 10, 12:00am until December 10, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Patchy fog between midnight and 4am. Otherwise, cloudy, with a temperature rising to around 29 by 5am. Wind chill values as low as 5. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 19 °F⇑

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of freezing rain between noon and 1pm, then a chance of rain. Mostly cloudy, with a high near 36. Breezy, with a west wind 8 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 18 to 23 mph becoming west northwest 27 to 32 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 23 °F

    Windy. Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30. Wind chill values as low as 10. Windy, with a northwest wind 24 to 29 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 30 °F

    Mostly Cloudy
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 20.

    High: 20 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before noon. Partly sunny, with a high near 17. Blustery.

    High: 17 °F

    Slight Chance
    Snow then
    Partly Sunny
    and Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between midnight and 4am. Otherwise, cloudy, with a temperature rising to around 29 by 5am. Wind chill values as low as 5. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of freezing rain between noon and 1pm, then a chance of rain. Mostly cloudy, with a high near 36. Breezy, with a west wind 8 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 18 to 23 mph becoming west northwest 27 to 32 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
Mostly cloudy, with a high near 30. Wind chill values as low as 10. Windy, with a northwest wind 24 to 29 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 47 mph.
Wednesday Night
Mostly cloudy, with a low around 9. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 20.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Friday
A 20 percent chance of snow before noon. Partly sunny, with a high near 17. Blustery.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
Mostly cloudy and cold, with a high near 5.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.38°W
Last Update:
3:16 pm CST Dec 8, 2025
Forecast Valid:
5pm CST Dec 8, 2025-6pm CST Dec 15, 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