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.

Mostly Cloudy

-3°F

-19°C

Humidity 82%
Wind Speed Calm
Barometer 30.36 in (1030.2 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Last update 7 Dec 11:54 pm CST
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: A chance of flurries between 1am and 2am, then a slight chance of snow after 2am. Cloudy, with a temperature rising to around 6 by 5am. Wind chill values as low as -5. Light southeast wind. Chance of precipitation is 20%.

    Low: 0 °F⇑

    Slight Chance
    Snow

  • Monday

    Monday: A chance of flurries with a slight chance of snow before 11am, then a chance of flurries between 11am and noon. Mostly cloudy, with a high near 22. Wind chill values as low as -5. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 27 by 1am. Wind chill values as low as 5. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 18 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. West wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 23. Windy, with a south southwest wind 18 to 28 mph becoming west northwest after midnight. Winds could gust as high as 37 mph.

    Low: 23 °F

    Windy. Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 28. Windy.

    High: 28 °F

    Mostly Cloudy
    and Windy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

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

    High: 20 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries between 1am and 2am, then a slight chance of snow after 2am. Cloudy, with a temperature rising to around 6 by 5am. Wind chill values as low as -5. Light southeast wind. Chance of precipitation is 20%.
Monday
A chance of flurries with a slight chance of snow before 11am, then a chance of flurries between 11am and noon. Mostly cloudy, with a high near 22. Wind chill values as low as -5. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a temperature rising to around 27 by 1am. Wind chill values as low as 5. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly cloudy, with a high near 39. West wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 23. Windy, with a south southwest wind 18 to 28 mph becoming west northwest after midnight. Winds could gust as high as 37 mph.
Wednesday
Mostly cloudy, with a high near 28. Windy.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 10.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly cloudy and cold, with a high near 10. Blustery.
Friday Night
Mostly cloudy, with a low around -7.
Saturday
Partly sunny and cold, with a high near 4.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Partly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
11:06 pm CST Dec 7, 2025
Forecast Valid:
12am CST Dec 8, 2025-6pm CST Dec 14, 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