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.

Overcast

29°F

-2°C

Humidity 82%
Wind Speed SW 15 mph
Barometer 29.84 in (1011.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 2 Dec 11:54 pm CST
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: A chance of flurries before 3am, then a slight chance of snow between 3am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a steady temperature around 27. South southwest wind 8 to 11 mph becoming west. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: A slight chance of snow showers and freezing rain before 8am, then a chance of flurries between 8am and 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -5. North northwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 26 °F⇓

    Slight Chance
    Wintry Mix
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -11. Wind chill values as low as -25. Northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: -11 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 9. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of flurries before 3am, then a slight chance of snow between 3am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a steady temperature around 27. South southwest wind 8 to 11 mph becoming west. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of snow showers and freezing rain before 8am, then a chance of flurries between 8am and 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -5. North northwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around -11. Wind chill values as low as -25. Northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 9. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 1. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 27.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 12.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly cloudy, with a high near 25.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 30.
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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:
10:21 pm CST Dec 2, 2025
Forecast Valid:
12am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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