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 and Windy

36°F

2°C

Humidity 76%
Wind Speed NW 29 G 41 mph
Barometer 29.43 in (997.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 10 Dec 2:54 am CST
Extended Forecast for

Waterloo IA

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

    NOW until 6:00am Wed

    Winter Weather Advisory

  • Overnight

    Low: 25 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: A slight chance of snow between 1pm and 4pm. Cloudy, with a temperature falling to around 22 by 5pm. Windy, with a northwest wind 24 to 29 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 20%.

    High: 28 °F⇓

    Cloudy and
    Windy then
    Slight Chance
    Snow and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Northwest wind 8 to 13 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Snow likely after noon. Mostly cloudy, with a high near 23. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Mostly Cloudy
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Southeast wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy and cold, with a high near 7. Chance of precipitation is 60%.

    High: 7 °F

    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of snow. Cloudy, with a low around 25. Windy, with a west northwest wind around 29 mph, with gusts as high as 44 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow between 1pm and 4pm. Cloudy, with a temperature falling to around 22 by 5pm. Windy, with a northwest wind 24 to 29 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 11. Northwest wind 8 to 13 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Thursday
Snow likely after noon. Mostly cloudy, with a high near 23. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Southeast wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Snow likely, mainly before noon. Mostly cloudy and cold, with a high near 7. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
Sunny and cold, with a high near 3.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 33.
Basemap Options
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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 am CST Dec 10, 2025
Forecast Valid:
3am CST Dec 10, 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