National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Mostly Cloudy

18°F

-8°C

Humidity 84%
Wind Speed NW 8 mph
Barometer 30.43 in (1032.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 30 Nov 4:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Snow likely, mainly after noon. Cloudy, with a high near 21. Wind chill values as low as 5. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 21 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as 5. West southwest wind around 5 mph.

    Low: 11 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. Wind chill values as low as 5. South southwest wind 3 to 8 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 18. South wind 8 to 10 mph.

    Low: 18 °F

    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Snow likely, mainly after noon. Cloudy, with a high near 21. Wind chill values as low as 5. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as 5. West southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 26. Wind chill values as low as 5. South southwest wind 3 to 8 mph.
Tuesday Night
Cloudy, with a low around 18. South wind 8 to 10 mph.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.
Wednesday Night
Partly cloudy, with a low around -10.
Thursday
Sunny and cold, with a high near 8.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Partly sunny, with a high near 21.
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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:
3:16 pm CST Nov 30, 2025
Forecast Valid:
5pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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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