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.

Fair

6°F

-14°C

Humidity 80%
Wind Speed Calm
Barometer 30.39 in (1031.3 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 31 Jan 9:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 8. Wind chill values as low as zero. Light south wind increasing to 5 to 10 mph after midnight. Total nighttime snow accumulation of less than a half inch possible.

    Low: 8 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly before 5pm. High near 27. Wind chill values as low as zero. South wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind around 7 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. Wind chill values as low as 5. North northwest wind 6 to 8 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. North wind around 6 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 8. Wind chill values as low as zero. Light south wind increasing to 5 to 10 mph after midnight. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow, mainly before 5pm. High near 27. Wind chill values as low as zero. South wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind around 7 mph.
Monday
Mostly sunny, with a high near 24. Wind chill values as low as 5. North northwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 11. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
10:18 pm CST Jan 31, 2026
Forecast Valid:
10pm CST Jan 31, 2026-6pm CST Feb 7, 2026
 
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