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

18°F

-8°C

Humidity 77%
Wind Speed N 9 mph
Barometer 30.04 in (1018.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 2 Jan 7:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: A chance of flurries after 3am. Cloudy, with a low around 18. North northeast wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries before 7am. Mostly cloudy, with a high near 28. Calm wind becoming west around 6 mph in the afternoon.

    High: 28 °F

    Chance
    Flurries

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. Northwest wind around 6 mph becoming calm in the evening.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Light east southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. South wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries after 3am. Cloudy, with a low around 18. North northeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of flurries before 7am. Mostly cloudy, with a high near 28. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 15. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 31. Light east southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 27. South wind 6 to 14 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.51°N 92.35°W
Last Update:
7:26 pm CST Jan 2, 2026
Forecast Valid:
7pm CST Jan 2, 2026-6pm CST Jan 9, 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