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.

Fair and Breezy

21°F

-6°C

Humidity 50%
Wind Speed N 24 G 30 mph
Barometer 30.17 in (1022.8 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 14 Jan 4:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Mostly clear, with a low around 12. Wind chill values as low as 5. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 29. Wind chill values as low as 5. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Little or no snow accumulation expected.

    High: 29 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a temperature rising to around 30 by 2am. Blustery, with a south southwest wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.

    Low: 27 °F⇑

    Chance Snow
    then Mostly
    Cloudy and
    Blustery

  • Friday

    Friday: A slight chance of snow before noon, then a chance of snow showers after noon. Mostly cloudy, with a temperature rising to near 33 by 11am, then falling to around 24 during the remainder of the day. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 33 °F⇓

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.

    Low: 7 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly cloudy, with a high near 11. Blustery.

    High: 11 °F

    Mostly Cloudy
    and Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. Blustery.

    Low: 3 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Wind chill values as low as 5. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 29. Wind chill values as low as 5. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a temperature rising to around 30 by 2am. Blustery, with a south southwest wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.
Friday
A slight chance of snow before noon, then a chance of snow showers after noon. Mostly cloudy, with a temperature rising to near 33 by 11am, then falling to around 24 during the remainder of the day. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 7. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.
Saturday
Mostly cloudy, with a high near 11. Blustery.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 3. Blustery.
M.L.King Day
Mostly sunny and cold, with a high near 10. Blustery.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
3:16 pm CST Jan 14, 2026
Forecast Valid:
5pm CST Jan 14, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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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