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.

Mostly Cloudy

27°F

-3°C

Humidity 63%
Wind Speed S 12 mph
Barometer 29.64 in (1005.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 15 Jan 7:54 pm CST
Extended Forecast for

Waterloo IA

Winter Weather Advisory January 16, 06:00am until January 16, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 20 percent chance of snow after 2am. Mostly cloudy, with a temperature rising to around 31 by 3am. Blustery, with a south southwest wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.

    Low: 26 °F⇑

    Cloudy then
    Slight Chance
    Snow and
    Blustery

  • Friday

    Friday: A slight chance of snow before 7am, then a chance of snow showers, mainly after 10am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Wind chill values as low as 10. Windy, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 31 °F⇓

    Chance Snow
    Showers and
    Windy

  • Friday Night

    Friday Night: A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 9 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 13. Wind chill values as low as -10. Blustery, with a northwest wind around 18 mph, with gusts as high as 29 mph.

    High: 13 °F

    Blustery.
    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Blustery, with a northwest wind 9 to 16 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 3 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 1. Windy.

    Low: 1 °F

    Partly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 10. Blustery.

    High: 10 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow after 2am. Mostly cloudy, with a temperature rising to around 31 by 3am. Blustery, with a south southwest wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Friday
A slight chance of snow before 7am, then a chance of snow showers, mainly after 10am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Wind chill values as low as 10. Windy, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 13. Wind chill values as low as -10. Blustery, with a northwest wind around 18 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 3. Blustery, with a northwest wind 9 to 16 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 1. Windy.
M.L.King Day
Mostly sunny and cold, with a high near 10. Blustery.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 29.
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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:
6:06 pm CST Jan 15, 2026
Forecast Valid:
8pm CST Jan 15, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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