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.

Overcast

39°F

4°C

Humidity 89%
Wind Speed W 12 mph
Barometer 29.87 in (1012.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 3 Apr 12:54 am CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Cloudy, with a low around 36. Northwest wind 7 to 9 mph.

    Low: 36 °F

    Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 57. North wind 5 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Slight Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 37. East wind around 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 46. Windy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 46 °F

    Slight Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy, with a west northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Blustery.

    Low: 23 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 36. Northwest wind 7 to 9 mph.
Friday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 57. North wind 5 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 37. East wind around 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 46. Windy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 32. Breezy, with a west northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 47. Breezy.
Monday Night
Mostly clear, with a low around 23. Blustery.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 68. Windy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45. Windy.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
1:51 am CDT Apr 3, 2026
Forecast Valid:
3am CDT Apr 3, 2026-6pm CDT Apr 9, 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