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

53°F

12°C

Humidity 72%
Wind Speed SE 5 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 44°F (7°C)
Visibility 7.00 mi
Wind Chill52°F (11°C)
Last update 5 Mar 4:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: A chance of showers and thunderstorms between 3am and 4am, then showers and possibly a thunderstorm after 4am. Low around 45. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. High near 67. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 34. Breezy, with a south wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Showers then
    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 46 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 3am and 4am, then showers and possibly a thunderstorm after 4am. Low around 45. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. High near 67. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 34. Breezy, with a south wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 34. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 63. Breezy.
Sunday Night
Mostly clear, with a low around 46. Breezy.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 45.
Tuesday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 70. Breezy.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Wednesday
Partly sunny, with a high near 49. Breezy.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
4:13 pm CST Mar 5, 2026
Forecast Valid:
5pm CST Mar 5, 2026-6pm CDT Mar 12, 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