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

42°F

6°C

Humidity 41%
Wind Speed SE 14 G 23 mph
Barometer 30.38 in (1029.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 7 Apr 1:54 pm CDT
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Southeast wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 38 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 68. Windy, with a south southeast wind 20 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Windy.
    Decreasing
    Clouds then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 38. West southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Southeast wind 11 to 13 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 68. Windy, with a south southeast wind 20 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 38. West southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 37.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 61.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. Breezy. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 77. Breezy.
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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:
1:26 pm CDT Apr 7, 2026
Forecast Valid:
2pm CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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