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

56°F

13°C

Humidity 42%
Wind Speed N 15 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 31 Mar 6:54 pm CDT
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. North wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 50. Breezy, with an east wind 13 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 38. Breezy, with an east wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 38 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 65. Breezy, with an east southeast wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Breezy, with a west wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Slight Chance
    T-storms then
    Rain Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. Breezy. Chance of precipitation is 80%.

    Low: 36 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 45. Windy.

    High: 45 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Windy.

    Low: 29 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. North wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 50. Breezy, with an east wind 13 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 38. Breezy, with an east wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm. High near 65. Breezy, with an east southeast wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Partly cloudy, with a low around 35. Breezy, with a west wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Friday
A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. Breezy. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 45. Windy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 57.
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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:
6:22 pm CDT Mar 31, 2026
Forecast Valid:
7pm CDT Mar 31, 2026-6pm CDT Apr 7, 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