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

69°F

21°C

Humidity 81%
Wind Speed E 8 mph
Barometer 29.59 in (1001.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Apr 6:54 pm CDT
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 56. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 71. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. South wind 6 to 8 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 75. West northwest wind 6 to 9 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. South southeast wind 7 to 9 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 39. Breezy. Chance of precipitation is 80%.

    Low: 39 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 50. Windy.

    High: 50 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 56. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 71. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. South wind 6 to 8 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 75. West northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 57. South southeast wind 7 to 9 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 39. Breezy. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 50. Windy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 68. 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:
6:52 pm CDT Apr 14, 2026
Forecast Valid:
7pm CDT Apr 14, 2026-6pm CDT Apr 21, 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