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

64°F

18°C

Humidity 93%
Wind Speed SW 7 mph
Barometer 29.68 in (1004.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 14 Apr 4:54 am CDT
Extended Forecast for

Waterloo IA

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. West southwest wind 6 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Patchy Fog
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West northwest wind 7 to 10 mph becoming south southwest in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 74. Southwest wind around 9 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.

    High: 79 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. Breezy. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A chance of rain showers, mixing with snow after 10am, then gradually ending. Partly sunny, with a high near 53. Windy. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. West southwest wind 6 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West northwest wind 7 to 10 mph becoming south southwest in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. Southwest wind around 9 mph.
Thursday Night
Mostly clear, with a low around 55.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. Breezy. Chance of precipitation is 80%.
Saturday
A chance of rain showers, mixing with snow after 10am, then gradually ending. Partly sunny, with a high near 53. Windy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
3:57 am CDT Apr 14, 2026
Forecast Valid:
5am CDT Apr 14, 2026-6pm CDT Apr 20, 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