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

44°F

7°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Apr 1:54 am CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Clear, with a low around 38. Northwest wind around 6 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 59. Northwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. North northeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 56. North wind 7 to 9 mph.

    High: 56 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. North northeast wind around 6 mph becoming light and variable.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Windy. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms and
    Windy

Detailed Forecast

Overnight
Clear, with a low around 38. Northwest wind around 6 mph.
Thursday
A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 59. Northwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. North northeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 56. North wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 38. North northeast wind around 6 mph becoming light and variable.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Windy. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 59. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly 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:
1:26 am CDT Apr 9, 2026
Forecast Valid:
2am CDT Apr 9, 2026-6pm CDT Apr 15, 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