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.

A Few Clouds and Breezy

45°F

7°C

Humidity 68%
Wind Speed S 21 G 29 mph
Barometer 29.96 in (1015.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 8 Apr 7:54 am CDT
Extended Forecast for

Waterloo IA

Wind Advisory April 8, 10:00am until April 8, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 70. Windy, with a south wind 20 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Windy. Mostly
    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 37. West southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Northwest wind around 6 mph.

    High: 57 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. North northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57. North wind around 7 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 60. Chance of precipitation is 40%.

    High: 60 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely and
    Windy

Detailed Forecast

Today
A chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 70. Windy, with a south wind 20 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 37. West southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Northwest wind around 6 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. North northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly sunny, with a high near 57. North wind around 7 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61. Breezy.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 77. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
6:46 am CDT Apr 8, 2026
Forecast Valid:
8am CDT Apr 8, 2026-6pm CDT Apr 14, 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