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 75%
Wind Speed W 5 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 8:54 am CDT
Extended Forecast for

Waterloo IA

  • Today

    Today: Sunny, with a high near 78. Northwest wind 6 to 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 57. Calm wind becoming east around 5 mph after midnight.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 11am and 3pm. Mostly cloudy, with a high near 70. East wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 54. Northeast wind 6 to 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 76. North northeast wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Northwest wind 6 to 8 mph.
Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 57. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers likely, mainly between 11am and 3pm. Mostly cloudy, with a high near 70. East wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 54. Northeast wind 6 to 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 76. North northeast wind around 7 mph.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.51°N 92.35°W
Last Update:
6:56 am CDT Jun 20, 2026
Forecast Valid:
9am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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