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.

Overcast

53°F

12°C

Humidity 55%
Wind Speed E 14 mph
Barometer 30.27 in (1025.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 May 10:54 am CDT
Extended Forecast for

Waterloo IA

  • Today

    Today: Mostly cloudy, with a high near 61. East wind around 11 mph, with gusts as high as 18 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. East wind around 11 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. East wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 51. East wind 6 to 11 mph becoming light after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 61. East wind around 11 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 45. East wind around 11 mph, with gusts as high as 18 mph.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. East wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 51. East wind 6 to 11 mph becoming light after midnight. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
6:11 am CDT May 21, 2026
Forecast Valid:
11am CDT May 21, 2026-6pm CDT May 27, 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