National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

66°F

19°C

Humidity 45%
Wind Speed S 17 G 26 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 4 Nov 2:54 pm CST
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. South wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a south wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 43 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 56 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. Breezy, with a south wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 60. Breezy.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 65. South wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 43. Breezy, with a south wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm.
Thursday
Partly sunny, with a high near 57. Breezy, with a south wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 60. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Rain likely, mainly after noon. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 20.
Monday
Mostly sunny, with a high near 38.
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:
2:26 pm CST Nov 4, 2025
Forecast Valid:
3pm CST Nov 4, 2025-6pm CST Nov 10, 2025
 
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