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.

Overcast

35°F

2°C

Humidity 76%
Wind Speed E 7 mph
Barometer 30.19 in (1023.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Mar 6:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: A 20 percent chance of rain after 11pm. Cloudy, with a steady temperature around 35. Southeast wind around 6 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 10am. Cloudy, with a high near 43. East southeast wind around 5 mph becoming light and variable. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Partly cloudy, with a low around 33. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 49. East wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39. East wind 3 to 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 53. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Rain

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
A 20 percent chance of rain after 11pm. Cloudy, with a steady temperature around 35. Southeast wind around 6 mph.
Tuesday
A 30 percent chance of rain, mainly before 10am. Cloudy, with a high near 43. East southeast wind around 5 mph becoming light and variable. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Partly cloudy, with a low around 33. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 49. East wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. East wind 3 to 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 53. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 41.
Friday
Rain, with thunderstorms also possible after noon. High near 64. Chance of precipitation is 90%.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 62. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
2:48 pm CST Mar 2, 2026
Forecast Valid:
7pm CST Mar 2, 2026-6pm CDT Mar 9, 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