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

33°F

1°C

Humidity 85%
Wind Speed E 5 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 3 Mar 4:54 am CST
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: A slight chance of drizzle. Mostly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Calm wind becoming east northeast around 5 mph.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Light northeast wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of drizzle or freezing rain before 8am, then a slight chance of drizzle between 8am and noon. Mostly sunny, with a high near 48. East wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Drizzle/Freezing
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Light east wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 55. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Rain likely after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 34. Light southeast wind.
Tuesday
Mostly cloudy, with a high near 42. Calm wind becoming east northeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Light northeast wind.
Wednesday
A slight chance of drizzle or freezing rain before 8am, then a slight chance of drizzle between 8am and noon. Mostly sunny, with a high near 48. East wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 55. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
4:47 am CST Mar 3, 2026
Forecast Valid:
5am CST Mar 3, 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