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

36°F

2°C

Humidity 97%
Wind Speed SE 7 mph
Barometer 29.73 in (1007.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 7 Jan 7:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Patchy fog between 10pm and 11pm. Otherwise, increasing clouds, with a low around 33. South wind around 7 mph.

    Low: 33 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Rain, mainly after noon. High near 44. Southeast wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Mostly Cloudy
    then Rain

  • Thursday Night

    Thursday Night: Rain before 3am, then rain likely, possibly mixed with snow. Low around 33. Northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: A slight chance of rain and snow before noon. Partly sunny, with a high near 39. North wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 28. North wind 6 to 8 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 31. Blustery.

    High: 31 °F

    Chance Snow
    and Blustery

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 10pm and 11pm. Otherwise, increasing clouds, with a low around 33. South wind around 7 mph.
Thursday
Rain, mainly after noon. High near 44. Southeast wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 3am, then rain likely, possibly mixed with snow. Low around 33. Northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before noon. Partly sunny, with a high near 39. North wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 28. North wind 6 to 8 mph. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 31. Blustery.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 33.
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:
5:26 pm CST Jan 7, 2026
Forecast Valid:
8pm CST Jan 7, 2026-6pm CST Jan 14, 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