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

35°F

2°C

Humidity 82%
Wind Speed S 9 mph
Barometer 29.84 in (1011.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Mar 2:54 am CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 35. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 67. South southwest wind around 9 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. South wind around 7 mph becoming east northeast after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 64. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Sunny then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 60%.

    Low: 34 °F

    Chance Rain
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain before 1pm, then a slight chance of snow. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 60%.

    High: 42 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Blustery.

    Low: 25 °F

    Mostly Clear
    and Blustery
    then Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 35. South southwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 62. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 43. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 67. South southwest wind around 9 mph.
Monday Night
Mostly clear, with a low around 43. South wind around 7 mph becoming east northeast after midnight.
Tuesday
A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 64. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 60%.
Wednesday
Snow likely, possibly mixed with rain before 1pm, then a slight chance of snow. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 25. Blustery.
Thursday
Partly sunny, with a high near 49. Breezy.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Breezy.
Friday
Mostly cloudy, with a high near 49. Breezy.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly cloudy, with a high near 43.
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:
12:27 am CST Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 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