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

41°F

5°C

Humidity 89%
Wind Speed Calm
Barometer 29.72 in (1006.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Mar 1:54 am CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Mostly clear, with a low around 39. North wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East wind 7 to 11 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 33. East northeast wind 11 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 50%.

    Low: 34 °F

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 61. East wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 33. East northeast wind 11 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 27. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 52. Breezy.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 46. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 50.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 60%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 38. Windy. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 15. Blustery.
Monday
Mostly sunny, with a high near 29.
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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:
1:26 am CDT Mar 10, 2026
Forecast Valid:
2am CDT Mar 10, 2026-6pm CDT Mar 16, 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