National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

60°F

16°C

Humidity 90%
Wind Speed S 14 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Mar 6:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Rain and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 36. Breezy, with a south wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 46. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 46 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 36. Breezy, with a south wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 46. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 45. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 39.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 56.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
5:16 pm CST Mar 6, 2026
Forecast Valid:
7pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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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