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.

Overcast

36°F

2°C

Humidity 82%
Wind Speed NW 20 G 29 mph
Barometer 30.33 in (1027.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 6 Apr 7:54 am CDT
Extended Forecast for

Waterloo IA

  • Today

    Today: Mostly cloudy, with a high near 45. North northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. North northwest wind 7 to 11 mph becoming northeast after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 42. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 35. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 67. Windy, with a south wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Windy. Slight
    Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 45. North northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 24. North northwest wind 7 to 11 mph becoming northeast after midnight.
Tuesday
A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 42. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 35. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 67. Windy, with a south wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 62.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 60.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.
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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:
8:37 am CDT Apr 6, 2026
Forecast Valid:
8am CDT Apr 6, 2026-6pm CDT Apr 12, 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