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 and Windy

84°F

29°C

Humidity 36%
Wind Speed SW 26 G 44 mph
Barometer 29.39 in (994.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 May 1:54 pm CDT
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Windy, with a southwest wind 25 to 28 mph, with gusts as high as 39 mph.

    High: 84 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 58. Windy, with a south southwest wind 13 to 21 mph, with gusts as high as 34 mph.

    Low: 58 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Friday

    Friday: A chance of sprinkles after 4pm. Mostly sunny, with a high near 78. Windy, with a southwest wind 16 to 21 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 78 °F

    Chance
    Sprinkles and
    Windy

  • Friday Night

    Friday Night: A slight chance of showers before 10pm, then a chance of sprinkles between 10pm and midnight. Mostly cloudy, with a low around 50. Windy, with a west wind 20 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Breezy, with a west northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Partly sunny, with a high near 70. Breezy.

    High: 70 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Windy, with a southwest wind 25 to 28 mph, with gusts as high as 39 mph.
Tonight
Mostly clear, with a low around 58. Windy, with a south southwest wind 13 to 21 mph, with gusts as high as 34 mph.
Friday
A chance of sprinkles after 4pm. Mostly sunny, with a high near 78. Windy, with a southwest wind 16 to 21 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
A slight chance of showers before 10pm, then a chance of sprinkles between 10pm and midnight. Mostly cloudy, with a low around 50. Windy, with a west wind 20 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 66. Breezy, with a west northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 70. Breezy.
Monday Night
Showers, mainly after 1am. Low around 55. Breezy. Chance of precipitation is 80%.
Tuesday
Showers. High near 71. Breezy. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 64. Breezy.
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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:
12:18 pm CDT May 15, 2025
Forecast Valid:
2pm CDT May 15, 2025-6pm CDT May 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation