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

76°F

24°C

Humidity 91%
Wind Speed SE 3 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 1 Sep 9:54 pm CDT
Extended Forecast for

2 Miles WNW Waterloo Municipal Airport IA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Southeast wind around 7 mph becoming west northwest after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 8am. Some of the storms could produce heavy rainfall. Partly sunny, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 10 mph becoming west southwest in the morning.

    High: 90 °F

    Heavy Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. Southeast wind around 7 mph becoming west northwest after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms before 8am. Some of the storms could produce heavy rainfall. Partly sunny, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 10 mph becoming west southwest in the morning.
Wednesday Night
A slight chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Labor Day
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Waterloo Municipal Airport IA
 42.55°N 92.44°W
Last Update:
10:02 pm CDT Sep 1, 2026
Forecast Valid:
10pm CDT Sep 1, 2026-6pm CDT Sep 8, 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