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

65°F

18°C

Humidity 39%
Wind Speed S 14 G 21 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 May 8:54 am CDT
Extended Forecast for

5 Miles SW Tripoli IA

  • Today

    Today: Increasing clouds, with a high near 77. Windy, with a south wind 13 to 22 mph, with gusts as high as 31 mph.

    High: 77 °F

    Increasing
    Clouds and
    Windy

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 55. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 86. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 56. South wind 6 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 81. East wind 5 to 9 mph becoming north northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 54. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Windy.

    High: 81 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Windy.

    Low: 63 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Windy. Chance of precipitation is 70%.

    High: 83 °F

    Windy. Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 77. Windy, with a south wind 13 to 22 mph, with gusts as high as 31 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 55. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 86. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 56. South wind 6 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 81. East wind 5 to 9 mph becoming north northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 54. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Windy.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Windy.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Windy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. Windy. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 73. Breezy.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Tripoli IA
 42.77°N 92.31°W
Last Update:
8:47 am CDT May 14, 2026
Forecast Valid:
9am CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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