Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

84°F

29°C

Humidity 43%
Wind Speed W 9 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Jun 5:54 pm CDT
Extended Forecast for

4 Miles WSW Janesville IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

    Tonight: A chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am.  Increasing clouds, with a low around 67. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Mostly Clear
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and noon.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 100. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely and
    Breezy then
    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 103. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 36 mph.

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 77 °F

    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 75. Windy.

    Low: 75 °F

    Slight Chance
    T-storms and
    Windy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 67. South southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 100. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear, with a low around 76. Windy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 103. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 77. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 94. Windy.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Windy.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Janesville IA
 42.62°N 92.55°W
5:57 pm CDT Jun 19, 2025
6pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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