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 and Breezy

85°F

29°C

Humidity 68%
Wind Speed S 25 G 36 mph
Barometer 29.67 in (1003.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Jun 9:54 am CDT
Extended Forecast for

3 Miles NNE Waterloo Municipal Airport IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 103. Windy, with a south southwest wind 23 to 25 mph, with gusts as high as 36 mph.

    High: 94 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Breezy. Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 103. Windy, with a south southwest wind 23 to 25 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south wind 18 to 24 mph, with gusts as high as 36 mph.
Sunday Night
Mostly clear, with a low around 75. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Waterloo Municipal Airport IA
 42.59°N 92.38°W
Last Update:
9:57 am CDT Jun 21, 2025
Forecast Valid:
10am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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