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

79°F

26°C

Humidity 79%
Wind Speed S 13 G 23 mph
Barometer 29.68 in (1004.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 2:54 am CDT
Extended Forecast for

Waverly IA

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

  • Overnight

    Overnight: Mostly clear, with a low around 76. Breezy, with a south wind 18 to 20 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 102. Windy, with a south southwest wind 21 to 24 mph, with gusts as high as 36 mph.

    High: 93 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: 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 93. Heat index values as high as 101. Windy, with a south wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 93 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 31 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Breezy. Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Breezy, with a south wind 18 to 20 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 102. Windy, with a south southwest wind 21 to 24 mph, with gusts as high as 36 mph.
Saturday Night
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 93. Heat index values as high as 101. 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. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 31 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 67. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waverly IA
 42.73°N 92.46°W
Last Update:
3:38 am CDT Jun 21, 2025
Forecast Valid:
3am 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