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

86°F

30°C

Humidity 55%
Wind Speed S 25 G 38 mph
Barometer 29.76 in (1006.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Jun 2:54 pm CDT
Extended Forecast for

3 Miles ESE Allison IA

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Breezy, with a south wind around 18 mph, with gusts as high as 29 mph.

    High: 90 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 76. Windy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 94 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy, with a south wind 18 to 25 mph, with gusts as high as 36 mph.

    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 74. Windy.

    Low: 74 °F

    Slight Chance
    T-storms and
    Windy

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Breezy. Chance of precipitation is 70%.

    High: 90 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Breezy, with a south wind around 18 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 76. Windy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Windy, with a south wind 18 to 25 mph, with gusts as high as 36 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Windy.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Breezy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Allison IA
 42.75°N 92.73°W
Last Update:
2:07 pm CDT Jun 20, 2025
Forecast Valid:
3pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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