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

5 Miles WSW Dike 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. Windy, with a south southwest wind around 21 mph, with gusts as high as 31 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 38 mph.

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 31 mph.

    Low: 77 °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 37 mph.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    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%.

    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: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Windy, with a south southwest wind around 21 mph, with gusts as high as 31 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 38 mph.
Saturday Night
Mostly clear, with a low around 77. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 31 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 37 mph.
Sunday Night
Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely. 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.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Dike IA
 42.43°N 92.7°W
Last Update:
3:38 am CDT Jun 21, 2025
Forecast Valid:
3am CDT Jun 21, 2025-6pm CDT Jun 27, 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