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.

Mostly Cloudy

69°F

21°C

Humidity 90%
Wind Speed N 7 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 4:54 am CDT
Extended Forecast for

2 Miles NNW Evansdale IA

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

  • Overnight

    Overnight: Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 70. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 10am. Some of the storms could produce heavy rainfall. Cloudy through mid morning, then gradual clearing, with a high near 91. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 91 °F

    Heavy Rain
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Breezy, with a south wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 104. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 96 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy, with a south southwest wind around 18 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 95. Windy.

    High: 95 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 75. Breezy. Chance of precipitation is 20%.

    Low: 75 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 70. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly before 10am. Some of the storms could produce heavy rainfall. Cloudy through mid morning, then gradual clearing, with a high near 91. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Mostly clear, with a low around 77. Breezy, with a south wind 16 to 18 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 104. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 76. Breezy, with a south southwest wind around 18 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 95. Windy.
Sunday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 75. Breezy. Chance of precipitation is 20%.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92.
Monday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Evansdale IA
 42.49°N 92.29°W
Last Update:
3:34 am CDT Jun 20, 2025
Forecast Valid:
5am 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