Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Overcast

70°F

21°C

Humidity 90%
Wind Speed N 6 mph
Barometer 29.79 in (1008.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 12:54 pm CDT
Extended Forecast for

Denver IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 77. North wind 6 to 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West northwest wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. West wind 6 to 10 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 67. South wind 7 to 10 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 89. Windy, with a south wind 11 to 21 mph, with gusts as high as 30 mph.

    High: 89 °F

    Slight Chance
    T-storms and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

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

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy.

    Low: 76 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy.

    High: 94 °F

    Sunny and
    Windy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 85. West wind 6 to 10 mph.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 67. South wind 7 to 10 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Windy, with a south wind 11 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 76. Windy.
Saturday
Sunny, with a high near 95. Windy.
Saturday Night
Clear, with a low around 76. Breezy.
Sunday
Sunny, with a high near 94. Windy.
Sunday Night
Mostly clear, with a low around 74. Windy.
Monday
A 30 percent chance of showers. Sunny, with a high near 92. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Denver IA
 42.68°N 92.34°W
12:51 pm CDT Jun 18, 2025
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

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