Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

83°F

28°C

Humidity 48%
Wind Speed W 13 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Jun 12:54 pm CDT
Extended Forecast for

4 Miles SSE Allison IA

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

    Juneteenth: Sunny, with a high near 85. West wind 7 to 9 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 67. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely and
    Breezy then
    Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 94. Windy, with a south southwest wind 20 to 24 mph, with gusts as high as 36 mph.

    High: 94 °F

    Sunny and
    Windy

  • Saturday Night

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

    Low: 76 °F

    Clear and
    Windy

  • Sunday

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

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly clear, with a low around 73. Breezy.

    Low: 73 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Juneteenth
Sunny, with a high near 85. West wind 7 to 9 mph.
Tonight
A slight chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 67. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 75. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 94. Windy, with a south southwest wind 20 to 24 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 76. Windy.
Sunday
Sunny, with a high near 94. Windy.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 73. Breezy.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Allison IA
 42.71°N 92.79°W
12:07 pm CDT Jun 19, 2025
1pm CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

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