Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Mostly Cloudy

80°F

27°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Jun 7:54 am CDT
Extended Forecast for

Cedar Falls IA

Extreme Heat Warning June 30, 08:25am until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 08:25am until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Today

    High: 94 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a low around 74. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 100. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm.  Partly cloudy, with a low around 73. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 91. South southwest wind around 9 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Partly cloudy, with a low around 72. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. South southwest wind 10 to 14 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Partly cloudy, with a low around 73. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South southwest wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 72. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Independence Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Cedar Falls IA
 42.53°N 92.44°W
7:47 am CDT Jun 30, 2026
8am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
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Additional Resources

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