National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

A Few Clouds

87°F

31°C

Humidity 72%
Wind Speed S 16 G 28 mph
Barometer 29.75 in (1006.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jun 7:54 pm CDT
Extended Forecast for

Cedar Falls IASimilar City Names

Extreme Heat Warning June 29, 08:04pm until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 08:04pm until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Slight Chance
    T-storms and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Partly cloudy, with a low around 75. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 92 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 75. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Windy, with a south southwest wind 13 to 21 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Partly cloudy, with a low around 75. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 92. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 75. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Falls IASimilar City Names
 42.53°N 92.47°W
Last Update:
5:56 pm CDT Jun 29, 2026
Forecast Valid:
8pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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