Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

A Few Clouds

87°F

31°C

Humidity 70%
Wind Speed SE 12 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 9 Aug 8:53 am EDT
Extended Forecast for

Key Biscayne FL

Heat Advisory August 9, 11:00am until August 9, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A chance of showers and thunderstorms between 4pm and 5pm.  Sunny, with a high near 88. Heat index values as high as 103. East wind around 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 84. Breezy, with an east wind 14 to 17 mph.

    Low: 84 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday

    Monday: Sunny, with a high near 89. Heat index values as high as 105. Southeast wind 11 to 14 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 84. East wind around 15 mph.

    Low: 84 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. East wind around 11 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84. East wind 9 to 11 mph.

    Low: 84 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Southeast wind 7 to 10 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 83. Southeast wind around 9 mph.

    Low: 83 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Southeast wind 5 to 10 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 88. Heat index values as high as 103. East wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 84. Breezy, with an east wind 14 to 17 mph.
Monday
Sunny, with a high near 89. Heat index values as high as 105. Southeast wind 11 to 14 mph.
Monday Night
Mostly clear, with a low around 84. East wind around 15 mph.
Tuesday
Sunny, with a high near 89. East wind around 11 mph.
Tuesday Night
Mostly clear, with a low around 84. East wind 9 to 11 mph.
Wednesday
Sunny, with a high near 89. Southeast wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 83. Southeast wind around 9 mph.
Thursday
Sunny, with a high near 89. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 84.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 84.
Saturday
Sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
4:06 am EDT Aug 9, 2026
9am EDT Aug 9, 2026-6pm EDT Aug 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database