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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Homestead Air Reserve Base (KHST)

Lat: 25.49°NLon: 80.37°WElev: 16ft.

Partly Cloudy

91°F

33°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 22 Aug 10:55 am EDT
Extended Forecast for

Key Largo FL

  • Today

    Today: A slight chance of showers and thunderstorms. Sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 89. East wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 83. Chance of precipitation is 30%.

    Low: 83 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.

    Low: 83 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 10 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 89. East wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 83. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 89. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 84. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Largo FL
 25.08°N 80.47°W (Elev. 0 ft)
Last Update:
11:15 am EDT Aug 22, 2026
Forecast Valid:
11am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation