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

Southwest Monsoon Flooding

Monsoonal conditions in the Southwest will lead to threats of flash flooding through the weekend. Severe thunderstorms will be possible through Friday night in the northern tier of the country and Saturday afternoon in the vicinity of the Southern Great Lakes. Warm conditions have prompted Heat Advisories for portions of the Midwest and ArkLaMiss this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Mostly Cloudy

80°F

27°C

Humidity 87%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Jul 1:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 79. Southwest wind around 9 mph.

    Heavy Rain

    Low: 79 °F

  • Saturday

    Saturday: Showers and thunderstorms likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rain. High near 86. South wind 9 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 79. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 79 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Mostly sunny, with a high near 85. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.

    Heavy Rain

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 80. Southeast wind around 10 mph. Chance of precipitation is 60%.

    Heavy Rain

    Low: 80 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 85. Southeast wind around 10 mph. Chance of precipitation is 70%.

    Heavy Rain

    High: 85 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 81. Southeast wind around 10 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 81 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 80. South wind around 7 mph. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 80 °F

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 79. Southwest wind around 9 mph.
Saturday
Showers and thunderstorms likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rain. High near 86. South wind 9 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 79. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Mostly sunny, with a high near 85. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 80. Southeast wind around 10 mph. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 85. Southeast wind around 10 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 81. Southeast wind around 10 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 80. South wind around 7 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 81. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
2:31 am EDT Jul 24, 2021
Forecast Valid:
2am EDT Jul 24, 2021-6pm EDT Jul 30, 2021
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation