Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.

Pacific tropical moisture wrapping into a storm over the southwest U.S. will continue a multi-day heavy rainfall event this week that will extend into the Midwest and southern Plains. Considerable flash flooding is possible across portions of New Mexico and west Texas today through Wednesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73° N Lon: 81.05° W Elev: 13 ft.

Fair

85°F

29°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 29 Sep 9:53 am EDT
Detailed forecast for

Monroe Middle Keys

Today
Showers likely with a chance of thunderstorms. Highs in the mid 80s. Northeast to east winds 5 to 10 mph, becoming east to southeast. Chance of rain 70 percent.
Tonight
Showers likely with a chance of thunderstorms. Lows in the upper 70s. East to southeast winds 5 to 10 mph, increasing to near 10 mph. Chance of rain 60 percent.
Wednesday
Showers likely with a chance of thunderstorms. Highs in the upper 80s. East winds 10 to 15 mph, increasing to near 15 mph. Chance of rain 70 percent.
Wednesday Night
Showers likely with a chance of thunderstorms. Breezy. Lows in the upper 70s. East winds 15 to 20 mph. Chance of rain 70 percent.
Thursday
Showers likely with a chance of thunderstorms. Breezy. highs in the upper 80s. East winds 15 to 20 mph. Chance of rain 70 percent.
Thursday Night
Showers likely with a chance of thunderstorms. Breezy. Lows near 80. Chance of rain 60 percent.
Friday
Mostly cloudy with a chance of showers and thunderstorms. Breezy. Highs in the upper 80s. Chance of rain 50 percent.
Friday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Chance of rain 40 percent.
Saturday And Saturday Night
Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows near 80. Chance of rain 30 percent.
Sunday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
Sunday Night
Partly cloudy with a chance of showers and thunderstorms. Lows near 80. Chance of rain 30 percent.
Monday
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.



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400 AM EDT Tue Sep 29 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database