Severe Storms & Heavy Rainfall Possible in the Plains; Critical Fire Weather Conditions for Parts of the West

Scattered severe thunderstorms and locally heavy rainfall are possible across portions of the Plains through Sunday. Meanwhile, dry weather and gusty winds will result in critical fire weather conditions across the Great Basin and northern Rockies. Elsewhere, tropical storm Dorian in the Atlantic is expected to slowly strengthen and will likely approach the Lesser Antilles by Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

29°C

85°F

Humidity 77%
Wind Speed SW 11 km/h
Barometer 1013.8 mb (29.94 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index36°C (96°F)
Last update 25 Aug 12:53 am EDT
Extended Forecast for

Marathon FL

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 28. South wind 10 to 15 km/h.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 28 °C

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 33. Southwest wind 15 to 20 km/h.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 33 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 28. Southwest wind around 10 km/h.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 28 °C

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 28. Southwest wind around 10 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 28 °C

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 28. Calm wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 28 °C

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 32. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 28. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 28 °C

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 32. Chance of precipitation is 30%.

    Chance
    Showers

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 28. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 28 °C

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 28. South wind 10 to 15 km/h. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Southwest wind 15 to 20 km/h. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 28. Southwest wind around 10 km/h. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 28. Southwest wind around 10 km/h. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 m)
12:15 am EDT Aug 25, 2019
12am EDT Aug 25, 2019-6pm EDT Aug 30, 2019
 
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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