Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

81°F

27°C

Humidity 88%
Wind Speed Calm
Barometer 30.06 in (1018.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Aug 2:53 am EDT
Extended Forecast for

Key West FL

  • Overnight

    Overnight: Mostly clear, with a low around 82. East wind around 5 mph.

    Low: 82 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. East wind around 5 mph becoming north in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 83. Northwest wind around 10 mph.

    Low: 83 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. North wind around 5 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 82. Northwest wind around 10 mph.

    Low: 82 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 82.

    Low: 82 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 83.

    Low: 83 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 82. East wind around 5 mph.
Tuesday
Sunny, with a high near 92. East wind around 5 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 83. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 91. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 82. Northwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 82.
Friday
Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 83.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 83.
Sunday
Sunny, with a high near 91.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 83. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 91. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.56°N 81.8°W (Elev. 3 ft)
3:15 am EDT Aug 18, 2026
3am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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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