Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Last Update: 428 AM EDT Wed Aug 19 2026

View Nearby Observations

For More Weather Information:

Key West, FL Local Forecast Office

23NM N Smith Shoal Light FL

Marine Zone Forecast


Today
Northwest to north winds 5 to 10 knots. Seas around 1 foot. Wave detail: northwest to north 1 foot at 4 seconds.
Tonight
Northwest winds near 10 knots, becoming northwest to north. Seas 1 to 2 feet. Wave detail: northwest 2 feet at 5 seconds. A slight chance of showers and thunderstorms.
Thursday
Northwest winds near 5 knots. Seas around 1 foot. Wave detail: northwest 1 foot at 5 seconds.
Thursday Night
Northwest to north winds near 5 knots, becoming southeast to south. Seas around 1 foot. A slight chance of showers and thunderstorms.
Friday
Southwest winds near 5 knots. Seas 1 foot or less.
Friday Night
West to northwest winds near 5 knots, becoming southeast. Seas 1 foot or less. A slight chance of showers and thunderstorms.
Saturday
South winds near 5 knots, becoming west in the afternoon. Seas 1 foot or less.
Saturday Night
Northeast winds near 5 knots, becoming southeast to south. Seas 1 foot or less. A slight chance of showers and thunderstorms.
Sunday
Southeast to south winds near 5 knots, becoming north to northeast. Seas 1 foot or less. A slight chance of showers and thunderstorms.
Sunday Night
East winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.



Basemap Options
Click map to change the forecast location
Loading map...
428 AM EDT Wed Aug 19 2026
 
 

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data