National Weather Service United States Department of Commerce

Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

This is the National Weather Service Miami-South Florida page for the Hazardous Weather Outlook (HWO). This product is for South Florida and the adjacent Gulf and Atlantic waters, including Biscayne Bay and Lake Okeechobee. This product represents the threat level (None, Slight, Moderate, or High) for various weather hazards coming across South Florida, valid for the Day 1 period.


Today's Weather Impact Levels
 

Impact Levels

Represents the impact level for various weather hazards common to South Florida and the adjacent local waters. Thresholds are None, Slight, Moderate, or High. These impact levels are designed to provide decision support for the Day 1 period.

Hover over thumbnails below to view larger image.
Coastal Flood
Coastal Flood
Fire Weather
Fire Weather
Flood
Flood
Hail
Hail
Lightning
Lightning
Rip Current
Rip Current
Temperature
Temperature
Tornado
Tornado
Visibility
Visibility
Waterspout
Waterspout
Wave
Wave
Wind
Wind