National Weather Service United States Department of Commerce

Lingering Heavy Rain Threat Along the Central Gulf Coast; Rain in the Pacific Northwest; Critical Fire Weather

Locally heavy rainfall may bring flash flooding along the central Gulf Coast today and Saturday from southeast Louisiana to the Florida Panhandle. A strong cold front will bring heavy rain with the arrival of cooler temperatures to the Northwest through the weekend. Widespread critical fire weather due to dry, gusty winds is forecast from the Great Basin into the northern Plains. Read More >

NWS Greenville-Spartanburg Criteria for Non-Precipitation Watches/Warnings/Advisories
Hazard Type Watch/Warning Name
Criteria
Advisory Name
Criteria
Heat Excessive Heat Warning
Heat Index 110 or greater
Heat Advisory
Heat Index 105 or greater but less than 110
Wind (Non-Thunderstorm) High Wind Warning
Sustained winds higher than 40 mph and/or frequent gusts greater than 57 mph

Wind Advisory
Sustained Winds of 31-40 mph, and/or frequent gusts of 46-57 mph

Frost Freeze Freeze Warning
Low temperature of 32 degrees or less during the Growing Season*
Frost Advisory
Scattered to widespread frost is forecast during the Growing Season*
Fog N/A Dense Fog Advisory
Fog causing widespread visibility of 1/4 mile or less