Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Watches, Warnings, Advisories and Statements

*Note: These products are the latest ones issued by the NWS and may not necessarily be in effect at the present time.

Routine Text Forecasts

Greenville-Spartanburg Forecast Program Notes

Zone Forecasts

The NWS office in Greenville-Spartanburg issues a 7 day forecast for each of 46 counties in our county warning and forecast area (abbreviated CWA or, sometimes, CWFA), which includes upstate South Carolina, western North Carolina and extreme northeast Georgia. This product is entitled "Zone Forecast Product" and typically issued eight times daily at approximately 1 am, 4 am, 7 am, 10 am, 1 pm, 3 pm, 4 pm, 7 pm, and 10 pm (note: all times EST). Here is a map that displays the geography of our forecast zones, the zone names, and their assigned zone codes (preceded by "Z" in the map).

Long fused watches, warnings and advisories

The NWS office in Greenville-Spartanburg issues Watches for Floods, Flash Floods and Winter Storms. We issue Warnings for Frosts & Freezes (during the growing season), High Wind, Wind Chill, Excessive Heat, and Tropical Storms. Issuance criteria can be found here. We also issue advisories for Dense Fog, Winter Weather, High Wind, Wind Chill and Excessive Heat. Criteria can be found here.

Short fused weather warnings

The NWS office in Greenville-Spartanburg issues short fused warnings for tornadoes, severe thunderstorms, flooding and flash flooding for our CWA in Upstate South Carolina, western North Carolina, and northeast Georgia.

Area Forecast Discussion

The NWS office in Greenville-Spartanburg issues an Area Forecast Discussion (AFD) several times a day. The primary function of the AFD is to explain the technical and scientific basis for forecast decisions and accounts for coordination among adjacent field offices and national centers. This product also informs other government agencies, private sector meteorologists, the media and the public about the short and medium range forecast concerns.

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