FNUS52 KCAE 180655 FWFCAE Fire Weather Planning Forecast for Central South Carolina and East Central Georgia National Weather Service Columbia SC 255 AM EDT Mon May 18 2026 .DISCUSSION... Above normal daytime temperatures persist through Wednesday with southerly surface flow continually bringing in low level moisture. Minimum RH values will generally fall to between 30 and 35 percent through mid-week, then a slight decrease in temperatures coupled with a modest increase in moisture will boost these values above 40 percent Thursday into the weekend. It should remain dry through Wednesday, with the next chance at rain returning Thursday at the earliest. Surface winds will generally favor south to southeast at less than 15 mph through Thursday. Fog potential tonight: Patchy fog possible tonight, especially near rivers and lakes. GAZ040-063-064-SCZ018-025-182015- Lincoln-McDuffie-Columbia-McCormick-Edgefield- 255 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip 0 0 0 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Max/Min Temp 93 63 92 Min/Max RH 35 98 35 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Inversion 69F/8am 8pm 70F/9am Dispersion None Very Poor None Max ADI Early 26 Fair 82 Good 16 Gen Poor Max ADI Late 83 Good 5 Very Poor 74 Good Max LVORI Early 7 3 7 Max LVORI Late 1 7 2 Mixing Height 6320 7030 Transport Wind S 12 S 9 Ventilation Rate 75840 63270 DSI 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Maximum RH 93 percent. Light winds. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Minimum RH 37 percent. Light winds. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Maximum RH 90 percent. Light winds. .THURSDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Minimum RH 44 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .FRIDAY...Mostly cloudy with showers likely. Highs in the upper 80s. Minimum RH 57 percent. East winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Maximum RH 97 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 57 percent. Light winds. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .SUNDAY...Partly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 56 percent. Light winds. $$ SCZ020-021-026-182015- Newberry-Fairfield-Saluda- 255 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Clear Mclear Precip Type None None None Chance Precip 0 0 0 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Max/Min Temp 92 63 91 Min/Max RH 33 96 31 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Inversion 69F/8am 8pm 70F/9am Dispersion None Very Poor None Max ADI Early 27 Fair 86 Good 19 Gen Poor Max ADI Late 83 Good 6 Very Poor 85 Good Max LVORI Early 6 3 6 Max LVORI Late 1 6 2 Mixing Height 6620 7480 Transport Wind S 10 S 10 Ventilation Rate 66200 74800 DSI 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Maximum RH 90 percent. South winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Minimum RH 35 percent. South winds around 5 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Maximum RH 88 percent. Light winds. .THURSDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Minimum RH 43 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 60s. Maximum RH 97 percent. East winds around 5 mph. .FRIDAY...Mostly cloudy with showers likely. Highs in the mid 80s. Minimum RH 60 percent. East winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 60s. Maximum RH 96 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. South winds around 5 mph. $$ GAZ065-077-SCZ030-035-041-182015- Richmond-Burke-Aiken-Barnwell-Bamberg- 255 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip 0 0 0 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Max/Min Temp 92 62 92 Min/Max RH 36 100 34 Wind 20ft/early(mph) Lgt/Var SE 6 Lgt/Var Wind 20ft/late(mph) SE 5 Lgt/Var Lgt/Var Inversion 71F/9am 8pm 69F/9am Dispersion None Very Poor None Max ADI Early 28 Fair 82 Good 21 Fair Max ADI Late 81 Good 5 Very Poor 86 Good Max LVORI Early 8 4 8 Max LVORI Late 1 8 2 Mixing Height 6450 7360 Transport Wind SE 13 SE 10 Ventilation Rate 83850 73600 DSI 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. Maximum RH 99 percent. Southeast winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Minimum RH 34 percent. Light winds. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 95 percent. Southeast winds around 5 mph. .THURSDAY...Mostly sunny with a chance of showers. Highs in the lower 90s. Minimum RH 41 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 97 percent. Southeast winds around 5 mph. .FRIDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 53 percent. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 97 percent. Southeast winds around 5 mph. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 54 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .SUNDAY...Partly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 54 percent. South winds around 5 mph. $$ SCZ016-022-029-115-116-182015- Chesterfield-Kershaw-Lee-Northern Lancaster-Southern Lancaster- 255 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip 0 0 0 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Max/Min Temp 93 63 92 Min/Max RH 33 98 30 Wind 20ft/early(mph) Lgt/Var S 5 Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Inversion 69F/8am 8pm 70F/9am Dispersion None Very Poor None Max ADI Early 31 Fair 78 Good 24 Fair Max ADI Late 80 Good 5 Very Poor 81 Good Max LVORI Early 7 3 7 Max LVORI Late 1 7 2 Mixing Height 6520 7310 Transport Wind S 10 S 9 Ventilation Rate 65200 65790 DSI 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. Maximum RH 94 percent. South winds around 5 mph. .WEDNESDAY...Sunny. Highs in the mid 90s. Minimum RH 32 percent. Southwest winds around 5 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Maximum RH 90 percent. South winds around 5 mph. .THURSDAY...Mostly sunny with showers likely and a chance of thunderstorms. Highs in the lower 90s. Minimum RH 41 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 60s. Maximum RH 98 percent. Southeast winds around 5 mph. .FRIDAY...Mostly cloudy with showers likely. Highs in the mid 80s. Minimum RH 58 percent. East winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .SATURDAY...Showers and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 56 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 97 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 55 percent. South winds around 5 mph. $$ SCZ027-028-031-037-038-135>137-182015- Lexington-Richland-Sumter-Calhoun-Clarendon- Northwestern Orangeburg-Central Orangeburg- Southeastern Orangeburg- 255 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip 0 0 0 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Max/Min Temp 94 63 93 Min/Max RH 36 99 33 Wind 20ft/early(mph) Lgt/Var SE 6 Lgt/Var Wind 20ft/late(mph) SE 5 Lgt/Var Lgt/Var Inversion 72F/9am 8pm 70F/9am Dispersion None Very Poor None Max ADI Early 27 Fair 76 Good 21 Fair Max ADI Late 80 Good 5 Very Poor 85 Good Max LVORI Early 8 4 8 Max LVORI Late 1 8 2 Mixing Height 6700 7570 Transport Wind S 12 SE 10 Ventilation Rate 80400 75700 DSI 3 3 3 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. Maximum RH 96 percent. Southeast winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Minimum RH 35 percent. Light winds. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 91 percent. South winds around 5 mph. .THURSDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Minimum RH 42 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 97 percent. Light winds. .FRIDAY...Showers and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 58 percent. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 93 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 57 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 94 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 56 percent. South winds around 5 mph. $$ .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation above normal. $$