Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Charleston, SC
051
FNUS52 KCHS 201820
FWFCHS
Fire Weather Planning Forecast for SE South Carolina and SE Georgia
National Weather Service Charleston SC
220 PM EDT Fri Mar 20 2026
.DISCUSSION...
High pressure will prevail through the weekend. A backdoor cold
front will drop through the area early next week, followed by
more high pressure.
SCZ045-210800-
Inland Berkeley-
220 PM EDT Fri Mar 20 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Min/Max Temp 50 84 59 87
Max/Min RH % 83 38 85 35
Wind 20ft/early(mph) Lgt/Var SW 4 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 3 W 4 Lgt/Var SW 5 G15
Inversion 1900 1000 1900 1000
Dispersion Very Poor Very Poor
Max ADI Early 2 Very Poor 35 Fair 1 Very Poor 35 Fair
Max ADI Late 2 Very Poor 76 Good 1 Very Poor 137 Very Good
Max LVORI Early 4 3 4 5
Max LVORI Late 4 1 4 1
Mixing Hgt(ft-agl) 400 5100 400 6200
Transport Wind (mph) SW 3 W 14 SW 2 W 22
Vent Rate (mph-ft) 1200 71400 800 136400
DSI 3 3
Turner Stability 6 2 6 2
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. Maximum RH
71 percent. Southwest winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the upper 80s. Minimum RH 41 percent.
West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy. Cooler. Lows in the mid 50s.
Maximum RH 60 percent. North winds 5 to 10 mph.
.TUESDAY...Mostly sunny. Much cooler. Highs in the mid 60s.
Minimum RH 36 percent. Northeast winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the upper 40s. Maximum RH 92 percent. East winds
5 to 10 mph.
.WEDNESDAY...Mostly sunny with a 20 percent chance of showers.
Highs around 70. Minimum RH 58 percent. East winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Maximum
RH 95 percent. East winds around 5 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Minimum RH 47 percent.
--
Charleston-
220 PM EDT Fri Mar 20 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Min/Max Temp 51 82 60 85
Max/Min RH % 87 41 85 42
Wind 20ft/early(mph) S 4 W 6 G17 SW 4 W 4
Wind 20ft/late(mph) SW 5 G15 W 7 G15 SW 4 SW 8 G18
Inversion 1900 1000 1900 1000
Dispersion Poor Poor
Max ADI Early 3 Very Poor 28 Fair 3 Very Poor 25 Fair
Max ADI Late 3 Very Poor 48 Gen Good 3 Very Poor 63 Good
Max LVORI Early 5 4 4 4
Max LVORI Late 5 1 4 1
Mixing Hgt(ft-agl) 400 4600 300 4900
Transport Wind (mph) SW 6 W 14 SW 6 SW 16
Vent Rate (mph-ft) 2400 64400 1800 78400
DSI 2 2
Turner Stability 6 2 6 2
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Maximum RH
76 percent. Southwest winds 10 to 15 mph.
.MONDAY...Sunny. Highs in the lower 80s. Minimum RH 51 percent.
West winds 10 to 15 mph.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
showers and thunderstorms. Lows in the mid 50s. Maximum RH
73 percent. North winds 20 to 25 mph.
.TUESDAY...Breezy. Mostly sunny. Cooler. Highs in the mid 60s.
Minimum RH 48 percent. Northeast winds 20 to 25 mph.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s. Maximum RH 94 percent. Northeast
winds 15 to 20 mph.
.WEDNESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the upper 60s. Minimum RH 67 percent. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Maximum RH
95 percent. East winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Minimum RH
58 percent. East winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Maximum RH
99 percent. South winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Minimum RH 57 percent.
Southwest winds 5 to 10 mph.
$$