090
FNUS53 KILX 230731
FWFILX
FIRE WEATHER PLANNING FORECAST FOR CENTRAL/SOUTHEAST ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
231 AM CDT SUN AUG 23 2026
DISCUSSION
GENTLE NORTHWEST WINDS ARE EXPECTED TODAY, BECOMING LIGHT AND
VARIABLE OVERNIGHT. DEEPER MIXING TODAY WILL BRING 50S DEWPOINTS
TO THE SURFACE, THOUGH THE MINIMUM RH WILL ONLY BOTTOM OUT BETWEEN
40-50%. MOSTLY DRY WEATHER WILL CONTINUE THE NEXT FEW DAYS WITH
OUR NEXT CHANCE FOR PRECIPITATION RETURNING ON WEDNESDAY WITH A
COLD FRONT PASSAGE.
ILZ027>031-036>038-232130-
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
INCLUDING THE CITIES OF GALESBURG, TOULON, PEORIA, LACON, EUREKA,
CANTON, PEKIN, BLOOMINGTON, AND NORMAL
231 AM CDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-4) 55 (-4) 79
RH % (24H TREND) 47 (-13) 96 (+1) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5380 4300
1700FT MIXING TEMP 73 72
TRANSPORT WND (MPH) NW 10 N 6
VENT RATE (MPH-FT) 53800 25800
VENT RATE CATEGORY FAIR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 55 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 63 PERCENT. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT. WEST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. MINIMUM RH 58 PERCENT. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. MINIMUM RH 61 PERCENT. EAST WINDS AROUND 5 MPH.
ILZ040>043-047>053-232130-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
CHRISTIAN-MACON-
INCLUDING THE CITIES OF RUSHVILLE, HAVANA, LINCOLN, CLINTON,
BEARDSTOWN, PETERSBURG, WINCHESTER, JACKSONVILLE, SPRINGFIELD,
TAYLORVILLE, AND DECATUR
231 AM CDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (-3) 56 (-4) 81
RH % (24H TREND) 45 (-11) 97 (+2) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5270 4350
1700FT MIXING TEMP 74 73
TRANSPORT WND (MPH) NW 12 N 6
VENT RATE (MPH-FT) 63240 26100
VENT RATE CATEGORY FAIR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 51 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 57 PERCENT. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. MINIMUM RH 55 PERCENT. WEST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. MINIMUM RH 54 PERCENT. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. MINIMUM RH 55 PERCENT. EAST WINDS AROUND 5 MPH.
ILZ044>046-054>057-061-232130-
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF MONTICELLO, CHAMPAIGN, URBANA, DANVILLE,
SULLIVAN, TUSCOLA, CHARLESTON, MATTOON, PARIS, AND SHELBYVILLE
231 AM CDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (-1) 54 (-6) 81
RH % (24H TREND) 44 (-14) 97 (0) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5750 4840
1700FT MIXING TEMP 73 72
TRANSPORT WND (MPH) NW 12 NW 6
VENT RATE (MPH-FT) 69000 29040
VENT RATE CATEGORY FAIR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 52 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. MINIMUM RH 57 PERCENT. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. MINIMUM RH 58 PERCENT. WEST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. MINIMUM RH 56 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. MINIMUM RH 55 PERCENT. EAST WINDS AROUND 5 MPH.
ILZ062-063-066>068-071>073-232130-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF GREENUP, MARSHALL, EFFINGHAM, NEWTON,
ROBINSON, FLORA, OLNEY, AND LAWRENCEVILLE
231 AM CDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (-2) 56 (-6) 81
RH % (24H TREND) 40 (-10) 98 (+1) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5850 4910
1700FT MIXING TEMP 75 73
TRANSPORT WND (MPH) NW 12 W 6
VENT RATE (MPH-FT) 70200 29460
VENT RATE CATEGORY GOOD POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 46 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. MINIMUM RH 51 PERCENT. LIGHT WINDS.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 51 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 50 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 49 PERCENT. EAST WINDS AROUND 5 MPH.
NMA
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