534
FNUS53 KILX 120721
FWFILX
FIRE WEATHER PLANNING FORECAST FOR CENTRAL/SOUTHEAST ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
221 AM CDT SAT SEP 12 2026
DISCUSSION
A COLD FRONT WILL SLOWLY PUSH INTO CENTRAL ILLINOIS TODAY. LIGHT
SOUTH WINDS AHEAD OF THE FRONT WITH GRADUALLY VEER TO
NORTHWESTERLY BY THIS EVENING. LITTLE IF ANY PRECIP IS EXPECTED
WITH FRONTAL PASSAGE. TEMPERATURES WILL WARM WELL INTO THE 80S
AHEAD OF THE FRONT THIS AFTERNOON, WITH A FEW SPOTS NEAR AND SOUTH
OF I-72 TAGGING 90. RH VALUES WILL DIP TO BETWEEN 45 TO 55 PERCENT
FOR MUCH OF CENTRAL ILLINOIS WITH SLIGHTLY HIGHER VALUES UP TO 65
PERCENT NORTH OF THE ILLINOIS RIVER.
ILZ027>031-036>038-122115-
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
INCLUDING THE CITIES OF GALESBURG, TOULON, PEORIA, LACON, EUREKA,
CANTON, PEKIN, BLOOMINGTON, AND NORMAL
221 AM CDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 87 (+5) 59 (-4) 78
RH % (24H TREND) 55 (-5) 92 (-8) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 4400 3190
1700FT MIXING TEMP 81 75
TRANSPORT WND (MPH) W 10 N 12
VENT RATE (MPH-FT) 44000 38280
VENT RATE CATEGORY POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. MINIMUM RH 59 PERCENT. EAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. MINIMUM RH 61 PERCENT. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. MINIMUM
RH 70 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
MINIMUM RH 67 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS AROUND 80. MINIMUM RH 62 PERCENT. NORTHEAST WINDS AROUND
5 MPH.
ILZ040>043-047>053-122115-
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
221 AM CDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 89 (+6) 63 (-1) 82
RH % (24H TREND) 49 (-9) 95 (-5) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 1
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 4600 3580
1700FT MIXING TEMP 83 78
TRANSPORT WND (MPH) W 8 N 9
VENT RATE (MPH-FT) 36800 32220
VENT RATE CATEGORY POOR POOR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. MINIMUM RH 55 PERCENT. EAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 90S. MINIMUM RH 52 PERCENT. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 90. MINIMUM RH
56 PERCENT. EAST WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. MINIMUM RH 61 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. MINIMUM RH 56 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
ILZ044>046-054>057-061-122115-
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF MONTICELLO, CHAMPAIGN, URBANA, DANVILLE,
SULLIVAN, TUSCOLA, CHARLESTON, MATTOON, PARIS, AND SHELBYVILLE
221 AM CDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 88 (+5) 63 (-1) 84
RH % (24H TREND) 48 (-10) 100 (0) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 4770 4660
1700FT MIXING TEMP 82 79
TRANSPORT WND (MPH) W 7 N 10
VENT RATE (MPH-FT) 33390 46600
VENT RATE CATEGORY POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS AROUND 80. MINIMUM RH 52 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 60S. HIGHS IN
THE LOWER 90S. MINIMUM RH 51 PERCENT. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 90S.
MINIMUM RH 53 PERCENT. EAST WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. MINIMUM RH 59 PERCENT. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. MINIMUM RH 56 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
ILZ062-063-066>068-071>073-122115-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF GREENUP, MARSHALL, EFFINGHAM, NEWTON,
ROBINSON, FLORA, OLNEY, AND LAWRENCEVILLE
221 AM CDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 30 0 30
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 88 (+5) 64 (-2) 88
RH % (24H TREND) 47 (-12) 100 (0) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.04 0.00 0.04
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM 12 PM
PRECIP END 11 AM CONTINUING
MIXING HGT(FT-AGL) 4680 5500
1700FT MIXING TEMP 83 86
TRANSPORT WND (MPH) W 8 NW 9
VENT RATE (MPH-FT) 37440 49500
VENT RATE CATEGORY POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 80S. MINIMUM RH 47 PERCENT.
NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 60S. HIGHS IN
THE MID 90S. MINIMUM RH 44 PERCENT. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 70. HIGHS IN THE MID 90S.
MINIMUM RH 45 PERCENT. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS AROUND 90. MINIMUM RH 51 PERCENT. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. MINIMUM RH 49 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
DEUBELBEISS
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