276
FNUS53 KILX 200801
FWFILX
FIRE WEATHER PLANNING FORECAST FOR CENTRAL/SOUTHEAST ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
301 AM CDT MON JUL 20 2026
DISCUSSION
WINDS WILL BE LIGHT EAST-NORTHEAST THIS MORNING, WITH A WIND SHIFT
TO SOUTHWESTERLY DEVELOPING AS A WARM FRONT LIFTS NORTH THROUGH
THE AREA. BEFORE THE WIND SHIFT OCCURS, WILDFIRE SMOKE WILL REMAIN
IN PLACE AND DIMINISH AIR QUALITY. VENT RATES WILL BE LARGELY POOR
TODAY, WITH IMPROVEMENT ON TUESDAY WITH ANOTHER COLD FRONT. THAT
IMPROVEMENT WILL CONTINUE ON WEDNESDAY AS COOLER AND DRIER AIR
PUSHES IN WITH AN INCREASE IN WIND SPEEDS. SOMEWHAT LOWER MINIMUM
RH VALUES ARE ANTICIPATED FROM TUESDAY THROUGH THE END OF THE
WEEK.
ILZ027-028-202130-
KNOX-STARK-
INCLUDING THE CITIES OF GALESBURG AND TOULON
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 60 0
CHANCE OF THUNDER (%) 20 60 0
TEMP (24H TREND) 87 (+3) 73 (+9) 86
RH % (24H TREND) 57 (-5) 92 (-3) 53
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 W 7 G17
WIND 20FT/LATE(MPH) SW 6 SW 7 NW 12 G20
PRECIP AMOUNT 0.22 0.43 0.00
PRECIP DURATION 0 3
PRECIP BEGIN 2 PM 9 PM
PRECIP END 4 PM 6 AM
MIXING HGT(FT-AGL) 3930 5140
1700FT MIXING TEMP 80 78
TRANSPORT WND (MPH) SW 12 NW 18
VENT RATE (MPH-FT) 47160 92520
VENT RATE CATEGORY FAIR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 49 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
MINIMUM RH 45 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 52 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 53 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS AROUND 90.
MINIMUM RH 54 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ029>031-036-037-041-202130-
PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MASON-
INCLUDING THE CITIES OF PEORIA, LACON, EUREKA, CANTON, PEKIN,
AND HAVANA
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 60 0
CHANCE OF THUNDER (%) 20 60 0
TEMP (24H TREND) 89 (+4) 73 (+9) 89
RH % (24H TREND) 56 (-3) 95 (-1) 49
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 NW 10 G19
PRECIP AMOUNT 0.16 0.28 0.00
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 11 PM
PRECIP END 5 PM 6 AM
MIXING HGT(FT-AGL) 4200 5210
1700FT MIXING TEMP 80 78
TRANSPORT WND (MPH) SW 10 NW 17
VENT RATE (MPH-FT) 42000 88570
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 49 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
MINIMUM RH 43 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS AROUND 80. MINIMUM
RH 51 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 53 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS AROUND 90.
MINIMUM RH 54 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ040-047-049-050-202130-
SCHUYLER-CASS-SCOTT-MORGAN-
INCLUDING THE CITIES OF RUSHVILLE, BEARDSTOWN, WINCHESTER,
AND JACKSONVILLE
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 50 50
TEMP (24H TREND) 90 (+4) 75 (+8) 90
RH % (24H TREND) 55 (-5) 94 (-2) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 5 NW 10 G18
PRECIP AMOUNT 0.00 0.15 0.03
PRECIP DURATION 1 1
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL) 4700 5670
1700FT MIXING TEMP 83 81
TRANSPORT WND (MPH) SW 7 NW 18
VENT RATE (MPH-FT) 32900 102060
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS AROUND 80.
MINIMUM RH 46 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. MINIMUM RH 43 PERCENT. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. MINIMUM RH 54 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 53 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS AROUND 90.
MINIMUM RH 53 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ042-048-051-202130-
LOGAN-MENARD-SANGAMON-
INCLUDING THE CITIES OF LINCOLN, PETERSBURG, AND SPRINGFIELD
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 50 50
TEMP (24H TREND) 89 (+4) 74 (+8) 91
RH % (24H TREND) 54 (-4) 95 (-1) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 NW 10 G18
PRECIP AMOUNT 0.00 0.10 0.04
PRECIP DURATION 1 1
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL) 4340 5240
1700FT MIXING TEMP 81 80
TRANSPORT WND (MPH) SW 7 NW 17
VENT RATE (MPH-FT) 30380 89080
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 49 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
MINIMUM RH 43 PERCENT. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
MINIMUM RH 52 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 53 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 55 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ038-043-202130-
MCLEAN-DE WITT-
INCLUDING THE CITIES OF BLOOMINGTON, NORMAL, AND CLINTON
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 50
CHANCE OF THUNDER (%) 0 60 50
TEMP (24H TREND) 87 (+4) 72 (+9) 87
RH % (24H TREND) 54 (-8) 98 (+1) 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 W 9
WIND 20FT/LATE(MPH) SW 5 SW 9 NW 12 G20
PRECIP AMOUNT 0.00 0.15 0.04
PRECIP DURATION 2 0
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 8 AM
MIXING HGT(FT-AGL) 3950 4520
1700FT MIXING TEMP 78 78
TRANSPORT WND (MPH) SW 9 NW 21
VENT RATE (MPH-FT) 35550 94920
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 70S. MINIMUM RH 53 PERCENT. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. MINIMUM RH 46 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 52 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 56 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 58 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ052-053-202130-
CHRISTIAN-MACON-
INCLUDING THE CITIES OF TAYLORVILLE AND DECATUR
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 50 50
TEMP (24H TREND) 89 (+4) 73 (+7) 89
RH % (24H TREND) 54 (-7) 95 (-1) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 7 NW 10 G19
PRECIP AMOUNT 0.00 0.07 0.04
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL) 4210 4460
1700FT MIXING TEMP 80 81
TRANSPORT WND (MPH) W 6 NW 16
VENT RATE (MPH-FT) 25260 71360
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 54 PERCENT. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 47 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 55 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 57 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 57 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ044>046-202130-
PIATT-CHAMPAIGN-VERMILION-
INCLUDING THE CITIES OF MONTICELLO, CHAMPAIGN, URBANA,
AND DANVILLE
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 60
CHANCE OF THUNDER (%) 0 60 60
TEMP (24H TREND) 87 (+4) 72 (+8) 89
RH % (24H TREND) 53 (-11) 97 (0) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 8
WIND 20FT/LATE(MPH) LGT/VAR SW 8 W 11 G20
PRECIP AMOUNT 0.00 0.17 0.04
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL) 4180 4540
1700FT MIXING TEMP 78 79
TRANSPORT WND (MPH) SW 7 NW 20
VENT RATE (MPH-FT) 29260 90800
VENT RATE CATEGORY POOR GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
70S. MINIMUM RH 53 PERCENT. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. MINIMUM RH 45 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
MINIMUM RH 51 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. MINIMUM RH 54 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 56 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ054>057-061-202130-
MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF SULLIVAN, TUSCOLA, CHARLESTON, MATTOON,
PARIS, AND SHELBYVILLE
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50
CHANCE OF THUNDER (%) 0 40 50
TEMP (24H TREND) 88 (+3) 72 (+7) 90
RH % (24H TREND) 53 (-9) 97 (-1) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 6 W 10 G18
PRECIP AMOUNT 0.00 0.07 0.09
PRECIP DURATION 1 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 11 AM
MIXING HGT(FT-AGL) 4390 4200
1700FT MIXING TEMP 79 81
TRANSPORT WND (MPH) W 6 NW 16
VENT RATE (MPH-FT) 26340 67200
VENT RATE CATEGORY POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 53 PERCENT. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 45 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 52 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. MINIMUM RH 54 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 55 PERCENT. SOUTH WINDS AROUND 5 MPH.
ILZ062-063-066>068-071>073-202130-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF GREENUP, MARSHALL, EFFINGHAM, NEWTON,
ROBINSON, FLORA, OLNEY, AND LAWRENCEVILLE
301 AM CDT MON JUL 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 89 (+2) 73 (+5) 92
RH % (24H TREND) 52 (-8) 97 (0) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.12
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(FT-AGL) 4900 4090
1700FT MIXING TEMP 81 83
TRANSPORT WND (MPH) W 6 NW 14
VENT RATE (MPH-FT) 29400 57260
VENT RATE CATEGORY POOR FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 53 PERCENT. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. MINIMUM RH 46 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 53 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 54 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER
80S. MINIMUM RH 56 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SHIMON
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