615
FNUS53 KILX 151905
FWFILX
FIRE WEATHER PLANNING FORECAST FOR CENTRAL/SOUTHEAST ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
205 PM CDT WED APR 15 2026
DISCUSSION
BREEZY SOUTHERLY WINDS WILL SUPPORT GOOD TO VERY GOOD VENTILATION
RATES THROUGH FRIDAY. HOWEVER, PERIODS OF SHOWERS AND
THUNDERSTORMS WILL LIKELY LIMIT BURNING ACTIVITY ACROSS MUCH OF
THE REGION TODAY, AND AGAIN LATER FRIDAY INTO SATURDAY.
MUCH COOLER TEMPERATURES RETURN LATER THIW WEEKEND AS WINDS SHIFT
NORTHERLY BEHIND A COLD FRONT.
ILZ027>031-036>038-160915-
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
INCLUDING THE CITIES OF GALESBURG, TOULON, PEORIA, LACON, EUREKA,
CANTON, PEKIN, BLOOMINGTON, AND NORMAL
205 PM CDT WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 70 0 0 40
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 59 (-3) 77 (+3) 53 83
RH % (24H TREND) 96 (+2) 44 (-30) 96 42
WIND 20FT/EARLY(MPH) S 10 G20 W 9 G19 LGT/VAR SE 7 G20
WIND 20FT/LATE(MPH) SW 9 G20 W 9 G18 LGT/VAR S 14 G23
PRECIP AMOUNT 0.37 0.00 0.00 0.05
PRECIP DURATION 5 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 6 AM CONTINUING
MIXING HGT(FT-AGL) 5330 4380
1700FT MIXING TEMP 70 76
TRANSPORT WND (MPH) W 18 S 31
VENT RATE (MPH-FT) 95940 135780
VENT RATE CATEGORY GOOD VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 40S. HIGHS IN THE MID 50S. MINIMUM RH 47 PERCENT. WEST WINDS
10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. MINIMUM RH 36 PERCENT. WEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 60S. MINIMUM RH 39 PERCENT. EAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
MINIMUM RH 44 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 70S. MINIMUM RH 45 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
ILZ040>043-047>053-160915-
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
205 PM CDT WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 80 0 0 40
CHANCE OF THUNDER (%) 50 0 0 20
TEMP (24H TREND) 60 (-5) 78 (+1) 54 84
RH % (24H TREND) 93 (+4) 37 (-27) 93 40
WIND 20FT/EARLY(MPH) S 10 G21 SW 9 G18 LGT/VAR S 8 G18
WIND 20FT/LATE(MPH) SW 9 G20 W 9 G18 LGT/VAR S 14 G23
PRECIP AMOUNT 0.34 0.00 0.00 0.04
PRECIP DURATION 5 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 6 AM CONTINUING
MIXING HGT(FT-AGL) 6040 4680
1700FT MIXING TEMP 73 77
TRANSPORT WND (MPH) W 18 S 29
VENT RATE (MPH-FT) 108720 135720
VENT RATE CATEGORY GOOD VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 50S. MINIMUM RH 45 PERCENT.
SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
50S. MINIMUM RH 32 PERCENT. WEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. MINIMUM RH 35 PERCENT. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
MINIMUM RH 38 PERCENT. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 70S. MINIMUM RH 42 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
ILZ044>046-054>057-061-160915-
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF MONTICELLO, CHAMPAIGN, URBANA, DANVILLE,
SULLIVAN, TUSCOLA, CHARLESTON, MATTOON, PARIS, AND SHELBYVILLE
205 PM CDT WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 70 40 0 20
CHANCE OF THUNDER (%) 50 20 0 0
TEMP (24H TREND) 61 (-6) 77 (-1) 52 82
RH % (24H TREND) 95 (+14) 43 (-20) 97 44
WIND 20FT/EARLY(MPH) SW 10 G20 SW 10 G19 LGT/VAR SE 6 G17
WIND 20FT/LATE(MPH) SW 10 G18 W 11 G19 LGT/VAR S 12 G22
PRECIP AMOUNT 0.51 0.05 0.00 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 PM CONTINUING 1 PM
PRECIP END CONTINUING 4 PM CONTINUING
MIXING HGT(FT-AGL) 6350 5060
1700FT MIXING TEMP 72 75
TRANSPORT WND (MPH) W 23 S 26
VENT RATE (MPH-FT) 146050 131560
VENT RATE CATEGORY VERY GOOD VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
50S. MINIMUM RH 34 PERCENT. WEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. MINIMUM RH 36 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 70S. MINIMUM RH 43 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
ILZ062-063-066>068-071>073-160915-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF GREENUP, MARSHALL, EFFINGHAM, NEWTON,
ROBINSON, FLORA, OLNEY, AND LAWRENCEVILLE
205 PM CDT WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 70 60 0 20
CHANCE OF THUNDER (%) 50 40 0 0
TEMP (24H TREND) 62 (-6) 78 (-3) 55 83
RH % (24H TREND) 95 (+16) 46 (-9) 97 42
WIND 20FT/EARLY(MPH) SW 9 G18 SW 9 G18 LGT/VAR S 5
WIND 20FT/LATE(MPH) SW 8 G17 W 9 G18 LGT/VAR S 10 G18
PRECIP AMOUNT 0.34 0.06 0.00 0.00
PRECIP DURATION 5 2 1
PRECIP BEGIN 6 PM CONTINUING 1 PM
PRECIP END CONTINUING 6 PM CONTINUING
MIXING HGT(FT-AGL) 6470 5180
1700FT MIXING TEMP 72 77
TRANSPORT WND (MPH) W 23 S 24
VENT RATE (MPH-FT) 148810 124320
VENT RATE CATEGORY VERY GOOD VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 60S.
MINIMUM RH 48 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
MINIMUM RH 33 PERCENT. NORTHWEST WINDS AROUND 10 MPH.
MONDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
MINIMUM RH 35 PERCENT. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 70S. MINIMUM RH 44 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
NMA
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