623
FNUS53 KILX 120917
FWFILX
FIRE WEATHER PLANNING FORECAST FOR CENTRAL/SOUTHEAST ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
417 AM CDT TUE MAY 12 2026
DISCUSSION
SOUTHWESTERLY RETURN FLOW TOMORROW WILL RESULT IN SLIGHTLY LESS
DRY CONDITIONS DURING THE AFTERNOON WITH MINIMUM RHS GENERALLY IN
THE 30S. IN ADDITION, WITH MODEST MIXING AND WINDS GUSTING TO 35
MPH, VENTILATION WILL BE VERY GOOD TO EXCELLENT. THIS WILL CONTINUE
ON TOMORROW WITH STRONG NORTHWEST TRANSPORT WINDS BEHIND A COLD
FRONT, THOUGH SCATTERED SHOWERS THIS EVENING INTO THE OVERNIGHT
MAY DAMPEN SOILS.
ILZ027>031-036>038-122130-
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
INCLUDING THE CITIES OF GALESBURG, TOULON, PEORIA, LACON, EUREKA,
CANTON, PEKIN, BLOOMINGTON, AND NORMAL
417 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 82 (+12) 50 (+5) 70
RH % (24H TREND) 32 (+7) 73 (+13) 33
WIND 20FT/EARLY(MPH) S 9 G24 W 10 G28 NW 12 G23
WIND 20FT/LATE(MPH) SW 16 G31 NW 7 G19 NW 15 G23
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 5580 6630
1700FT MIXING TEMP 70 58
TRANSPORT WND (MPH) SW 32 NW 26
VENT RATE (MPH-FT) 178560 172380
VENT RATE CATEGORY EXCELLENT VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
MINIMUM RH 33 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 80S. MINIMUM RH 45 PERCENT. SOUTH WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. MINIMUM RH 38 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S. MINIMUM RH
51 PERCENT. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. MINIMUM RH
53 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
ILZ040>043-047>053-122130-
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
417 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 82 (+9) 52 (+5) 72
RH % (24H TREND) 28 (+1) 72 (+11) 29
WIND 20FT/EARLY(MPH) S 8 G22 SW 11 G25 NW 11 G23
WIND 20FT/LATE(MPH) SW 16 G30 NW 7 G18 NW 15 G23
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL) 6010 6690
1700FT MIXING TEMP 72 61
TRANSPORT WND (MPH) SW 30 NW 26
VENT RATE (MPH-FT) 180300 173940
VENT RATE CATEGORY EXCELLENT EXCELLENT
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
MINIMUM RH 32 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
MINIMUM RH 44 PERCENT. SOUTHEAST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE MID 80S.
MINIMUM RH 40 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S. MINIMUM RH
48 PERCENT. SOUTH WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. MINIMUM RH
52 PERCENT. SOUTH WINDS AROUND 10 MPH.
ILZ044>046-054>057-061-122130-
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF MONTICELLO, CHAMPAIGN, URBANA, DANVILLE,
SULLIVAN, TUSCOLA, CHARLESTON, MATTOON, PARIS, AND SHELBYVILLE
417 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 80 (+9) 51 (+7) 68
RH % (24H TREND) 34 (+8) 79 (+14) 37
WIND 20FT/EARLY(MPH) S 8 G18 SW 12 G26 NW 12 G23
WIND 20FT/LATE(MPH) SW 13 G30 W 7 NW 15 G24
PRECIP AMOUNT 0.00 0.03 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL) 6460 6360
1700FT MIXING TEMP 69 59
TRANSPORT WND (MPH) SW 28 NW 26
VENT RATE (MPH-FT) 180880 165360
VENT RATE CATEGORY EXCELLENT VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.
MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE MID 70S. MINIMUM RH 50 PERCENT. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. MINIMUM RH 51 PERCENT.
SOUTH WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. MINIMUM RH
56 PERCENT. SOUTH WINDS 10 TO 15 MPH.
ILZ062-063-066>068-071>073-122130-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF GREENUP, MARSHALL, EFFINGHAM, NEWTON,
ROBINSON, FLORA, OLNEY, AND LAWRENCEVILLE
417 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 79 (+6) 55 (+9) 70
RH % (24H TREND) 36 (+5) 82 (+12) 37
WIND 20FT/EARLY(MPH) S 5 SW 8 G20 NW 10 G21
WIND 20FT/LATE(MPH) SW 9 G21 W 7 NW 13 G23
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1
PRECIP BEGIN 10 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 6310 6430
1700FT MIXING TEMP 71 62
TRANSPORT WND (MPH) SW 21 NW 25
VENT RATE (MPH-FT) 132510 160750
VENT RATE CATEGORY VERY GOOD VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.
MINIMUM RH 38 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 49 PERCENT. SOUTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. MINIMUM RH 45 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
UPPER 80S. MINIMUM RH 47 PERCENT. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. MINIMUM RH
52 PERCENT. SOUTH WINDS AROUND 10 MPH.
COPPLE
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