Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
656
FNUS53 KILX 050756
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
256 AM CDT Sat Sep 5 2026
.DISCUSSION...
Hot and humid weather will prevail over central and southeast IL
today, with highs in the 90s to near 100. Isolated showers and
thunderstorms are possible this afternoon south of I-72 as a
backdoor cold front moves into central Illinois. Expect southwest
light and variable winds this morning, with winds becoming north
5-15 mph during the afternoon. Fair vent rates today and poor to
fair vent rates Sunday with lower mixing heights.
ILZ027>031-036>038-052200-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
256 AM CDT Sat Sep 5 2026
Today Tonight Sun
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 94 (-2) 65 (-8) 85
RH % (24h trend) 54 (-2) 100 (+2) 48
Wind 20ft/early(mph) Lgt/Var NE 6 Lgt/Var
Wind 20ft/late(mph) N 5 Lgt/Var E 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 4120 3780
1700ft Mixing Temp 91 80
Transport Wnd (mph) NW 12 E 12
Vent Rate (mph-ft) 49440 45360
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Minimum RH 47 percent. East winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 90s. Minimum RH 42 percent. Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 70s. Highs in the
lower 90s. Minimum RH 46 percent. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 50 percent. Northwest winds
around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Minimum RH 46 percent. East winds around 5 mph.
$$
ILZ040>043-047>053-052200-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
256 AM CDT Sat Sep 5 2026
Today Tonight Sun
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 98 (+1) 67 (-6) 89
RH % (24h trend) 41 (-4) 100 (+4) 41
Wind 20ft/early(mph) Lgt/Var NE 5 E 5
Wind 20ft/late(mph) NW 5 Lgt/Var NE 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 5440 4030
1700ft Mixing Temp 96 83
Transport Wnd (mph) NW 12 NE 12
Vent Rate (mph-ft) 65280 48360
Vent Rate Category Fair Fair
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Minimum RH 38 percent. East winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
90s. Minimum RH 35 percent. Southeast winds around 5 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 70s. Highs in the
mid 90s. Minimum RH 38 percent. South winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 80s. Minimum RH 45 percent. North winds
around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Minimum RH 43 percent. East winds around 5 mph.
$$
ILZ044>046-054>057-061-052200-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
256 AM CDT Sat Sep 5 2026
Today Tonight Sun
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 96 (-1) 65 (-8) 85
RH % (24h trend) 45 (-2) 100 (+4) 43
Wind 20ft/early(mph) Lgt/Var N 6 NE 6
Wind 20ft/late(mph) NW 6 NE 5 NE 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 4810 3900
1700ft Mixing Temp 92 78
Transport Wnd (mph) NW 13 NE 12
Vent Rate (mph-ft) 62530 46800
Vent Rate Category Fair Fair
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
Minimum RH 46 percent. Northeast winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 90s. Minimum RH 41 percent. Southeast winds around 5 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 70s. Highs in the
mid 90s. Minimum RH 42 percent. South winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Not as warm. Lows
in the upper 60s. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds around 5 mph.
.FRIDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
Minimum RH 47 percent. Northeast winds around 5 mph.
$$
ILZ062-063-066>068-071>073-052200-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
256 AM CDT Sat Sep 5 2026
Today Tonight Sun
Cloud Cover Mclear Mclear Mclear
Precip Type Tstms None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 20 0 0
Temp (24h trend) 100 (0) 68 (-5) 88
RH % (24h trend) 38 (+2) 100 (+5) 35
Wind 20ft/early(mph) Lgt/Var Lgt/Var NE 6
Wind 20ft/late(mph) NW 5 Lgt/Var NE 8
Precip Amount 0.02 0.00 0.00
Precip Duration 0
Precip Begin 3 PM
Precip End 6 PM
Mixing Hgt(ft-agl) 6600 4530
1700ft Mixing Temp 95 81
Transport Wnd (mph) NW 12 NE 12
Vent Rate (mph-ft) 79200 54360
Vent Rate Category Good Fair
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Minimum RH 34 percent. Northeast winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the mid
90s. Minimum RH 34 percent. South winds around 5 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 70s. Highs in the
upper 90s. Minimum RH 32 percent. South winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Not as warm. Lows
in the upper 60s. Highs in the upper 80s. Minimum RH 42 percent.
West winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Minimum RH 40 percent. Northeast winds around 5 mph.
$$
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