Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
270
FNUS53 KILX 151919
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
219 PM CDT Tue Sep 15 2026
.DISCUSSION...
A cold front will become quasi-stationary across central Illinois
this week and be the focus for periodic showers and storms across
the region through the week. South of the front, temperatures will
remain quite warm, with highs in the 90s and heat index values just
over 100. North of the front, temperatures will be cooler, but just
on Wednesday. Daily chances of showers and storms are expected the
rest of the week. The periodic showers and storms, combined with low
mixing heights and slow vent rates, will make for poor conditions
for burning tomorrow through Friday.
ILZ027>031-036>038-160930-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
219 PM CDT Tue Sep 15 2026
Tonight Wed Wed Night Thu
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms Tstms
Chance Precip (%) 80 60 50 50
Chance of Thunder (%) 80 30 30 20
Temp (24h trend) 64 (-3) 81 (-9) 67 85
RH % (24h trend) 100 (+18) 81 (+22) 100 69
Wind 20ft/early(mph) N 5 NE 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) NE 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.56 0.17 0.16 0.33
Precip Duration 8 4 3 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 1 PM
Mixing Hgt(ft-agl) 1900 3010
1700ft Mixing Temp -10 -10
Transport Wnd (mph) E 7 W 9
Vent Rate (mph-ft) 13300 27090
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the mid 80s. Minimum RH 69 percent.
Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the upper 80s. Minimum RH 63 percent. South winds
5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Lows in the upper
60s. Highs around 80. Minimum RH 74 percent. North winds around
5 mph.
.MONDAY...Mostly cloudy with a chance of showers. Lows in the
lower 60s. Highs in the mid 70s. Minimum RH 74 percent. Northeast
winds 5 to 10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 69 percent. Northeast winds around 5 mph.
$$
ILZ040>043-047>053-160930-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
219 PM CDT Tue Sep 15 2026
Tonight Wed Wed Night Thu
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms Tstms
Chance Precip (%) 70 80 20 30
Chance of Thunder (%) 70 30 20 20
Temp (24h trend) 68 (-1) 87 (-8) 71 92
RH % (24h trend) 100 (+24) 64 (+18) 100 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.53 0.12 0.02 0.21
Precip Duration 7 4 1 1
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 1 PM
Mixing Hgt(ft-agl) 3030 3740
1700ft Mixing Temp -10 -10
Transport Wnd (mph) S 7 W 8
Vent Rate (mph-ft) 21210 29920
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. Lows in the upper 60s. Highs around 90.
Minimum RH 55 percent. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 70. Highs in the lower
90s. Minimum RH 49 percent. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Minimum RH 60 percent. Northwest winds
around 5 mph.
.MONDAY...Mostly cloudy with a chance of showers. Lows in the mid
60s. Highs in the upper 70s. Minimum RH 66 percent. Northeast
winds 5 to 10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 62 percent. Northeast winds around 5 mph.
$$
ILZ044>046-054>057-061-160930-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
219 PM CDT Tue Sep 15 2026
Tonight Wed Wed Night Thu
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 50 40 20 30
Chance of Thunder (%) 50 30 20 0
Temp (24h trend) 70 (+6) 90 (-5) 70 92
RH % (24h trend) 100 (+19) 58 (+13) 100 51
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.39 0.18 0.00 0.11
Precip Duration 2 2 1 1
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 1 PM
Mixing Hgt(ft-agl) 3250 3660
1700ft Mixing Temp -10 -10
Transport Wnd (mph) SW 7 W 8
Vent Rate (mph-ft) 22750 29280
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. Lows in the upper 60s. Highs in the
upper 80s. Minimum RH 56 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 90s. Minimum RH 46 percent. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the upper 80s. Minimum RH 54 percent. West winds
around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. Minimum RH 62 percent. Northeast winds 5 to
10 mph.
.TUESDAY...Mostly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 60 percent. Northeast winds 5 to 10 mph.
$$
ILZ062-063-066>068-071>073-160930-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
219 PM CDT Tue Sep 15 2026
Tonight Wed Wed Night Thu
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 30 30 0 0
Chance of Thunder (%) 20 20 0 0
Temp (24h trend) 71 (+6) 94 (-3) 71 96
RH % (24h trend) 100 (+14) 46 (+3) 94 42
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Precip Amount 0.15 0.05 0.00 0.00
Precip Duration 1 1
Precip Begin 7 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(ft-agl) 4740 5230
1700ft Mixing Temp -10 -10
Transport Wnd (mph) SW 9 NW 8
Vent Rate (mph-ft) 42660 41840
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 70. Highs in the lower 90s.
Minimum RH 47 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 70. Highs in the mid 90s.
Minimum RH 36 percent. South winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
70s. Highs in the lower 90s. Minimum RH 41 percent. West winds
around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 52 percent. North winds
5 to 10 mph.
.TUESDAY...Mostly cloudy. Lows in the lower 60s. Highs around 80.
Minimum RH 52 percent. Northeast winds around 10 mph.
$$
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