Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
686
FNUS53 KILX 192038
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
338 PM CDT Sat Sep 19 2026
.DISCUSSION...
A nearly stationary frontal boundary will continue to be the
focus for thunderstorms this weekend. The greatest areal coverage of
storms will focus along and north of the I-74 corridor tonight, then
will spread further southward across the remainder of central and
southeast Illinois Sunday into Monday as temperatures cool. Due to
low mixing heights and light winds, ventilation will remain poor
through Monday.
ILZ027-028-200915-
Knox-Stark-
Including the cities of Galesburg and Toulon
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 60 70 50 70
Chance of Thunder (%) 40 30 20 0
Temp (24h trend) 66 (-2) 74 (-8) 57 64
RH % (24h trend) 100 (+6) 76 (+1) 100 78
Wind 20ft/early(mph) Lgt/Var N 5 NE 11 G23 E 11 G20
Wind 20ft/late(mph) Lgt/Var NE 9 G19 NE 9 G21 E 11 G19
Precip Amount 0.24 0.32 0.30 0.19
Precip Duration 5 6 2 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(ft-agl) 1860 2010
1700ft Mixing Temp 74 63
Transport Wnd (mph) NE 13 E 17
Vent Rate (mph-ft) 24180 34170
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with showers likely. Lows in the mid
50s. Highs in the lower 60s. Minimum RH 74 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows around 50. Highs in the mid 60s.
Minimum RH 75 percent. North winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 72 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 68 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 67 percent. Light winds.
$$
ILZ029>031-036-037-041-200915-
Peoria-Marshall-Woodford-Fulton-Tazewell-Mason-
Including the cities of Peoria, Lacon, Eureka, Canton, Pekin,
and Havana
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Tstms
Chance Precip (%) 40 50 50 70
Chance of Thunder (%) 20 40 20 20
Temp (24h trend) 67 (-2) 79 (-5) 57 67
RH % (24h trend) 100 (+4) 72 (+2) 100 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var NE 10 G22 NE 10 G20
Wind 20ft/late(mph) Lgt/Var NE 8 G18 NE 8 G21 E 10 G18
Precip Amount 0.13 0.22 0.32 0.22
Precip Duration 1 2 2 6
Precip Begin 9 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(ft-agl) 2260 1990
1700ft Mixing Temp 76 65
Transport Wnd (mph) N 9 E 16
Vent Rate (mph-ft) 20340 31840
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Highs in the mid 60s. Minimum RH 71 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 72 percent. North winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs around
70. Minimum RH 67 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 63 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 61 percent. Light winds.
$$
ILZ040-047-049-050-200915-
Schuyler-Cass-Scott-Morgan-
Including the cities of Rushville, Beardstown, Winchester,
and Jacksonville
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms Tstms
Chance Precip (%) 10 50 70 70
Chance of Thunder (%) 0 40 40 20
Temp (24h trend) 68 (-4) 85 (-6) 60 70
RH % (24h trend) 98 (+7) 58 (+8) 100 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var NE 9 G17 NE 7 G17
Wind 20ft/late(mph) Lgt/Var N 6 NE 6 G17 NE 8
Precip Amount 0.03 0.10 0.26 0.16
Precip Duration 1 2 5 9
Precip Begin 12 AM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(ft-agl) 3230 2040
1700ft Mixing Temp 80 68
Transport Wnd (mph) NW 8 NE 12
Vent Rate (mph-ft) 25840 24480
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Highs in the mid 60s. Minimum RH 71 percent. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 69 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 65 percent. Light winds.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 61 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 57 percent. Light winds.
$$
ILZ042-048-051-200915-
Logan-Menard-Sangamon-
Including the cities of Lincoln, Petersburg, and Springfield
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms Tstms
Chance Precip (%) 0 30 60 70
Chance of Thunder (%) 0 30 30 20
Temp (24h trend) 68 (-3) 84 (-4) 60 71
RH % (24h trend) 96 (+3) 59 (+3) 100 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var NE 9 G18 NE 8 G18
Wind 20ft/late(mph) Lgt/Var N 7 NE 7 G17 NE 9 G17
Precip Amount 0.00 0.10 0.26 0.19
Precip Duration 1 3 6
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 3160 2200
1700ft Mixing Temp 81 68
Transport Wnd (mph) NW 8 E 13
Vent Rate (mph-ft) 25280 28600
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Highs in the upper 60s. Minimum RH 67 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 66 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the mid 50s. Highs in the
lower 70s. Minimum RH 60 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 56 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 51 percent. Northeast winds around 5 mph.
$$
ILZ038-043-200915-
McLean-De Witt-
Including the cities of Bloomington, Normal, and Clinton
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 20 50 50 60
Chance of Thunder (%) 20 30 30 0
Temp (24h trend) 67 (-2) 79 (-4) 57 67
RH % (24h trend) 100 (+2) 71 (-2) 100 74
Wind 20ft/early(mph) Lgt/Var NE 6 NE 11 G19 NE 12 G19
Wind 20ft/late(mph) Lgt/Var N 9 NE 9 G20 E 12
Precip Amount 0.02 0.19 0.24 0.27
Precip Duration 1 2 2 6
Precip Begin 1 AM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(ft-agl) 2360 2100
1700ft Mixing Temp 78 65
Transport Wnd (mph) N 9 E 16
Vent Rate (mph-ft) 21240 33600
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
lower 50s. Highs in the mid 60s. Minimum RH 71 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 71 percent. North winds around 10 mph.
.THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs around
70. Minimum RH 65 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 59 percent. North winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 56 percent. Northeast winds around 5 mph.
$$
ILZ052-053-200915-
Christian-Macon-
Including the cities of Taylorville and Decatur
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms Tstms
Chance Precip (%) 0 30 50 70
Chance of Thunder (%) 0 30 30 20
Temp (24h trend) 69 (-1) 86 (-3) 60 73
RH % (24h trend) 90 (-5) 53 (0) 100 72
Wind 20ft/early(mph) Lgt/Var Lgt/Var NE 9 G17 NE 9 G18
Wind 20ft/late(mph) Lgt/Var NW 7 NE 7 G17 NE 9 G17
Precip Amount 0.00 0.12 0.27 0.15
Precip Duration 1 3 6
Precip Begin 10 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 3570 2230
1700ft Mixing Temp 83 68
Transport Wnd (mph) NW 8 NE 13
Vent Rate (mph-ft) 28560 28990
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Highs in the upper 60s. Minimum RH 68 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs around
70. Minimum RH 67 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 61 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 55 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 49 percent. Northeast winds around 5 mph.
$$
ILZ044>046-200915-
Piatt-Champaign-Vermilion-
Including the cities of Monticello, Champaign, Urbana,
and Danville
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms Showers
Chance Precip (%) 0 50 40 60
Chance of Thunder (%) 0 30 30 0
Temp (24h trend) 68 (0) 83 (-2) 58 70
RH % (24h trend) 100 (+2) 64 (-1) 100 70
Wind 20ft/early(mph) Lgt/Var N 5 NE 10 G17 NE 10
Wind 20ft/late(mph) Lgt/Var N 7 NE 9 G17 NE 10
Precip Amount 0.00 0.14 0.35 0.24
Precip Duration 2 2 6
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 2830 2160
1700ft Mixing Temp 81 67
Transport Wnd (mph) NW 9 E 15
Vent Rate (mph-ft) 25470 32400
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Highs in the upper 60s. Minimum RH 69 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 70 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 64 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 57 percent. North winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 52 percent. Northeast winds around 5 mph.
$$
ILZ054>057-061-200915-
Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Sullivan, Tuscola, Charleston, Mattoon,
Paris, and Shelbyville
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms Tstms
Chance Precip (%) 0 30 40 70
Chance of Thunder (%) 0 30 30 20
Temp (24h trend) 68 (-1) 88 (-2) 60 74
RH % (24h trend) 89 (-7) 48 (-2) 100 67
Wind 20ft/early(mph) Lgt/Var NW 5 NE 9 NE 8
Wind 20ft/late(mph) Lgt/Var NW 6 NE 7 NE 8
Precip Amount 0.00 0.16 0.36 0.13
Precip Duration 1 2 6
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 3770 2150
1700ft Mixing Temp 86 70
Transport Wnd (mph) W 9 NE 12
Vent Rate (mph-ft) 33930 25800
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. Minimum RH 66 percent. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs around
70. Minimum RH 66 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 59 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 52 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 46 percent. Northeast winds around 5 mph.
$$
ILZ062-063-066>068-071>073-200915-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
338 PM CDT Sat Sep 19 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 50
Chance of Thunder (%) 0 0 30 20
Temp (24h trend) 69 (-1) 93 (0) 62 81
RH % (24h trend) 83 (-13) 37 (-5) 100 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var N 7 NE 7
Wind 20ft/late(mph) Lgt/Var W 6 NE 6 NE 7
Precip Amount 0.00 0.00 0.28 0.13
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 4810 2560
1700ft Mixing Temp 91 75
Transport Wnd (mph) W 12 NE 10
Vent Rate (mph-ft) 57720 25600
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Mostly cloudy. A chance of showers. Lows in the upper
50s. Highs in the lower 70s. Minimum RH 60 percent. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the mid 50s. Highs in the
lower 70s. Minimum RH 58 percent. North winds around 5 mph.
.THURSDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 54 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 47 percent. North winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs around 80.
Minimum RH 41 percent. Northeast winds around 5 mph.
$$
07