Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
520
FNUS53 KILX 080831
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
331 AM CDT Tue Sep 8 2026
.DISCUSSION...
Light south winds today, becoming southwest tomorrow with gusts up
to 20 mph. Poor vent rates will be in place the next two days.
Moisture will increase tomorrow ahead of a cold front. This cold
front could bring 1-3 inches of rain to southeastern IL tomorrow
into Thursday. Temperatures will be hot, back into the 90s the
next two days.
ILZ027>031-036>038-082130-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
331 AM CDT Tue Sep 8 2026
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Tstms
Chance Precip (%) 0 0 60
Chance of Thunder (%) 0 0 40
Temp (24h trend) 90 (+8) 70 (+11) 86
RH % (24h trend) 43 (-7) 88 (-6) 65
Wind 20ft/early(mph) Lgt/Var S 5 SW 5
Wind 20ft/late(mph) S 5 S 6 W 6
Precip Amount 0.00 0.00 0.16
Precip Duration 4
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 2900 2470
1700ft Mixing Temp 83 85
Transport Wnd (mph) S 10 W 10
Vent Rate (mph-ft) 29000 24700
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. Minimum RH
52 percent. Northwest winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Minimum RH 51 percent. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 65 percent. South winds
around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. Minimum RH 59 percent. East winds
around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 61 percent. East winds
5 to 10 mph.
$$
ILZ040>043-047>053-082130-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
331 AM CDT Tue Sep 8 2026
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type None None Tstms
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 40
Temp (24h trend) 91 (+7) 71 (+12) 91
RH % (24h trend) 38 (-5) 84 (-10) 51
Wind 20ft/early(mph) Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var S 6 W 5
Precip Amount 0.00 0.00 0.10
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 3330 3760
1700ft Mixing Temp 85 90
Transport Wnd (mph) S 9 W 9
Vent Rate (mph-ft) 29970 33840
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with showers and thunderstorms likely.
Lows in the upper 60s. Highs in the lower 80s. Minimum RH
58 percent. Northwest winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Minimum RH 52 percent. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 62 percent. South winds
around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 56 percent. East winds
around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 56 percent. Southeast winds
5 to 10 mph.
$$
ILZ044>046-054>057-061-082130-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
331 AM CDT Tue Sep 8 2026
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type None None Tstms
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 40
Temp (24h trend) 91 (+8) 69 (+12) 92
RH % (24h trend) 38 (-8) 93 (-7) 50
Wind 20ft/early(mph) Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var S 6 W 6
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 9 AM
Precip End Continuing
Mixing Hgt(ft-agl) 3990 3260
1700ft Mixing Temp 83 89
Transport Wnd (mph) S 8 W 12
Vent Rate (mph-ft) 31920 39120
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Showers with thunderstorms likely. Lows in the upper
60s. Highs in the lower 80s. Minimum RH 63 percent. West winds
around 5 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. Minimum RH 53 percent. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 80s. Minimum RH 60 percent. South winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Minimum RH 56 percent. East winds
around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. Minimum RH 57 percent. South winds 5 to 10 mph.
$$
ILZ062-063-066>068-071>073-082130-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
331 AM CDT Tue Sep 8 2026
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None None Tstms
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 40
Temp (24h trend) 94 (+9) 70 (+10) 96
RH % (24h trend) 37 (+2) 95 (-4) 41
Wind 20ft/early(mph) Lgt/Var Lgt/Var SW 8 G18
Wind 20ft/late(mph) Lgt/Var S 6 SW 7
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 12 PM
Precip End Continuing
Mixing Hgt(ft-agl) 5080 3390
1700ft Mixing Temp 86 91
Transport Wnd (mph) S 8 W 14
Vent Rate (mph-ft) 40640 47460
Vent Rate Category Poor Fair
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Showers and thunderstorms. Lows in the upper 60s.
Highs in the lower 80s. Minimum RH 66 percent. Southwest winds
around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. Minimum RH 50 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
upper 80s. Minimum RH 54 percent. South winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the mid 60s. Highs in the upper
80s. Minimum RH 51 percent. East winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 60s. Highs in the upper
80s. Minimum RH 49 percent. Southeast winds around 5 mph.
$$
Copple