Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
306
FNUS53 KILX 110851
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
351 AM CDT Tue Aug 11 2026
.DISCUSSION...
Transport winds gradually slow through midweek as a surface cold
front decays over central Illinois. This will result in mainly
fair-to-poor ventilation.
Near daily chances for showers and thunderstorms exist through the
remainder of the week.
ILZ027>031-036>038-112115-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
351 AM CDT Tue Aug 11 2026
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 30 20 40
Chance of Thunder (%) 30 20 20
Temp (24h trend) 90 (0) 69 (-4) 87
RH % (24h trend) 59 (-7) 100 (+4) 62
Wind 20ft/early(mph) SW 7 G19 Lgt/Var SE 5
Wind 20ft/late(mph) SW 8 G17 Lgt/Var S 6
Precip Amount 0.17 0.03 0.15
Precip Duration 2 1 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 2770 2130
1700ft Mixing Temp 90 81
Transport Wnd (mph) SW 17 S 7
Vent Rate (mph-ft) 47090 14910
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows around 70. Highs in the lower 80s. Minimum RH
78 percent. Northeast winds around 5 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Highs in the lower 80s.
Minimum RH 75 percent. Northeast winds around 5 mph.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 60s. Highs in the upper 80s. Minimum RH
71 percent. Southeast winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 70s. Highs in the mid 80s. Minimum RH
74 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. Minimum RH 73 percent. North winds around
5 mph.
$$
ILZ040>043-047>053-112115-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
351 AM CDT Tue Aug 11 2026
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 20 20 40
Chance of Thunder (%) 20 20 30
Temp (24h trend) 93 (+3) 71 (-3) 90
RH % (24h trend) 54 (-8) 97 (+8) 58
Wind 20ft/early(mph) SW 8 G20 SW 5 S 5
Wind 20ft/late(mph) SW 10 G17 Lgt/Var S 7
Precip Amount 0.06 0.04 0.22
Precip Duration 1 1 2
Precip Begin 8 AM 7 PM Continuing
Precip End 3 PM Continuing Continuing
Mixing Hgt(ft-agl) 3560 2080
1700ft Mixing Temp 93 86
Transport Wnd (mph) SW 18 S 9
Vent Rate (mph-ft) 64080 18720
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the lower 70s. Highs in the upper 80s.
Minimum RH 70 percent. East winds around 5 mph.
.FRIDAY...Showers and a chance of thunderstorms. Lows in the
upper 60s. Highs in the mid 80s. Minimum RH 70 percent. Northeast
winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs around 90. Minimum RH 63 percent. Southeast winds
around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 70s. Highs in the
upper 80s. Minimum RH 64 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 60s. Highs in the lower 80s. Minimum RH
69 percent. North winds around 5 mph.
$$
ILZ044>046-054>057-061-112115-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
351 AM CDT Tue Aug 11 2026
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 40 30 40
Chance of Thunder (%) 40 30 40
Temp (24h trend) 91 (+2) 69 (-4) 88
RH % (24h trend) 60 (-7) 100 (+7) 62
Wind 20ft/early(mph) SW 8 G17 SW 5 Lgt/Var
Wind 20ft/late(mph) SW 9 G17 Lgt/Var S 6
Precip Amount 0.22 0.12 0.19
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(ft-agl) 2890 2080
1700ft Mixing Temp 90 86
Transport Wnd (mph) SW 18 N 9
Vent Rate (mph-ft) 52020 18720
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows around 70. Highs in the mid 80s. Minimum RH
76 percent. Northeast winds around 5 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Highs in the lower 80s.
Minimum RH 74 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 60s. Highs in the upper 80s. Minimum RH
70 percent. East winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 70s. Highs in the
upper 80s. Minimum RH 69 percent. South winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Minimum RH 74 percent. North winds around 5 mph.
$$
ILZ062-063-066>068-071>073-112115-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
351 AM CDT Tue Aug 11 2026
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 20 40 30
Chance of Thunder (%) 20 30 30
Temp (24h trend) 92 (+1) 70 (-4) 92
RH % (24h trend) 55 (-10) 96 (+7) 58
Wind 20ft/early(mph) SW 7 G17 SW 6 SW 5
Wind 20ft/late(mph) SW 9 S 5 SW 6
Precip Amount 0.09 0.19 0.24
Precip Duration 1 2 1
Precip Begin 8 AM Continuing 3 PM
Precip End Continuing 6 AM Continuing
Mixing Hgt(ft-agl) 3540 2800
1700ft Mixing Temp 91 90
Transport Wnd (mph) SW 18 W 9
Vent Rate (mph-ft) 63720 25200
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 70s. Highs in the upper 80s. Minimum RH
70 percent. North winds around 5 mph.
.FRIDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the lower 70s. Highs in the mid 80s.
Minimum RH 69 percent. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 70. Highs around 90.
Minimum RH 63 percent. East winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the mid 70s. Highs in the lower
90s. Minimum RH 61 percent. South winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the lower
70s. Highs in the mid 80s. Minimum RH 67 percent. North winds
around 5 mph.
$$
MJA