Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
050
FNUS53 KILX 130951
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
451 AM CDT Thu Aug 13 2026
.DISCUSSION...
Transport winds remain slow through Friday as a surface front
decays over central Illinois. This will result in mainly poor
ventilation.
Near daily chances for showers and thunderstorms exist through
the remainder of the week.
ILZ027>031-036>038-132115-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
451 AM CDT Thu Aug 13 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 70 60
Chance of Thunder (%) 40 60 30
Temp (24h trend) 83 (0) 69 (0) 86
RH % (24h trend) 82 (+1) 100 (+2) 75
Wind 20ft/early(mph) Lgt/Var E 7 E 6
Wind 20ft/late(mph) E 6 G17 E 7 G18 E 6
Precip Amount 0.48 1.05 0.19
Precip Duration 3 6 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 4 PM
Mixing Hgt(ft-agl) 1720 2370
1700ft Mixing Temp 80 81
Transport Wnd (mph) SE 10 SE 9
Vent Rate (mph-ft) 17200 21330
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 70s. Highs in the upper 80s. Minimum RH
74 percent. Southeast winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 70s. Highs in the upper 80s. Minimum RH
75 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Minimum RH 71 percent. North winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 68 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Minimum RH 72 percent. Southeast winds around 5 mph.
$$
ILZ040>043-047>053-132115-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
451 AM CDT Thu Aug 13 2026
Today Tonight Fri
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 30 50 40
Chance of Thunder (%) 30 40 20
Temp (24h trend) 87 (+1) 71 (0) 91
RH % (24h trend) 72 (-4) 100 (+1) 62
Wind 20ft/early(mph) Lgt/Var E 6 E 7 G17
Wind 20ft/late(mph) E 6 E 7 G17 SE 6
Precip Amount 0.25 0.30 0.07
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 1 PM
Mixing Hgt(ft-agl) 2600 3130
1700ft Mixing Temp 84 85
Transport Wnd (mph) SE 10 S 8
Vent Rate (mph-ft) 26000 25040
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
70s. Highs in the lower 90s. Minimum RH 62 percent. Southeast
winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the mid 70s. Highs around 90.
Minimum RH 64 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 60s. Highs in the mid 80s. Minimum RH
66 percent. North winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. Minimum RH 61 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. Minimum RH 61 percent. Southeast winds around 5 mph.
$$
ILZ044>046-054>057-061-132115-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
451 AM CDT Thu Aug 13 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 40 50 60
Chance of Thunder (%) 20 50 30
Temp (24h trend) 87 (+3) 70 (+2) 89
RH % (24h trend) 74 (-6) 100 (+2) 69
Wind 20ft/early(mph) Lgt/Var E 6 E 6
Wind 20ft/late(mph) SE 5 E 6 Lgt/Var
Precip Amount 0.22 0.60 0.17
Precip Duration 2 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 1 PM
Mixing Hgt(ft-agl) 2410 2990
1700ft Mixing Temp 82 84
Transport Wnd (mph) S 8 S 7
Vent Rate (mph-ft) 19280 20930
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
70s. Highs around 90. Minimum RH 70 percent. Southeast winds
around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 70s. Highs around 90.
Minimum RH 66 percent. Southwest winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 60s. Highs in the lower 80s. Minimum RH
70 percent. North winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 64 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. Minimum RH 66 percent. Southeast winds around 5 mph.
$$
ILZ062-063-066>068-071>073-132115-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
451 AM CDT Thu Aug 13 2026
Today Tonight Fri
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 30 30 30
Chance of Thunder (%) 20 20 20
Temp (24h trend) 91 (0) 71 (0) 93
RH % (24h trend) 64 (-7) 98 (-1) 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5
Wind 20ft/late(mph) Lgt/Var SE 5 S 5
Precip Amount 0.13 0.20 0.09
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Mixing Hgt(ft-agl) 2730 3330
1700ft Mixing Temp 86 89
Transport Wnd (mph) SW 8 SW 8
Vent Rate (mph-ft) 21840 26640
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the mid 70s. Highs in the lower
90s. Minimum RH 62 percent. Southeast winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the mid 70s. Highs in the lower
90s. Minimum RH 58 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 70s. Highs in the mid 80s. Minimum RH
68 percent. North winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. Minimum RH 60 percent. Light winds.
.WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the
upper 80s. Minimum RH 60 percent. Southeast winds around 5 mph.
$$
MJA