Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
365
FNUS53 KILX 170815
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
315 AM CDT Mon Aug 17 2026
.DISCUSSION...
Light, north winds are in place today, becoming light and variable
tomorrow. Ventilation rates will be fair today and poor tomorrow.
Dry weather is on deck for today. Rain returns to the forecast by
tomorrow afternoon. RH will be 60-70%.
ILZ027>031-036>038-172115-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
315 AM CDT Mon Aug 17 2026
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None Tstms
Chance Precip (%) 0 0 20
Chance of Thunder (%) 0 0 20
Temp (24h trend) 79 (-7) 61 (-6) 82
RH % (24h trend) 64 (-14) 100 (+2) 69
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) N 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(ft-agl) 4690 3100
1700ft Mixing Temp 75 77
Transport Wnd (mph) N 12 W 14
Vent Rate (mph-ft) 56280 43400
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Highs in the upper 70s.
Minimum RH 76 percent. Light winds.
.THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 68 percent. Northeast winds around 5 mph.
.FRIDAY...Mostly clear. Lows around 60. Highs in the upper 70s.
Minimum RH 67 percent. Light winds.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
70s. Minimum RH 72 percent. North winds around 5 mph.
$$
ILZ040>043-047>053-172115-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
315 AM CDT Mon Aug 17 2026
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 81 (-6) 61 (-8) 85
RH % (24h trend) 61 (-13) 100 (+1) 62
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) N 7 Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 4750 3450
1700ft Mixing Temp 76 79
Transport Wnd (mph) N 13 W 10
Vent Rate (mph-ft) 61750 34500
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with showers likely. Lows in the upper
60s. Highs in the lower 80s. Minimum RH 74 percent. Light winds.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs around 80.
Minimum RH 65 percent. Northeast winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Minimum RH 61 percent. Light winds.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 64 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
70s. Minimum RH 63 percent. Northwest winds around 5 mph.
$$
ILZ044>046-054>057-061-172115-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
315 AM CDT Mon Aug 17 2026
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 81 (-6) 60 (-9) 83
RH % (24h trend) 66 (-11) 100 (+1) 62
Wind 20ft/early(mph) NW 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) N 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 4110 3740
1700ft Mixing Temp 76 76
Transport Wnd (mph) N 15 SW 9
Vent Rate (mph-ft) 61650 33660
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Showers likely. Lows in the mid 60s.
Highs in the lower 80s. Minimum RH 75 percent. Southwest winds
around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. Minimum RH 68 percent. Northeast
winds around 5 mph.
.FRIDAY...Partly cloudy. Lows around 60. Highs around 80. Minimum
RH 64 percent. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 67 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
70s. Minimum RH 66 percent. Northwest winds around 5 mph.
$$
ILZ062-063-066>068-071>073-172115-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
315 AM CDT Mon Aug 17 2026
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 83 (-7) 62 (-9) 84
RH % (24h trend) 62 (-7) 100 (+1) 55
Wind 20ft/early(mph) NW 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) NW 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl) 4290 3830
1700ft Mixing Temp 78 78
Transport Wnd (mph) N 14 W 7
Vent Rate (mph-ft) 60060 26810
Vent Rate Category Fair Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Showers likely. Lows in the upper
60s. Highs in the mid 80s. Minimum RH 71 percent. Southwest winds
around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. Minimum RH
68 percent. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 61 percent. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 61 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Minimum RH 58 percent. Northwest winds around 5 mph.
$$
Copple