280
FNUS53 KILX 200853
FWFILX

Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
353 AM CDT Wed Aug 20 2025

.DISCUSSION...

Northeasterly winds are expected today and tomorrow. A few
showers are possible west of the Illinois River this afternoon,
otherwise no rain is expected through the end of the work week.
Ventilation today will be best across eastern Illinois where
winds are strongest. Humidity remains on the higher side today,
but should gradually trend lower into the weekend. Expect
seasonable temperatures for the rest of the week, followed by
below normal temperatures early next week.

ILZ027>031-036>038-202115-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
353 AM CDT Wed Aug 20 2025

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      84 (0)       60 (-6)      83
RH % (24h trend)      67 (-4)      100 (+2)     58
Wind 20ft/early(mph)  Lgt/Var      NE  5        Lgt/Var
Wind 20ft/late(mph)   NE  5        Lgt/Var      NE  5
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl)    3650                      4410
1700ft Mixing Temp    77                        75
Transport Wnd (mph)   NE 10                     NE 12
Vent Rate (mph-ft)    36500                     52920
Vent Rate Category    Poor                      Fair

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Minimum RH 59 percent. Light winds.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Minimum RH 55 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 54 percent. Northwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
70s. Minimum RH 51 percent. Northwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the mid 70s.
Minimum RH 48 percent. Northwest winds around 5 mph.

$$

ILZ040>043-047>053-202115-
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
353 AM CDT Wed Aug 20 2025

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      85 (-2)      61 (-6)      83
RH % (24h trend)      62 (-4)      100 (+1)     55
Wind 20ft/early(mph)  Lgt/Var      NE  5        Lgt/Var
Wind 20ft/late(mph)   NE  6        Lgt/Var      NE  6
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl)    4270                      4530
1700ft Mixing Temp    79                        76
Transport Wnd (mph)   N 12                      NE 13
Vent Rate (mph-ft)    51240                     58890
Vent Rate Category    Fair                      Fair

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Minimum RH 57 percent. Light winds.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. Minimum RH 54 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 49 percent. Northwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
70s. Minimum RH 46 percent. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 46 percent. Northwest winds around 5 mph.

$$

ILZ044>046-054>057-061-202115-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
353 AM CDT Wed Aug 20 2025

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      84 (-3)      61 (-6)      83
RH % (24h trend)      62 (-7)      100 (+3)     58
Wind 20ft/early(mph)  Lgt/Var      NE  6        NE  5
Wind 20ft/late(mph)   N  7         Lgt/Var      NE  6
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl)    4260                      4260
1700ft Mixing Temp    76                        75
Transport Wnd (mph)   N 17                      NE 13
Vent Rate (mph-ft)    72420                     55380
Vent Rate Category    Good                      Fair

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Minimum RH 55 percent. Light winds.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. Minimum RH 54 percent. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 46 percent. Northwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 45 percent. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Minimum RH 42 percent. Light winds.

$$

ILZ062-063-066>068-071>073-202115-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
353 AM CDT Wed Aug 20 2025

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      85 (-8)      63 (-6)      83
RH % (24h trend)      58 (-3)      97 (+1)      57
Wind 20ft/early(mph)  NE  6        NE  6        N  5
Wind 20ft/late(mph)   N  8         Lgt/Var      NE  7
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(ft-agl)    4500                      4050
1700ft Mixing Temp    78                        77
Transport Wnd (mph)   N 17                      NE 13
Vent Rate (mph-ft)    76500                     52650
Vent Rate Category    Good                      Fair

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Minimum RH 55 percent. North winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. Minimum RH 53 percent. Northwest winds around 5 mph.
.SUNDAY...Mostly clear. Lows around 60. Highs in the upper 70s.
Minimum RH 46 percent. Northwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 44 percent. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 43 percent. Northwest winds around 5 mph.

$$

Erwin