Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
955
FNUS53 KILX 051955
FWFILX
Fire Weather Planning Forecast for Central/Southeast Illinois
National Weather Service Lincoln IL
155 PM CST Fri Dec 5 2025
.DISCUSSION...
Mixing heights remain on the low side into next week, which
results in poor ventilation through the weekend. Accumulating snow
is possible late Saturday night into Sunday, mainly north of I-72.
Winds will be out of the south Friday afternoon, then shift to
northwesterly overnight into Saturday morning. Winds become light
and variable during the day Saturday, further reducing the
ventilation. Expect changing wind directions during the day on
Sunday as a low pressure system track across the region.
ILZ027>031-036>038-061015-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, and Normal
155 PM CST Fri Dec 5 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Snow Snow
Chance Precip (%) 0 0 80 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (+22) 31 (+2) 22 30
RH % (24h trend) 100 (+11) 80 (+16) 100 81
Wind 20ft/early(mph) SW 7 Lgt/Var Lgt/Var NE 7
Wind 20ft/late(mph) W 5 Lgt/Var SE 5 N 9
Precip Amount 0.00 0.00 0.17 0.03
Precip Duration 7 2
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(ft-agl) 1510 1820
1700ft Mixing Temp 33 30
Transport Wnd (mph) NW 8 N 22
Vent Rate (mph-ft) 12080 40040
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Lows around 5. Highs in the lower 20s.
Minimum RH 83 percent. Northeast winds around 5 mph.
.TUESDAY...Mostly cloudy. Not as cool. Lows around 13. Highs in
the upper 30s. Minimum RH 83 percent. Southwest winds around
10 mph.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow. Lows
in the upper 20s. Highs in the upper 30s. Minimum RH 80 percent.
Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy. Lows around 17. Highs around 30.
Minimum RH 70 percent. West winds 5 to 10 mph.
.FRIDAY...Mostly cloudy. Lows around 12. Highs in the lower 20s.
Minimum RH 66 percent. West winds 5 to 10 mph.
$$
ILZ040>043-047>053-061015-
Schuyler-Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-
Including the cities of Rushville, Havana, Lincoln, Clinton,
Beardstown, Petersburg, Winchester, Jacksonville, Springfield,
Taylorville, and Decatur
155 PM CST Fri Dec 5 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Snow Snow/Rain
Chance Precip (%) 0 0 60 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+23) 32 (+2) 25 33
RH % (24h trend) 100 (+13) 78 (+15) 100 78
Wind 20ft/early(mph) SW 6 Lgt/Var Lgt/Var NE 7
Wind 20ft/late(mph) W 5 Lgt/Var SE 5 N 9
Precip Amount 0.00 0.00 0.08 0.03
Precip Duration 5 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 1430 1830
1700ft Mixing Temp 36 34
Transport Wnd (mph) NW 7 N 22
Vent Rate (mph-ft) 10010 40260
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Lows around 9. Highs in the mid 20s.
Minimum RH 75 percent. North winds around 5 mph.
.TUESDAY...Partly cloudy. Not as cool. Lows around 16. Highs
around 40. Minimum RH 76 percent. Southwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the
lower 30s. Highs in the upper 30s. Minimum RH 69 percent.
Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy. Lows around 20. Highs in the mid 30s.
Minimum RH 61 percent. Northwest winds 5 to 10 mph.
.FRIDAY...Mostly cloudy. Colder. Lows around 15. Highs in the mid
20s. Minimum RH 59 percent. Northwest winds 5 to 10 mph.
$$
ILZ044>046-054>057-061-061015-
Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Monticello, Champaign, Urbana, Danville,
Sullivan, Tuscola, Charleston, Mattoon, Paris, and Shelbyville
155 PM CST Fri Dec 5 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Snow Snow/Rain
Chance Precip (%) 0 0 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 19 (+19) 32 (+5) 23 33
RH % (24h trend) 100 (+9) 83 (+9) 100 86
Wind 20ft/early(mph) S 6 Lgt/Var Lgt/Var E 5
Wind 20ft/late(mph) SW 6 Lgt/Var Lgt/Var N 7
Precip Amount 0.00 0.00 0.03 0.05
Precip Duration 1 5
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 1510 1450
1700ft Mixing Temp 34 36
Transport Wnd (mph) W 9 N 17
Vent Rate (mph-ft) 13590 24650
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Lows around 11. Highs in the mid 20s.
Minimum RH 77 percent. North winds around 5 mph.
.TUESDAY...Mostly cloudy. Not as cool. Lows around 13. Highs in
the upper 30s. Minimum RH 79 percent. Southwest winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy with a chance of rain. Lows around 30.
Highs in the upper 30s. Minimum RH 76 percent. Southwest winds
around 10 mph.
.THURSDAY...Mostly cloudy. Lows around 19. Highs in the lower
30s. Minimum RH 63 percent. West winds 5 to 10 mph.
.FRIDAY...Mostly cloudy. Colder. Lows around 14. Highs in the
lower 20s. Minimum RH 65 percent. West winds 5 to 10 mph.
$$
ILZ062-063-066>068-071>073-061015-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
155 PM CST Fri Dec 5 2025
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Snow/Rain Snow/Rain
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (+13) 37 (+4) 26 40
RH % (24h trend) 100 (+6) 77 (+9) 100 82
Wind 20ft/early(mph) S 5 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 Lgt/Var Lgt/Var N 7
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1 2
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 1780 1170
1700ft Mixing Temp 37 41
Transport Wnd (mph) W 9 N 14
Vent Rate (mph-ft) 16020 16380
Vent Rate Category Poor Poor
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. A chance of snow. Lows around 18. Highs
around 30. Minimum RH 60 percent. North winds around 5 mph.
.TUESDAY...Partly cloudy. Not as cool. Lows around 19. Highs in
the lower 40s. Minimum RH 62 percent. Southwest winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the
lower 30s. Highs in the mid 40s. Minimum RH 63 percent. Southwest
winds around 10 mph.
.THURSDAY...Mostly cloudy. Lows in the mid 20s. Highs in the
upper 30s. Minimum RH 55 percent. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Colder. Lows around 19. Highs in the
upper 20s. Minimum RH 57 percent. West winds 5 to 10 mph.
$$
Erwin