553
FNUS73 KILX 231242
FWSILX

Spot Forecast for Spring Lake Bottoms Rx Burn...Illinois DNR
National Weather Service Lincoln IL
742 AM CDT Fri Oct 23 2026

Forecast is based on ignition time of 1100 CDT on October 23.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (217) 732-3089 if you have questions
or concerns with this forecast.

.DISCUSSION...

Tranquil weather will continue for the next several days, with no
meaningful rain chances through early next week. Afternoon
relative humidity will drop into the 30-40% range. Light winds,
trending toward the southeast today and Saturday, will result
in poor ventilation rates.


.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........65 at ignition...Max 76.
RH..................62 percent at ignition...Min 42 percent.
Wind (20 ft)........Winds south at 3 mph at ignition...otherwise
                    Light winds becoming southeast around 5 mph in
                    the afternoon.
Mixing height.......1300 ft AGL at ignition...otherwise 4700 ft
                    AGL.
Transport winds.....Southeast 8 to 9 mph.
Smoke dispersal.....Poor /8800 knot-ft/ at ignition. Max...Poor
                    /34100 knot-ft/.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   4   4   6   9   12  11
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0
Temp............65  71  74  75  75  76  74
RH..............62  53  46  45  45  42  44
20 FT wind dir..S   S   S   S   SE  SE  SE
20 FT wind spd..3   6   6   6   6   6   6
20 FT wind gust.8   10  10  10  9   9   9
Mix hgt (kft)...1.3 2.6 3.8 4.6 4.7 4.3 2.2
Transp wind dir.S   S   S   SE  SE  SE  SE
Transp wind spd.8   8   8   8   8   9   9
Vrate kt-ft/1K..9   18  26  32  33  34  18
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........Min 48.
RH..................Max 93 percent.
Wind (20 ft)........Light winds.
Mixing height.......300 ft AGL.
Transport winds.....Southeast 9 to 12 mph.
Smoke dispersal.....Poor (2600 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   8   10  13  16  17  19  21  21  22  23  25
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............71  67  62  60  58  56  54  53  53  52  51  49
RH..............49  54  65  67  67  72  77  80  80  80  83  86
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..5   5   5   5   5   5   3   3   3   3   3   3
20 FT wind gust.10  10  10  10  10  10  10  10  10  9   9   9
Mix hgt (kft)...0.6 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.SE  SE  SE  SE  SE  S   SE  SE  SE  SE  SE  SE
Transp wind spd.9   9   10  10  12  12  10  10  12  12  10  10
Vrate kt-ft/1K..5   3   4   4   4   4   4   4   4   4   4   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........Max 75.
RH..................Min 41 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
                    late morning and afternoon.
Mixing height.......3600 ft AGL.
Transport winds.....South 9 to 12 mph.
Smoke dispersal.....Poor (3200 knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28  30  32  34  37  39  42  44  43  42  42  41
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............49  48  50  54  60  65  70  72  74  75  75  73
RH..............89  93  89  86  72  63  53  46  44  41  41  44
20 FT wind dir..SE  SE  SE  SE  SE  SE  S   S   S   S   S   S
20 FT wind spd..3   3   3   6   6   6   7   7   7   7   7   7
20 FT wind gust.8   8   8   10  10  10  12  12  12  12  12  12
Mix hgt (kft)...0.4 0.4 0.4 0.6 1.0 1.5 2.5 3.2 3.2 3.6 3.4 1.4
Transp wind dir.SE  SE  SE  S   S   S   S   S   S   S   S   S
Transp wind spd.9   9   9   10  12  10  10  10  12  12  12  10
Vrate kt-ft/1K..3   3   4   5   10  14  22  28  32  36  34  12
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...MJA
Requested by...Greg Fretueg
Type of request...PRESCRIBED
.TAG 2624408.0/ILX
.DELDT 10/23/26
.FormatterVersion 2.0.0
.EMAIL gregory.fretueg@illinois.gov