586
FNUS73 KILX 082231
FWSILX

Spot Forecast for Shelbyville SFWA Prescribed Burn...IDNR
National Weather Service Lincoln IL
531 PM CDT Thu Oct 8 2026

Forecast is based on ignition time of 1000 CDT on October 09.
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...

A slight chance of showers and thunderstorms remains in the forecast
for areas north of Canton to Bloomington Friday morning.
Otherwise dry weather will prevail across much of central and
southeast IL through sunset Saturday. Relative humidity will be
low Friday into Saturday, with minimum RH values of 20-35%
southeast of the IL river Friday afternoon. Southerly winds will
increase to around 10 mph on Friday with gusts up to 20 mph Friday
afternoon with similar winds expected Saturday. Ventilation rates
will be fair to good on Friday as transport winds increase.

Widespread rain is looking more likely for east central and
southeast IL Saturday night into Sunday morning as the remnants
of Hurricane Isaias lifts northward into the Tennessee and Ohio
Valley Region. Current projections have the heavier rainfall
amounts in southeast IL, where a half to 1 inch of needed rainfall
is possible from I-70 southeast.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...3 percent.
Temperature.........69 at ignition...Max 86.
RH..................53 percent at ignition...Min 28 percent.
Wind (20 ft)........Winds south at 9 mph at ignition...otherwise
                    South winds 6 to 8 mph.
Mixing height.......1200 ft AGL at ignition...otherwise 4800 ft
                    AGL.
Transport winds.....South 14 to 16 mph.
Smoke dispersal.....Poor /15200 knot-ft/ at ignition. Max...Good
                    /66800 knot-ft/.

TIME (CDT)      10 AM  NOON   2 PM   4 PM
Sky (%).........18     16     15     8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0
Chc of thdr (%).0      0      0      0
Temp............69     78     84     86
RH..............53     38     30     28
20 ft wind......S 9    S 10   S 10   S 10
20 ft wind gust.14     16     16     16
Mix hgt (ft)....1200   2500   4500   4700
Transport wind..S 15   S 15   S 16   S 16
Vrate kt-ft/1K..15     33     63     65
Ventrate Cat....POOR   POOR   GOOD   GOOD

$$
Forecaster...Auten
Requested by...Bryan Eubanks
Type of request...PRESCRIBED
.TAG 2623452.0/ILX
.DELDT 10/08/26
.FormatterVersion 2.0.0
.EMAIL bryan.eubanks@illinois.gov