Spot Forecast
Issued by NWS Central Illinois

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1
516
FNUS73 KILX 261339
FWSILX

Spot Forecast for Ballard Nature Center - RxFire...IDNR-INPC
National Weather Service Lincoln IL
839 AM CDT Tue Aug 26 2025

Forecast is based on ignition time of 1200 CDT on August 26.
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...

Dry conditions will prevail over the next couple of days. Surface
winds will be light and variable this morning, then will set up
out of the northwest around 5-10 mph through the late morning and
afternoon. After another light and variable period overnight into
Thursday morning, winds will set up out of the southwest
Wednesday. Deep mixing in excess of 5000 feet is expected this
afternoon with fair to good vent rates. RH will bottom out
between 35 and 45 percent this afternoon.


.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........71 at ignition...Max 74.
RH..................46 percent at ignition...Min 41 percent.
Wind (20 ft)........Winds northwest at 7 mph at
                    ignition...otherwise Northwest winds 5 to 10
                    mph.
Mixing height.......5500 ft AGL at ignition...otherwise 6700 ft
                    AGL.
Transport winds.....Northwest 10 to 12 mph.
Smoke dispersal.....Fair /49100 knot-ft/ at ignition. Max...Good
                    /65400 knot-ft/.

TIME (CDT)      NOON   2 PM   4 PM
Sky (%).........18     22     20
Weather cov.....
Weather type....NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0
Chc of thdr (%).0      0      0
Temp............71     73     74
RH..............46     43     41
20 ft wind......NW 7   NW 7   NW 7
20 ft wind gust.12     12     10
Mix hgt (ft)....5500   6500   6700
Transport wind..NW 10  NW 12  NW 10
Vrate kt-ft/1K..49     65     61
Ventrate Cat....FAIR   GOOD   GOOD

.TONIGHT...

Sky/weather.........Mostly clear (5-15 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.....North 3 to 10 mph.
Smoke dispersal.....Poor (1200 knot-ft).

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........17     10     3      3      2      2
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Chc of thdr (%).0      0      0      0      0      0
Temp............71     64     59     55     53     50
RH..............47     63     72     77     83     89
20 ft wind......N 3    N 3    N 1    N 0    N 0    N 0
20 ft wind gust.8      8      3      2      2      1
Mix hgt (ft)....3200   400    400    400    400    400
Transport wind..N 10   N 8    N 7    N 6    NE 5   NE 5
Vrate kt-ft/1K..28     3      2      2      2      2
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.WEDNESDAY...

Sky/weather.........Sunny (15-25 percent) then becoming partly
                    sunny (50-60 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........Max 77.
RH..................Min 42 percent.
Wind (20 ft)........Light winds.
Mixing height.......6100 ft AGL.
Transport winds.....Northeast 2 to 3 mph shifting to the east
                    around 2 mph early in the morning, then
                    shifting to the south 3 to 6 mph late in the
                    morning shifting to the southwest 6 to 7 mph in
                    the afternoon.
Smoke dispersal.....Poor (500 knot-ft).

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........2      3      13     39     56     56
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Chc of thdr (%).0      0      0      0      0      0
Temp............49     56     69     73     75     76
RH..............89     80     55     46     43     43
20 ft wind......N 0    N 0    SW 3   SW 2   SW 2   SW 2
20 ft wind gust.2      2      5      6      6      6
Mix hgt (ft)....300    400    2600   5200   6100   6000
Transport wind..N 3    E 2    SW 5   SW 7   SW 7   W 6
Vrate kt-ft/1K..1      1      10     30     36     30
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...Deubelbeiss
Requested by...Sami Childerson
Type of request...PRESCRIBED
.TAG 2520714.0/ILX
.DELDT 08/26/25
.FormatterVersion 2.0.0
.EMAIL sami.childerson@illinois.gov