338
FNUS73 KILX 261322
FWSILX

Spot Forecast for Phillips Old Field...IL Natural History Survey/UIUC
National Weather Service Lincoln IL
822 AM CDT Wed Mar 26 2025

Forecast is based on ignition time of 1000 CDT on March 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 weather is expected for the rest of today. West- northwest
winds around 10 kts will be common this afternoon with some
occasional gusts approaching 20 mph. Minimum RH`s look to drop
into the 25-35% range this afternoon with good to very good
ventilation rates.

Precipitation chances increase late tonight into Thursday as a
warm front lifts through the area. Mostly cloudy skies and
scattered precipitation on Thursday will lead to less favorable
burning conditions.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
Chance of pcpn......0 percent.
Temperature.........50 at ignition...Max 57.
RH..................56 percent at ignition...Min 35 percent.
Wind (20 ft)........Winds west at 7 mph at ignition...otherwise
                    West winds 5 to 10 mph.
Mixing height.......2000 ft AGL at ignition...otherwise 7500 ft
                    AGL.
Transport winds.....West 10 to 18 mph.
Smoke dispersal.....Poor /17900 knot-ft/ at ignition. Max...Very
                    Good /107100 knot-ft/ increasing to Very Good
                    (108700 knot-ft) late in the afternoon.

TIME (CDT)      10 AM  NOON   2 PM   4 PM
Sky (%).........37     49     47     32
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0
Temp............50     52     55     57
RH..............56     52     43     35
20 ft wind......W 7    W 12   W 12   W 13
20 ft wind gust.13     16     16     17
Mix hgt (ft)....2000   5100   6700   7500
Transport wind..W 10   W 16   W 18   W 18
Vrate kt-ft/1K..18     72     107    119
Ventrate Cat....POOR   GOOD   VYGD   VYGD

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (55-65 percent). Slight chance of
                    rain early in the morning.
Chance of pcpn......20 percent.
Temperature.........Min 40.
RH..................Max 76 percent.
Wind (20 ft)........West winds 5 to 6 mph early in the evening
                    becoming light, then becoming south around 5
                    mph after 3 am.
Mixing height.......300 ft AGL.
Transport winds.....West 8 to 16 mph shifting to the southwest 6 to
                    12 mph in the late evening and overnight.
Smoke dispersal.....Good (86400 knot-ft) early in the evening
                    decreasing to Poor (2000 knot-ft) late in the
                    night.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........23     25     39     51     58     60
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      10     10
Temp............55     47     42     41     40     40
RH..............37     51     65     70     73     76
20 ft wind......W 7    W 7    SW 5   S 5    S 5    S 6
20 ft wind gust.12     12     7      8      8      12
Mix hgt (ft)....6200   700    300    300    300    300
Transport wind..W 16   W 8    SW 7   SW 8   S 8    S 10
Vrate kt-ft/1K..86     5      2      2      2      3
Ventrate Cat....GOOD   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...Erwin
Requested by...Nathan Hudson
Type of request...PRESCRIBED
.TAG 2508013.0/ILX
.DELDT 03/26/25
.FormatterVersion 2.0.0
.EMAIL nhudson@illinois.edu