325
FNUS73 KILX 011253
FWSILX

Spot Forecast for Upper Embarras Woods RX...IDNR
National Weather Service Lincoln IL
653 AM CST Sun Mar 1 2026

Forecast is based on ignition time of 0700 CST on March 01.
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 will prevail across central and southeast Illinois
today with northeasterly winds of 10-15mph. A fast-moving storm
system will bring a period of light snow tonight into early Monday
morning...primarily south of the I-74 corridor. Mainly dry
conditions are anticipated to return by Monday afternoon, with
just a few lingering rain showers along and south of I-70. Winds
will veer to easterly at 10-15mph on Monday. Ventilation will
remain poor both days.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (75-85 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........28 at ignition...Max 41.
RH..................75 percent at ignition...Min 50 percent.
Wind (20 ft)........Winds northeast at 13 mph at
                    ignition...otherwise Northeast winds 7 to 12
                    mph.
Mixing height.......1700 ft AGL at ignition...otherwise 3100 ft
                    AGL.
Transport winds.....Northeast 15 to 20 mph.
Smoke dispersal.....Poor /28100 knot-ft/ at ignition. Max...Fair
                    /43300 knot-ft/.

TIME (CST)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........90     79     67     70     80     85
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............28     32     36     39     41     40
RH..............75     72     61     54     50     50
20 ft wind......NE 13  NE 14  NE 14  NE 13  NE 12  NE 12
20 ft wind gust.21     21     21     20     18     18
Mix hgt (ft)....1700   2000   2300   2700   3100   2400
Transport wind..NE 20  NE 18  NE 17  E 15   E 15   E 18
Vrate kt-ft/1K..28     32     35     35     40     39
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Chance of snow in the
                    evening, then snow and slight chance of light
                    freezing rain overnight.
Chance of pcpn......90 percent.
Chance of thunder...2 percent.
Temperature.........Min 28.
RH..................Max 88 percent.
Wind (20 ft)........East winds 7 to 8 mph.
Mixing height.......1100 ft AGL.
Transport winds.....East 15 to 18 mph.
Smoke dispersal.....Poor (16100 knot-ft).

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........88     93     97     100    95     85
Weather cov.....              CHANCE LIKELY LIKELY CHANCE
Weather type....NONE   NONE   SNOW   SNOW   SNOW   SNOW
Tstm cov........
Chc of pcpn (%).0      10     30     60     70     40
Chc of thdr (%).0      0      0      0      0      0
Temp............38     35     34     32     31     30
RH..............52     59     58     69     75     81
20 ft wind......NE 8   NE 8   E 8    E 9    E 9    E 10
20 ft wind gust.15     15     15     16     16     17
Mix hgt (ft)....1800   1700   1700   1400   1200   1100
Transport wind..E 17   E 15   E 16   E 16   E 17   E 17
Vrate kt-ft/1K..27     22     23     20     19     16
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.MONDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    snow early in the morning. Slight chance of
                    light freezing rain early in the morning, then
                    slight chance of rain in the afternoon.
Chance of pcpn......20 percent.
Chance of thunder...1 percent.
Temperature.........Max 42.
RH..................Min 76 percent.
Wind (20 ft)........East winds 6 to 9 mph.
Mixing height.......1800 ft AGL.
Transport winds.....East 14 to 20 mph.
Smoke dispersal.....Poor (16200 knot-ft).

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........70     87     88     93     91     91
Weather cov.....S CHC  S CHC         S CHC  S CHC  S CHC
Weather type....ZRN/SN FZRAIN NONE   RAIN   RAIN   RAIN
Tstm cov........
Chc of pcpn (%).20     20     10     20     20     20
Chc of thdr (%).0      0      0      0      0      0
Temp............29     31     35     38     41     41
RH..............88     85     85     82     76     79
20 ft wind......E 10   E 10   E 12   E 12   E 12   E 10
20 ft wind gust.18     18     18     18     18     16
Mix hgt (ft)....1100   1300   1500   1800   1600   1500
Transport wind..E 18   E 20   E 20   E 18   E 17   E 15
Vrate kt-ft/1K..18     21     25     28     24     19
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...Deubelbeiss
Requested by...Morgan Wood
Type of request...PRESCRIBED
.TAG 2604379.0/ILX
.DELDT 03/01/26
.FormatterVersion 2.0.0
.EMAIL morgan.wood@illinois.gov