622
FNUS73 KILX 121422
FWSILX

Spot Forecast for Meredosia HP...IDNR
National Weather Service Lincoln IL
822 AM CST Wed Nov 12 2025

Forecast is based on ignition time of 1000 CST on November 12.
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...

Moderate west-northwest winds are expected today, with gusts 20-25
mph. Afternoon RH values will drop into the low 30s this
afternoon, meaning there is marginally elevated fire weather
conditions. Ventilation remains good today, but becomes poor on
Thursday as winds become lighter. Winds on Thursday will be out of
the south. Mostly dry conditions are forecast, along with
gradually warming temperatures.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........53 at ignition...Max 61.
RH..................48 percent at ignition...Min 30 percent.
Wind (20 ft)........Winds northwest at 13 mph at
                    ignition...otherwise Northwest winds 5 to 12
                    mph.
Mixing height.......1500 ft AGL at ignition...otherwise 3700 ft
                    AGL.
Transport winds.....Northwest 15 to 24 mph decreasing to around 12
                    mph late in the afternoon.
Smoke dispersal.....Poor /22800 knot-ft/ at ignition. Max...Good
                    /77700 knot-ft/.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   8   4   3   2   12  19  24
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0
Temp............53  57  59  60  61  61  59  55
RH..............48  38  33  31  30  30  32  38
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..13  13  15  15  15  14  14  14
20 FT wind gust.22  22  23  23  23  22  22  22
Mix hgt (kft)...1.5 2.3 3.1 3.5 3.7 3.3 0.9 0.5
Transp wind dir.NW  NW  NW  NW  NW  NW  W   NW
Transp wind spd.17  21  23  24  24  22  15  12
Vrate kt-ft/1K..23  41  62  73  78  62  12  5
Ventrate Cat....PR  FR  GD  GD  GD  GD  PR  PR

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........Min 36.
RH..................Max 89 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....West 3 to 12 mph.
Smoke dispersal.....Poor (1300 knot-ft).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........34  39  44  39  32  39  40  38  30  29  34  38
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............50  47  45  44  43  42  41  40  39  38  37  36
RH..............48  56  60  62  65  67  73  76  76  79  79  82
20 FT wind dir..W   W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   5   5   2   2   2   2   2   2   1   1   1
20 FT wind gust.9   9   9   8   8   8   7   7   7   5   5   5
Mix hgt (kft)...0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.12  12  12  10  12  9   9   9   8   7   5   3
Vrate kt-ft/1K..5   5   5   4   5   4   4   4   3   3   2   1
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.THURSDAY...

Sky/weather.........Partly sunny (50-60 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Temperature.........Max 63.
RH..................Min 36 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
                    afternoon.
Mixing height.......1800 ft AGL.
Transport winds.....South 3 to 10 mph increasing to 14 to 17 mph
                    late in the morning.
Smoke dispersal.....Poor (900 knot-ft).

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........43  44  51  53  65  67  69  70  70  71  68  65
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............36  36  39  45  51  56  60  62  63  63  61  59
RH..............82  89  85  70  59  49  41  38  36  38  42  45
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..1   1   1   5   5   5   7   7   7   7   7   7
20 FT wind gust.5   5   5   10  10  10  13  13  13  13  13  13
Mix hgt (kft)...0.4 0.3 0.3 0.5 0.9 1.3 1.7 1.7 1.7 1.8 1.3 0.9
Transp wind dir.SE  SE  S   S   S   S   S   S   S   S   S   S
Transp wind spd.3   3   5   7   10  14  16  17  17  16  16  15
Vrate kt-ft/1K..1   1   1   3   8   15  24  25  25  25  18  12
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...Copple
Requested by...Ray Geroff
Type of request...PRESCRIBED
.TAG 2525671.0/ILX
.DELDT 11/12/25
.FormatterVersion 2.0.0
.EMAIL ray.geroff@illinois.gov