Spot Forecast
Issued by NWS Chicago, IL

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FNUS73 KLOT 131253
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Spot Forecast for Midewin Fall RX burn...USFS
National Weather Service Chicago IL
653 AM CST Thu Nov 13 2025

Forecast is based on ignition time of 0700 CST on November 13.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (815) 834-0666 if you have questions
or concerns with this forecast.

.DISCUSSION...
Dry weather remains in the forecast today as temperatures warm
into the mid 50s by the afternoon. Both surface and transport
winds will be light through the day as high pressure grows. Wind
directions begin out of the west this morning before becoming
southerly late in the day.

.REST OF TODAY...

Sky/weather.........Mostly sunny then becoming partly cloudy.
Temperature.........37 at ignition...Max 55.
RH..................76 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds west at 5 mph at ignition...otherwise
                    Light winds becoming southwest around 5 mph
                    late in the morning, then shifting to the south
                    late in the afternoon.
Chance of pcpn......0 percent.
Transport winds.....West 6 to 8 mph shifting to the south 6 to 7
                    mph late in the afternoon.
Mixing height.......400 ft AGL at ignition...otherwise 2100 ft AGL.
Smoke dispersal.....Poor /2400 knot-ft/ at ignition. Max...fair
                    /15000 knot-ft/.

TIME (CST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  20  20  20  20  20  25  30  35  36  37
Weather cov.....
Weather type....
Temp............37  41  44  46  50  52  54  55  55  53  50
RH..............76  64  59  54  46  40  36  34  34  37  44
20 FT wind dir..270 270 270 280 270 250 240 230 210 180 160
20 FT wind spd..5   3   3   3   5   5   6   6   5   5   5
20 FT wind gust.6   7   7   7   8   9   9   9   8   7   7
Mix hgt (kft)...0.4 0.3 0.5 1.0 1.5 1.9 2.1 2.1 1.9 0.6 0.4
Transp wind dir.270 270 270 280 270 250 240 230 210 180 170
Transp wind spd.8   6   7   6   7   8   8   8   7   6   6
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0
Vrate kt-ft/1K..2   2   3   5   9   13  15  15  12  3   2

.TONIGHT...

Sky/weather.........Partly cloudy.
Temperature.........Min 37.
RH..................Max 100 percent.
Wind (20 ft)........South winds around 5 mph.
Chance of pcpn......0 percent.
Transport winds.....Southeast 8 to 13 mph shifting to the south 12
                    to 14 mph overnight.
Mixing height.......400 ft AGL.
Smoke dispersal.....Poor (2500 knot-ft).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........37  35  32  29  26  23  20  18  16  14  17  20
Weather cov.....
Weather type....
Temp............47  45  43  42  41  40  40  39  39  38  38  37
RH..............51  57  62  66  70  73  76  79  82  86  91  95
20 FT wind dir..150 150 150 160 160 160 160 160 160 160 160 160
20 FT wind spd..5   5   5   5   5   5   6   6   6   6   6   5
20 FT wind gust.7   7   8   9   9   10  10  10  10  10  10  9
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.150 150 150 160 160 160 160 160 160 160 160 160
Transp wind spd.8   8   9   10  12  13  13  13  14  13  12  12
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Vrate kt-ft/1K..3   3   3   4   4   5   5   5   5   5   5   4

.FRIDAY...

Sky/weather.........Mostly sunny.
Temperature.........Max 65.
RH..................Min 67 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph early in
                    the morning.
Chance of pcpn......0 percent.
Transport winds.....South 8 to 12 mph.
Mixing height.......1500 ft AGL.
Smoke dispersal.....Poor (2700 knot-ft) early in the morning
                    increasing to fair (14300 knot-ft) in the
                    afternoon.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23  22  20  16  17  17  17  17  17  18  20  23
Weather cov.....
Weather type....
Temp............38  39  44  49  54  58  61  64  65  65  62  59
RH..............100 100 96  88  79  74  69  67  67  69  76  87
20 FT wind dir..150 150 160 170 180 190 190 190 180 180 180 170
20 FT wind spd..5   5   5   5   5   6   6   6   6   6   6   6
20 FT wind gust.9   9   9   9   10  10  12  12  12  12  10  10
Mix hgt (kft)...0.4 0.4 0.4 0.6 0.8 1.1 1.3 1.4 1.5 1.5 1.1 0.7
Transp wind dir.150 150 160 170 180 190 190 190 180 180 180 170
Transp wind spd.10  10  8   9   9   10  10  12  12  10  10  10
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Vrate kt-ft/1K..4   4   3   5   7   10  12  14  14  14  10  7

$$
Forecaster...King
Requested by...Krystal Reddy
Type of request...PRESCRIBED
.TAG 2525802.0/LOT
.DELDT 11/13/25
.FormatterVersion 2.0.0