Spot Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
996
FNUS73 KLOT 021531
FWSLOT
Spot Forecast for RX PWW FPDDC...Forest Preserve District of DuPage County
National Weather Service Chicago IL
931 AM CST Mon Mar 2 2026
Forecast is based on ignition time of 1000 CST on March 02.
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...
Expect SE winds today at around 10 mph. Dewpoints will be stuck in
the middle teens today, resulting in RHs as low as around 30
percent this afternoon. High temperature will be in the middle
40s. No precipitation today with mostly sunny skies becoming
partly cloudy by late afternoon.
Dewpoints will surge into the middle and upper 30s for Tuesday
with temperatures again expected in the lower and middle 40s.
Skies will be cloudy with a chance for some drizzle or a few
isolated showers throughout the day.
.REST OF TODAY...
Sky/weather.........Sunny then becoming partly cloudy then becoming
mostly cloudy.
Temperature.........34 at ignition...Max 45.
RH..................44 percent at ignition...Min 28 percent.
Wind (20 ft)........Winds southeast at 8 mph at
ignition...otherwise Southeast winds 5 to 7
mph.
Chance of pcpn......0 percent.
Transport winds.....Southeast 9 to 14 mph decreasing to around 8
mph late in the afternoon.
Mixing height.......1600 ft AGL at ignition...otherwise 2400 ft
AGL.
Smoke dispersal.....Fair /19600 knot-ft/ at ignition. Max...fair
/21300 knot-ft/.
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5 7 6 7 12 40 50 58
Weather cov.....
Weather type....
Temp............34 37 40 43 44 45 44 43
RH..............44 39 34 31 29 28 29 32
20 FT wind dir..120 120 120 120 130 120 120 110
20 FT wind spd..8 8 8 8 7 6 6 6
20 FT wind gust.14 14 14 13 12 10 10 10
Mix hgt (kft)...1.6 1.9 2.1 2.2 2.3 2.4 2.0 1.4
Transp wind dir.120 120 130 130 130 130 130 120
Transp wind spd.14 13 12 10 9 8 8 8
Chc of pcpn (%).0 0 0 0 0 0 0 0
Vrate kt-ft/1K..20 21 21 20 19 17 14 9
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of rain showers and freezing rain
after 3 am.
Temperature.........Min 31.
RH..................Max 82 percent.
Wind (20 ft)........East winds around 5 mph in the evening becoming
light.
Chance of pcpn......20 percent.
Transport winds.....East 5 to 9 mph.
Mixing height.......300 ft AGL.
Smoke dispersal.....Poor (1100 knot-ft).
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........49 48 49 59 62 59 59 64 70 80 82 83
Weather cov..... SCH SCH SCH
Weather type.... RW RW RW
Temp............39 37 35 34 33 32 32 31 31 31 31 32
RH..............40 46 51 57 64 70 73 76 80 80 81 82
20 FT wind dir..100 100 100 100 100 110 110 110 120 110 100 090
20 FT wind spd..6 6 6 5 5 5 5 3 3 2 2 2
20 FT wind gust.10 9 8 9 9 9 9 8 7 7 7 7
Mix hgt (kft)...0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3
Transp wind dir.110 100 100 100 100 110 110 110 120 110 100 090
Transp wind spd.8 8 8 8 9 9 8 7 7 7 6 5
Chc of pcpn (%).0 0 0 0 0 0 0 0 10 20 20 20
Vrate kt-ft/1K..2 3 2 2 3 3 3 2 2 2 2 1
.TUESDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers.
Temperature.........Max 42.
RH..................Min 76 percent.
Wind (20 ft)........Light winds becoming east around 5 mph late in
the morning.
Chance of pcpn......30 percent.
Transport winds.....East 6 to 9 mph.
Mixing height.......1700 ft AGL.
Smoke dispersal.....Poor (1400 knot-ft).
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........84 83 85 86 87 88 88 89 89 90 83 76
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Temp............32 33 35 37 39 40 42 42 42 42 42 41
RH..............84 85 82 79 77 77 77 76 76 78 78 80
20 FT wind dir..070 080 100 110 100 090 080 080 070 060 060 060
20 FT wind spd..3 3 3 5 5 5 5 5 5 5 5 6
20 FT wind gust.7 7 7 8 8 8 8 8 8 8 9 9
Mix hgt (kft)...0.3 0.3 0.5 0.6 1.0 1.2 1.5 1.5 1.6 1.7 1.4 1.0
Transp wind dir.070 080 100 110 100 090 080 080 070 060 060 060
Transp wind spd.6 8 9 9 8 8 7 6 6 6 7 8
Chc of pcpn (%).30 30 30 30 30 30 30 30 30 30 30 30
Vrate kt-ft/1K..1 2 4 5 7 8 9 8 8 8 8 7
$$
Forecaster...Doom
Requested by...Adam Carlson
Type of request...PRESCRIBED
.TAG 2604486.0/LOT
.DELDT 03/02/26
.FormatterVersion 2.0.0