Spot Forecast
Issued by NWS Central Illinois
Issued by NWS Central Illinois
Versions:
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524 FNUS73 KILX 251119 FWSILX Spot Forecast for Driftwood piles RX...USFWS National Weather Service Lincoln IL 619 AM CDT Tue Jun 25 2024 Forecast is based on ignition time of 0700 CDT on June 25. 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... Scattered thunderstorms are expected to develop across the area later this morning, with the higher chances late in the afternoon. Storms will become more widespread tonight. Any lingering rain on Wednesday will taper off by midday. Southwest winds will increase to 10-15 mph, with a few gusts over 20 mph. .TODAY... Sky/weather.........Mostly sunny (40-50 percent). Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Chance of pcpn......30 percent. LAL.................2 until 1200, then 3 in the afternoon. Temperature.........78 at ignition...Max 93. RH..................79 percent at ignition...Min 47 percent. Wind (20 ft)........Winds southwest at 10 mph at ignition...otherwise Southwest winds 7 to 12 mph. Gusty and erratic winds expected near thunderstorms in the late morning and afternoon. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 5. Mixing height.......700 ft AGL at ignition...otherwise 4600 ft AGL. Transport winds.....Southwest 17 to 25 mph shifting to the west 20 to 28 mph late in the morning. Smoke dispersal.....Poor /9900 knot-ft/ at ignition. Max...Good /84400 knot-ft/. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM Sky (%).........31 51 60 57 53 52 Weather cov..... S CHC S CHC S CHC CHANCE Weather type....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC S CHC S CHC CHANCE Chc of pcpn (%).10 10 20 20 20 30 LAL.............1 1 2 2 2 3 Temp............78 86 89 92 93 93 RH..............79 61 56 49 49 49 20 ft wind......SW 10 SW 14 SW 14 SW 13 SW 12 SW 12 20 ft wind gust.21 23 23 22 20 20 Mix hgt (ft)....700 2000 2900 4200 4600 3400 Transport wind..SW 17 W 24 W 28 W 23 W 20 SW 18 Haines index....4 4 4 4 4 4 Vrate kt-ft/1K..10 41 71 84 78 54 Ventrate Cat....POOR FAIR GOOD GOOD GOOD FAIR .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent). Showers and thunderstorms. Chance of pcpn......80 percent. LAL.................3 until 1900, then 4. Temperature.........Min 69. RH..................Max 100 percent. Wind (20 ft)........Southwest winds 5 to 7 mph shifting to the northwest 5 to 6 mph overnight. Gusty and erratic winds expected near thunderstorms. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Mixing height.......500 ft AGL. Transport winds.....Northwest around 17 mph in the evening, then northwest 13 to 16 mph after midnight. Smoke dispersal.....Poor (5000 knot-ft). TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........54 70 98 95 93 91 Weather cov.....CHANCE LIKELY DEFNTE DEFNTE LIKELY LIKELY Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........CHANCE LIKELY DEFNTE DEFNTE LIKELY LIKELY Chc of pcpn (%).50 70 80 80 70 70 LAL.............3 4 5 5 4 4 Temp............91 83 77 74 72 70 RH..............54 70 85 93 97 100 20 ft wind......SW 9 SW 9 SW 7 NW 7 NW 7 NW 7 20 ft wind gust.16 16 12 10 10 12 Mix hgt (ft)....2500 700 500 500 600 700 Transport wind..W 17 NW 12 SW 14 S 12 SE 14 W 16 Haines index....4 4 4 4 3 3 Vrate kt-ft/1K..38 7 6 5 7 10 Ventrate Cat....POOR POOR POOR POOR POOR POOR .WEDNESDAY... Sky/weather.........Mostly cloudy (65-75 percent) then becoming mostly sunny (20-30 percent). Chance of showers and thunderstorms early in the morning. Chance of pcpn......70 percent. LAL.................3 until 1300, then 1. Temperature.........Max 86. RH..................Min 51 percent. Wind (20 ft)........Southwest winds around 5 mph shifting to the north 5 to 8 mph in the late morning and afternoon. Gusty and erratic winds expected near thunderstorms in the morning. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Mixing height.......5500 ft AGL. Transport winds.....Northwest around 15 mph. Smoke dispersal.....Poor (8100 knot-ft) early in the morning increasing to Good (76800 knot-ft) in the afternoon. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........91 78 51 34 21 14 Weather cov.....LIKELY CHANCE CHANCE CHANCE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE Tstm cov........LIKELY CHANCE CHANCE CHANCE Chc of pcpn (%).70 30 30 30 10 10 LAL.............4 3 3 3 1 1 Temp............69 72 78 82 85 86 RH..............100 93 79 67 57 51 20 ft wind......SW 6 SW 6 NW 8 N 8 N 8 N 10 20 ft wind gust.12 12 14 16 16 17 Mix hgt (ft)....1300 1000 2100 3700 4300 5500 Transport wind..NW 15 S 13 NW 10 N 12 N 16 N 16 Haines index....3 4 4 4 4 4 Vrate kt-ft/1K..17 11 19 37 61 77 Ventrate Cat....POOR POOR POOR POOR GOOD GOOD $$ Forecaster...Geelhart Requested by...Ben Schmall Type of request...PRESCRIBED .TAG 2416665.0/ILX .DELDT 06/25/24 .FormatterVersion 2.0.0 .EMAIL Benjamin_schmall@fws.gov