


Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
616 FNUS74 KLIX 271804 FWSLIX Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management National Weather Service New Orleans LA 104 PM CDT Wed Aug 27 2025 If conditions become unrepresentative, contact the National Weather Service. We can be reached at (985) 649-0357 if you have questions or concerns with this forecast. .DISCUSSION... Relative humidity values have dropped this afternoon, however, will remain will above critical thresholds. Moisture will return starting tomorrow and rain chances increase going into the upcoming weekend as a cold front moves into the region. By early next week humidity values will again drop during the daytime, however, should range 50- 60 percent during the afternoon timeframe. .REST OF TODAY... Sky/weather.........Sunny (15-25 percent). Chance of pcpn......10 percent. Max temperature.....Around 89. Min humidity........52 percent. Max apparent temp...94. Surface winds (mph).Light winds. Mixing height (m)...1280-1951 meters AGL. Transport winds.....Northeast around 3 mph shifting to the northwest late in the afternoon. Transport winds m/s.Northeast around 1 meters/second shifting to the northwest late in the afternoon. CEILING (KFT).......25. Wind (20 ft)........Light winds. TIME (CDT) 9AM 10A 11A 12P Sky (%).........18 15 24 29 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).10 10 10 10 Temp............88 88 89 87 RH..............54 54 52 55 Aparnt tmp (F)..92 92 94 91 20 FT wind dir..E ENE ENE E 20 FT wind spd..3 2 2 2 20 FT wind gust.7 7 7 7 Surface wnd dir.E ENE ENE E Surface wnd spd.3 2 2 2 Surface wnd gst.7 7 7 7 Mix hgt (km)....1.3 1.3 2.0 2.0 Transp wind dir.NE NE NW NW Transp wind spd.3 3 3 3 Trans wind dir..NE NE NW NW Trans spd (m/s).1 1 1 1 Ceiling (kft)...25 25 25 25 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). Slight chance of showers and thunderstorms early in the evening. Chance of pcpn......20 percent. Min temperature.....Around 71. Max humidity........90 percent. Max apparent temp...90. Surface winds (mph).Light winds. Mixing height (m)...122-1951 meters AGL. Transport winds.....Northwest around 3 mph shifting to the south 3 to 5 mph. Transport winds m/s.South 1 to 2 meters/second. CEILING (KFT).......11 increasing to 25 early in the evening, then decreasing to 11 late in the evening increasing to 25 late in the evening decreasing to 11. Wind (20 ft)........Light winds. Gusty and erratic winds expected near thunderstorms early in the evening. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID Sky (%).........28 35 37 37 25 29 32 43 43 40 29 20 Weather cov.....SCH Weather type....RW Tstm cov........SCH Chc of pcpn (%).20 10 10 10 10 0 0 0 0 0 0 0 Temp............86 83 80 78 77 76 75 74 74 73 73 72 RH..............57 65 72 76 76 79 82 87 84 87 87 90 Aparnt tmp (F)..90 87 83 78 77 76 75 74 74 73 73 72 20 FT wind dir..E SE E SE SSE SE S S S SSW SW S 20 FT wind spd..2 2 2 2 2 1 1 1 1 1 1 1 20 FT wind gust.7 7 7 6 6 6 6 6 5 5 5 5 Surface wnd dir.E SE E SE SSE SE S S S SSW SW S Surface wnd spd.2 2 2 2 2 1 1 1 1 1 1 1 Surface wnd gst.7 7 7 6 6 6 6 6 5 5 5 5 Mix hgt (km)....2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 Transp wind dir.NW S S S S S S S S S SSW SSW Transp wind spd.3 3 3 3 5 5 5 5 5 5 3 3 Trans wind dir..NW S S S S S S S S S SSW SSW Trans spd (m/s).1 1 1 1 2 2 2 2 2 2 1 1 Ceiling (kft)...11 25 25 25 11 25 25 25 25 25 11 12 .THURSDAY... Sky/weather.........Mostly sunny (30-40 percent). Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of pcpn......30 percent. Max temperature.....Around 91. Min humidity........57 percent. Max apparent temp...96. Surface winds (mph).Light winds becoming southwest around 5 mph late in the afternoon, then shifting to the east late in the afternoon. Mixing height (m)...122-1646 meters AGL. Transport winds.....Southwest 3 to 6 mph. Transport winds m/s.Southwest 1 to 3 meters/second. CEILING (KFT).......12 increasing to 25 early in the morning, then decreasing to 12 early in the morning increasing to 25 late in the morning decreasing to 10. Wind (20 ft)........Light winds becoming southwest around 5 mph late in the afternoon, then shifting to the east late in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. TIME (CDT) 1 AM 4 AM 7 AM 10 AM Sky (%).........15 17 29 43 Weather cov..... CHANCE Weather type....NONE NONE NONE RNSHWR Tstm cov........ CHANCE Chc of pcpn (%).0 0 10 30 Temp............72 79 87 88 RH..............90 77 61 59 Aparnt tmp (F)..72 79 94 95 20 FT wind dir..ESE WNW SW SW 20 FT wind spd..1 1 3 5 20 FT wind gust.5 6 8 9 Surface wind....ESE 1G5 WNW 1G6 SW 3G8 SW 5G9 Mix hgt (m).....120 120 850 1620 Transp wind dir.SSW WSW SW SW Transp wind spd.3 3 5 6 Trans wind dir..SSW WSW SW SW Trans spd (m/s).1 1 2 3 Ceiling (kft)...12 25 25 10 $$ Forecaster...EFFERSON Requested by...Dawson Primes Type of request...HAZMAT .TAG 2520618.2/LIX .DELDT 08/27/25 .FormatterVersion 2.0.0 .EMAIL vtravis@tangipahoa.org,sr-lix.forecasters@noaa.gov,dawson.primes@tangipahoa.org,loesel.matthew@epa.gov