Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
187
FNUS74 KLIX 290940
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
440 AM CDT Fri Aug 29 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...
Moisture is returning to the area, with high rain chances over
the next couple days. Afternoon minimum relative humidities will
be greater than 50 percent today and Saturday. Much of the area
could see 1 to 3 inch rain totals between now and the end of the
weekend, with locally higher amounts in areas. Winds are expected to
remain below 15 mph outside of thunderstorms, which will limit
any fire weather concerns.
.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
thunderstorms in the morning. Showers through
the day. Thunderstorms in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 82.
Min humidity........91 percent.
Max apparent temp...79.
Surface winds (mph).South winds around 5 mph increasing to around 6
mph early in the afternoon, then shifting to
the west in the afternoon.
Mixing height (m)...122-640 meters AGL.
Transport winds.....Southwest 6 to 12 mph.
Transport winds m/s.Southwest 3 to 5 meters/second.
CEILING (KFT).......4.5 decreasing to 2.7 early in the morning,
then decreasing to 0.9 early in the morning
decreasing to 0.8 late in the morning
increasing to 0.9 increasing to 1.3 late in the
morning increasing to 1.8 increasing to 2.7
early in the afternoon decreasing to 1.5.
Wind (20 ft)........Light winds becoming south around 5 mph early
in the afternoon, then shifting to the west in
the afternoon. Gusty and erratic winds expected
near thunderstorms in the morning. Gusty and
erratic winds expected near thunderstorms in
the afternoon.
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65 84 73 79 81 86 86 83 85 83 78 85 80
Weather cov.....CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF LKY LKY CHC
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC DEF DEF LKY LKY CHC
Chc of pcpn (%).30 30 30 30 40 50 80 80 80 90 70 60 50
Temp............74 73 72 73 74 76 78 78 79 79 79 79 78
RH..............93 100 100 100 100 100 97 97 94 94 91 91 94
Aparnt tmp (F)..74 73 72 73 74 76 78 78 79 79 79 79 78
20 FT wind dir..SSE S SSE S S SSW SSW S WNW WSW WSW W WSW
20 FT wind spd..2 2 2 2 3 3 5 6 6 6 6 6 6
20 FT wind gust.7 7 7 7 8 9 9 9 10 10 12 10 10
Surface wnd dir.SSE S SSE S S SSW SSW S WNW WSW WSW W WSW
Surface wnd spd.2 2 2 2 3 3 5 6 6 6 6 6 6
Surface wnd gst.7 7 7 7 8 9 9 9 10 10 12 10 10
Mix hgt (km)....0.1 0.1 0.2 0.2 0.2 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5
Transp wind dir.S S S S S SW SW SW WSW WSW WSW WSW WSW
Transp wind spd.6 6 8 8 8 10 10 10 12 12 12 9 9
Trans wind dir..S S S S S SW SW SW WSW WSW WSW WSW WSW
Trans spd (m/s).3 3 4 4 4 4 4 4 5 5 5 4 4
Ceiling (kft)...4.5 4.5 2.7 0.9 0.8 0.9 1.3 1.8 2.7 2.7 1.5 1.5 1.5
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70 percent). Chance of
thunderstorms early in the evening. Chance of
showers through the night. Slight chance of
thunderstorms in the late evening and
overnight.
Chance of pcpn......50 percent.
Min temperature.....Around 70.
Max humidity........100 percent.
Max apparent temp...78.
Surface winds (mph).South winds around 5 mph early in the evening
becoming light.
Mixing height (m)...152-518 meters AGL.
Transport winds.....West 6 to 9 mph shifting to the northwest
around 5 mph overnight.
Transport winds m/s.Southwest around 4 meters/second shifting to
the northwest around 2 meters/second overnight.
CEILING (KFT).......2.7 decreasing to 0.6.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms early in the evening. Gusty
and erratic winds expected near thunderstorms
in the late evening and overnight.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........74 66 58 70 58 55 68 63 75 73 78 78
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
Tstm cov........CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH
Chc of pcpn (%).30 50 50 50 50 50 40 30 30 50 50 50
Temp............78 77 75 74 73 73 73 72 72 72 72 72
RH..............94 94 97 100 100 100 97 100 100 100 100 97
Aparnt tmp (F)..78 77 75 74 73 73 73 72 72 72 72 72
20 FT wind dir..WSW SW S S SSW SW W W NW NW WNW NNW
20 FT wind spd..5 3 2 2 2 2 2 1 1 1 2 2
20 FT wind gust.9 9 8 7 7 7 7 6 6 6 6 6
Surface wnd dir.WSW SW S S SSW SW W W NW NW WNW NNW
Surface wnd spd.5 3 2 2 2 2 2 1 1 1 2 2
Surface wnd gst.9 9 8 7 7 7 7 6 6 6 6 6
Mix hgt (km)....0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Transp wind dir.WSW SW SW SW W W W NW NW NW NNW NNW
Transp wind spd.9 6 6 6 6 6 6 5 5 5 5 5
Trans wind dir..WSW SW SW SW W W W NW NW NW NNW NNW
Trans spd (m/s).4 3 3 3 3 3 3 2 2 2 2 2
Ceiling (kft)...2.7 2.2 1.8 1.5 1.3 1.3 1.1 0.9 0.7 0.7 0.7 0.6
.SATURDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
and slight chance of thunderstorms in the
morning, then showers likely and chance of
thunderstorms in the afternoon.
Chance of pcpn......60 percent.
Max temperature.....Around 86.
Min humidity........77 percent.
Max apparent temp...91.
Surface winds (mph).North winds around 5 mph increasing to around 6
mph late in the afternoon, then decreasing to
around 5 mph late in the afternoon.
Mixing height (m)...183-1311 meters AGL.
Transport winds.....Northwest 3 to 7 mph.
Transport winds m/s.Northwest 1 to 3 meters/second.
CEILING (KFT).......0.6 increasing to 3.0.
Wind (20 ft)........Light winds becoming north around 5 mph late in
the afternoon, then becoming light late in the
afternoon. Gusty and erratic winds expected
near thunderstorms early in the morning. Gusty
and erratic winds expected near thunderstorms
in the late morning and afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........74 76 64 54
Weather cov.....CHANCE CHANCE CHANCE LIKELY
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC S CHC CHANCE
Chc of pcpn (%).30 50 50 60
Temp............71 75 81 83
RH..............100 97 85 80
Aparnt tmp (F)..71 75 87 91
20 FT wind dir..N N N N
20 FT wind spd..2 2 5 6
20 FT wind gust.7 7 9 10
Surface wind....N 2G7 N 2G7 N 5G9 N 6G10
Mix hgt (m).....210 180 550 1160
Transp wind dir.NNW NNW NW NNW
Transp wind spd.5 3 6 7
Trans wind dir..NNW NNW NW NNW
Trans spd (m/s).2 1 3 3
Ceiling (kft)...0.6 0.8 2.0 2.9
$$
Forecaster...LIM
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520617.4/LIX
.DELDT 08/29/25
.FormatterVersion 2.0.0
.EMAIL sr-lix.forecasters@noaa.gov,dawson.primes@tangipahoa.org,vtravis@tangipahoa.org,loesel.matthew@epa.gov