434
FNUS71 KLWX 032258
FWSLWX
SPOT FORECAST FOR NORTH RIVER...USFS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 PM EDT FRI APR 3 2026
FORECAST IS BASED ON IGNITION TIME OF 1900 EDT ON APRIL 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A WARM FRONT WILL LIFT NORTHWARD THROUGH THIS EVENING, ALLOWING
NEAR RECORD WARMTH HEADING INTO THE START OF THE WEEKEND. A
STRONG COLD FRONT WILL PASS THROUGH ON SUNDAY, BRINGING WIDESPREAD
CHANCES FOR SHOWERS AND THUNDERSTORMS. MUCH COOLER TEMPERATURES
ARE EXPECTED BEHIND THE FRONT EARLY TO MID NEXT WEEK AS HIGH
PRESSURE BUILDS OVER THE REGION.
WINDS DECREASE A BIT OVERNIGHT WITH HUMIDITY VALUES RECOVERING BACK
TO NEAR 70 PERCENT. THESE VALUES WILL FALL AROUND 35 PERCENT SATURDAY
AS SOUTH TO SOUTHWESTERLY FLOW CONTINUES. WIDESPREAD WETTING RAIN
CHANCES ARE EXPECTED SUNDAY WITH A QUARTER TO A HALF AN INCH EXPECTED AREAWIDE.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........71 AT IGNITION...MIN 58.
RH..................49 PERCENT AT IGNITION...MAX 75 PERCENT.
WIND (20 FT)........WINDS WEST AT 9 MPH AT IGNITION...OTHERWISE
SOUTHWEST WINDS 7 TO 9 MPH.
MIXING HEIGHT.......600 FT AGL AT IGNITION...OTHERWISE 200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR /5700 KNOT-FT/ AT IGNITION. MIN...POOR
/1800 KNOT-FT/.
TIME (EDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 77 70 59 50 51 57 39 36 30 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 0 0 0 0 0 0 0 0 0 0
TEMP............71 68 67 65 64 63 62 62 60 60 60
RH..............49 57 56 60 63 62 67 65 72 72 69
20 FT WIND DIR..W SW SW SW SW SW SW SW SW W W
20 FT WIND SPD..9 7 7 7 7 7 7 7 7 8 8
20 FT WIND GUST.17 16 14 13 13 14 14 15 15 15 16
MIX HGT (KFT)...0.6 0.3 0.2 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.W W SW SW SW SW W W W W W
TRANSP WIND SPD.10 9 10 9 10 12 12 12 12 12 12
VRATE KT-FT/1K..6 2 2 2 3 2 2 2 2 2 2
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON. SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...17 PERCENT.
TEMPERATURE.........MAX 79.
RH..................MIN 39 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH WITH GUSTS TO AROUND
20 MPH SHIFTING TO THE SOUTH 10 TO 14 MPH WITH
GUSTS TO AROUND 25 MPH IN THE AFTERNOON. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 12 MPH SHIFTING TO THE SOUTH 13 TO 20
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (80100 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........37 23 15 29 45 45
WEATHER COV..... S CHC S CHC
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........
CWR.............0 10 10 10 20 20
CHC OF THDR (%).0 0 0 0 10 10
TEMP............59 61 70 76 78 79
RH..............72 70 55 46 40 39
20 FT WIND......W 7 W 6 SW 7 SW 9 S 12 S 13
20 FT WIND GUST.15 15 16 20 23 24
MIX HGT (FT)....200 200 1500 4400 5100 5000
TRANSPORT WIND..W 12 W 12 SW 9 S 13 S 17 S 18
VRATE KT-FT/1K..2 2 12 48 77 80
VENTRATE CAT....POOR POOR POOR FAIR GOOD GOOD
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
RAIN SHOWERS LIKELY OVERNIGHT.
CWR.................20 PERCENT INCREASING TO 70 PERCENT.
CHANCE OF THUNDER...17 PERCENT.
TEMPERATURE.........MIN 54.
RH..................MAX 100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 13 TO 15 MPH WITH GUSTS TO
AROUND 32 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....EXCELLENT (63600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO FAIR (19200 KNOT-FT) LATE IN THE
NIGHT.
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........49 63 65 80
WEATHER COV.....S CHC LIKELY
WEATHER TYPE....RNSHWR NONE NONE RNSHWR
TSTM COV........S CHC
CWR.............20 10 10 70
CHC OF THDR (%).20 10 10 0
TEMP............74 65 61 59
RH..............46 73 84 87
20 FT WIND......S 13G25 S 13G28 SW 15G29 SW 15G32
MIX HGT (FT)....3500 1100 1100 1000
TRANSPORT WIND..S 21 SW 23 SW 24 SW 25
VRATE KT-FT/1K..64 22 23 21
VENTRATE CAT....GOOD POOR POOR POOR
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (40-50 PERCENT). RAIN SHOWERS
LIKELY EARLY IN THE MORNING, THEN RAIN SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE AFTERNOON.
CWR.................70 PERCENT INCREASING TO 80 PERCENT EARLY IN
THE MORNING, THEN DECREASING TO 20 PERCENT LATE
IN THE AFTERNOON.
CHANCE OF THUNDER...13 PERCENT.
TEMPERATURE.........MAX 60.
RH..................MIN 49 PERCENT.
WIND (20 FT)........WEST WINDS 13 TO 15 MPH BECOMING AROUND 14 MPH
LATE IN THE AFTERNOON. GUSTS UP TO 32 MPH.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (19500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (74900 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........86 91 70
WEATHER COV.....LIKELY DEFNTE S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............70 80 20
CHC OF THDR (%).10 10 0
TEMP............57 58 58
RH..............96 86 59
20 FT WIND......SW 15G32 W 13G29 W 14G29
MIX HGT (FT)....1100 1500 3100
TRANSPORT WIND..SW 23 W 23 W 24
VRATE KT-FT/1K..22 31 65
VENTRATE CAT....POOR POOR GOOD
FORECASTER...ROSA
REQUESTED BY...COLLETT
TYPE OF REQUEST...PRESCRIBED
.TAG 2608956.0/LWX
.DELDT 04/03/26
.FORMATTERVERSION 2.0.0
.EMAIL AARON.P.STROBEL@USDA.GOV,JAY.COLLETT@USDA.GOV
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