873
FNUS73 KAPX 272209
FWSAPX
SPOT FORECAST FOR LIBERTY...USDA: FOREST SERVICE
NATIONAL WEATHER SERVICE GAYLORD MI
609 PM EDT MON APR 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE... CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (989)732-9306, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
GUSTY SOUTHEAST WINDS WILL WEAKEN VERY SLIGHTLY, WHILE
GRADUALLY VEERING TO THE SOUTH THROUGH THIS EVENING AT THE FIRE
SITE. GUSTS OF 30 TO 35 MPH WILL BE COMMON THIS EVENING, 25 TO 30
MPH OVERNIGHT. THERE IS A SLIGHT CHANCE OF A LATE EVENING SHOWER.
SHOWERS AND A FEW THUNDERSTORMS BECOME WIDESPREAD AFTER MIDNIGHT,
AND ESPECIALLY AFTER 2 AM.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS LATE IN THE EVENING, THEN RAIN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING.
CHANCE OF THUNDER...31 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 12 TO 15 MPH WITH GUSTS TO
AROUND 32 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE EVENING.
TRANSPORT WINDS.....SOUTH 20 TO 29 MPH.
MIXING HEIGHT.......800-2300 FT AGL.
VENTILATION INDEX...FAIR TO GOOD (137.0-571.0).
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........77 81 86 84 85 84 87 87 90 89 88 87
WEATHER COV..... CHC CHC CHC CHC CHC DEF DEF DEF DEF LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC CHC SCH
CHC OF THDR (%).0 0 10 10 10 20 20 20 30 30 30 20
TEMP............66 65 63 60 59 58 58 58 57 57 56 56
RH..............43 45 50 58 60 60 62 69 80 90 93 96
20 FT WIND DIR..SE SE SE S S S S S S S S S
20 FT WIND SPD..15 15 15 14 14 14 15 15 15 14 14 14
20 FT WIND GUST.32 32 32 30 30 30 30 30 30 30 30 30
MIX HGT (KFT)...2.3 1.5 1.0 1.0 1.0 0.9 0.9 0.9 0.8 0.8 0.8 0.9
TRANSP WIND DIR.SE SE SE SE S S S S S S S S
TRANSP WIND SPD.29 24 23 23 24 23 21 22 23 21 20 22
VRATE KT-FT.....571 320 210 205 210 179 161 165 163 137 143 170
VENTRATE CAT....GD GD FR FR FR FR FR FR FR FR FR FR
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). RAIN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING.
CHANCE OF THUNDER...18 PERCENT.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........55 PERCENT.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 12 MPH SHIFTING TO THE
WEST IN THE AFTERNOON. GUSTS UP TO 28 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTHWEST 17 TO 21 MPH SHIFTING TO THE WEST 21
TO 26 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......900-2800 FT AGL INCREASING TO 2900-3900 FT AGL
IN THE AFTERNOON.
VENTILATION INDEX...FAIR TO EXCELLENT (147.0-634.0) INCREASING TO
EXCELLENT (698.0) LATE IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 86 74 77 82 83 84 83 84 76 64 35
WEATHER COV.....LKY LKY SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH
CHC OF THDR (%).20 20 10 10 10 10 10 10 0 0 0 0
TEMP............56 53 56 58 57 58 58 59 57 58 58 57
RH..............96 100 96 87 86 77 72 64 64 62 57 57
20 FT WIND DIR..SW SW SW SW SW SW W W W W W W
20 FT WIND SPD..13 13 13 14 14 14 15 15 15 14 14 14
20 FT WIND GUST.28 28 28 25 25 25 25 25 25 24 24 24
MIX HGT (KFT)...0.9 1.0 1.1 1.7 2.5 2.7 2.8 2.9 3.0 3.3 3.7 3.9
TRANSP WIND DIR.S SW SW SW W W W W W W W W
TRANSP WIND SPD.18 17 17 21 25 26 25 24 24 22 22 21
VRATE KT-FT.....147 150 162 302 554 622 618 601 634 629 698 699
VENTRATE CAT....FR FR FR GD GD EXL EXL EXL EXL EXL EXL EXL
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........89 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 9 MPH IN THE EVENING
BECOMING LIGHT.
TRANSPORT WINDS.....WEST 12 TO 21 MPH SHIFTING TO THE NORTH 7 TO 8
MPH LATE IN THE EVENING.
MIXING HEIGHT.......2900-3900 FT AGL DECREASING TO 500-2300 FT AGL
EARLY IN THE EVENING.
VENTILATION INDEX...FAIR TO EXCELLENT (198.0-694.0) DECREASING TO
POOR (37.0) LATE IN THE EVENING.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........55 50 55 61 62 63 67 72 76 75 74 73
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............57 55 53 50 48 46 45 44 43 42 40 39
RH..............55 57 59 66 71 73 76 76 79 79 85 85
20 FT WIND DIR..W W W NW NW NW N N N N N N
20 FT WIND SPD..12 12 12 6 6 6 3 3 3 3 3 3
20 FT WIND GUST.20 20 20 13 13 13 8 8 8 7 7 7
MIX HGT (KFT)...3.9 2.9 1.6 2.3 2.0 1.2 1.1 1.2 1.2 1.0 0.7 0.5
TRANSP WIND DIR.W W W NW NW NW N N N N N N
TRANSP WIND SPD.21 17 16 15 12 8 7 7 7 7 7 8
VRATE KT-FT.....694 434 225 297 198 85 63 65 73 58 43 37
VENTRATE CAT....EXL GD FR FR FR PR PR PR PR PR PR PR
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........44 PERCENT.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTH 5 TO 7 MPH IN THE
LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....NORTH 9 TO 18 MPH INCREASING TO AROUND 20 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......600-2500 FT AGL INCREASING TO 5700-6000 FT AGL.
VENTILATION INDEX...POOR TO GOOD (52.0-455.0) INCREASING TO GOOD TO
EXCELLENT (586.0-1013.0) IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........73 73 73 73 73 73 72 71 70 68 66 64
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............38 38 38 40 43 46 48 50 51 51 51 51
RH..............89 85 85 76 67 58 54 48 46 46 44 44
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..5 5 5 6 6 6 8 8 8 9 9 9
20 FT WIND GUST.10 10 10 12 12 12 14 14 14 15 15 15
MIX HGT (KFT)...0.6 0.9 1.3 1.9 2.5 3.2 3.9 4.6 5.1 5.7 6.0 6.0
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.9 12 13 13 13 13 14 15 16 17 18 20
VRATE KT-FT.....52 89 147 207 272 347 455 586 721 865 980 1013
VENTRATE CAT....PR PR FR FR FR GD GD GD EXL EXL EXL EXL
FORECASTER...JZ
REQUESTED BY...MIDC
TYPE OF REQUEST...WILDFIRE
.TAG 2611873.0/APX
.DELDT 04/27/26
.FORMATTERVERSION 2.0.0
.EMAIL SM.FS.MIDC@USDA.GOV,ABACKES2009@GMAIL.COM
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