473
FNUS73 KAPX 240712
FWSAPX
SPOT FORECAST FOR JACKPINE PLAINS 2.0...MDNR
NATIONAL WEATHER SERVICE GAYLORD MI
312 AM EDT MON AUG 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON AUGUST 24.
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
LOW CLOUDS AND MOISTURE LINGER TODAY. NORTHWEST WINDS WILL
QUICKLY STRENGTHEN TO 14 MPH WITH GUST UP TO 25 MPH BY LATE
MORNING. TEMPERATURES WILL WARM TO 70 BY THE MID/LATE AFTERNOON.
MINIMUM RELATIVE HUMIDITY WILL REMAIN NEAR 55% DUE TO MOISTURE
WRAPPING AROUND A LARGER STORM SYSTEM OVER THE EASTERN GREAT
LAKES. ALTHOUGH RAIN IS NOT EXPECTED, ON AND OFF CLOUD COVER WILL
CONTINUE THROUGH THE DAY. GOOD VENT RATES DUE TO MIXING HEIGHTS
RISING TO 3 KFT AND TRANSPORT WINDS OF 20 MPH. SURFACE WINDS WILL
GRADUALLY WEAKEN DURING THE LATE AFTERNOON AND EVENING, BECOMING
CALM BY 9 PM EDT TONIGHT. WARMER AND DRIER WITH LIGHTER WINDS FOR
TUESDAY AS SURFACE HIGH PRESSURE DOMINATES.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........55 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 14 MPH WITH GUSTS TO
AROUND 25 MPH.
TRANSPORT WINDS.....NORTHWEST 16 TO 22 MPH.
MIXING HEIGHT.......700-2300 FT AGL INCREASING TO 2700-3300 FT AGL
LATE IN THE MORNING.
VENTILATION INDEX...POOR TO GOOD (92.0-578.0).
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 76 58 75 72 73 74 61 58 54 47
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............56 57 61 65 66 67 67 68 69 70 70
RH..............80 80 75 68 63 63 63 61 57 55 55
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 10 12 1313 13 13 14 13 13 12
20 FT WIND GUST.17 18 19 20 22 23 24 25 21 19 17
MIX HGT (KFT)...0.7 1.2 2.2 2.3 2.8 2.7 2.8 3.0 3.2 3.2 3.3
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.16 18 22 21 21 20 20 21 21 20 20
VRATE KT-FT.....92 186 413 423 498 464 482 536 578 539 557
VENTRATE CAT....PR FR GD GD GD GD GD GD GD GD GD
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) WITH PATCHY FOG.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........100 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND
16 MPH IN THE EVENING BECOMING LIGHT.
TRANSPORT WINDS.....NORTHWEST 11 TO 16 MPH DECREASING TO 7 MPH
OVERNIGHT.
MIXING HEIGHT.......1400-2800 FT AGL DECREASING TO 400-600 FT AGL
IN THE LATE EVENING AND OVERNIGHT.
VENTILATION INDEX...POOR TO GOOD (26.0-446.0).
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........37 28 27 29 27 27 29 45 28 43 46 30
WEATHER COV..... PTY PTY
WEATHER TYPE.... FOG FOG
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............71 69 68 62 58 55 53 52 51 50 49 48
RH..............55 61 61 75 87 96 100 100 100 100 100 100
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 9 6 6 6 6 5 5 5 3 3 3
20 FT WIND GUST.16 11 10 0 0 0 0 0 0 0 0 0
MIX HGT (KFT)...2.8 2.6 1.4 0.5 0.5 0.5 0.5 0.6 0.6 0.4 0.4 0.4
TRANSP WIND DIR.NW NW NW NW NW NW NW N NW NW NW NW
TRANSP WIND SPD.18 16 13 10 10 9 9 9 8 7 8 8
VRATE KT-FT.....446 359 159 46 48 38 37 47 39 26 28 31
VENTRATE CAT....GD GD FR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG EARLY
IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........39 PERCENT.
20-FOOT WINDS.......LIGHT NW WINDS TURNING WEST AROUND NOON.
OCCASIONAL GUSTS UP TO 15 MPH.
TRANSPORT WINDS.....NORTHWEST 6 TO 9 MPH.
MIXING HEIGHT.......400-2300 FT AGL INCREASING TO 5500-5900 FT AGL.
VENTILATION INDEX...POOR TO GOOD (22.0-483.0).
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 46 47 66 44 41 27 23 42 51 40 47
WEATHER COV.....PTY PTY PTY PTY
WEATHER TYPE....FOG FOG FOG FOG
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............45 46 50 56 66 70 72 74 76 78 78 79
RH..............100 100 100 93 68 59 53 50 46 43 41 39
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..3 3 3 3 3 3 5 5 5 5 5 5
20 FT WIND GUST.5 5 5 8 8 8 10 12 14 13 12 10
MIX HGT (KFT)...0.4 0.4 0.5 1.3 2.3 3.2 4.0 4.6 5.1 5.6 5.9 5.5
TRANSP WIND DIR.NW W NW W NW NW NW NW NW NW W W
TRANSP WIND SPD.7 6 8 7 8 9 9 9 9 9 9 9
VRATE KT-FT.....26 22 33 78 151 257 331 379 405 458 483 443
VENTRATE CAT....PR PR PR PR FR FR GD GD GD GD GD GD
FORECASTER...ELD
REQUESTED BY...6-50
TYPE OF REQUEST...PRESCRIBED
.TAG 2620182.0/APX
.DELDT 08/24/26
.FORMATTERVERSION 2.0.0
.EMAIL JANISSEM@MICHIGAN.GOV,CORSERJ@MICHIGAN.GOV
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