472
FNUS73 KAPX 240929
FWSAPX
SPOT FORECAST FOR WALSH RD.CRAWFORD SIDE...MDNR
NATIONAL WEATHER SERVICE GAYLORD MI
529 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 13 MPH WITH GUST OF 20 MPH (AS HIGH AS 25
MPH) BY LATE MORNING. TEMPERATURES WILL WARM INTO THE LOW 70S.
MINIMUM RELATIVE HUMIDITY WILL REMAIN NEAR 56% 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. EXCELLENT VENT RATES BY THE LATE
AFTERNOON 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 10 PM EDT TONIGHT.
WARMER AND DRIER WITH LIGHTER WINDS FOR TUESDAY AS SURFACE HIGH
PRESSURE DOMINATES.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........56 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 9 TO 12 MPH WITH GUSTS TO
AROUND 25 MPH.
TRANSPORT WINDS.....NORTHWEST 15 TO 23 MPH.
MIXING HEIGHT.......1000-2900 FT AGL INCREASING TO 3200-3600 FT AGL
LATE IN THE AFTERNOON.
VENTILATION INDEX...FAIR TO EXCELLENT (132.0-605.0) INCREASING TO
EXCELLENT (642.0) LATE IN THE AFTERNOON.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 75 53 77 78 72 80 67 62 46 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............55 57 61 65 67 67 68 69 70 71 71
RH..............80 80 78 68 63 63 61 59 59 57 57
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 10 12 13 13 13 13 14 13 13 12
20 FT WIND GUST.17 18 19 20 22 23 24 24 21 19 17
MIX HGT (KFT)...1.0 1.6 2.3 2.6 2.7 2.7 2.8 2.9 3.2 3.6 3.6
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.15 18 23 22 22 21 22 22 22 21 21
VRATE KT-FT.....132 262 469 489 518 494 537 554 605 648 642
VENTRATE CAT....FR FR GD GD GD GD GD GD EXL EXL EXL
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........100 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 9 MPH IN THE EVENING
BECOMING LIGHT.
TRANSPORT WINDS.....NORTH 9 TO 18 MPH SHIFTING TO THE NORTHWEST 6
TO 8 MPH OVERNIGHT.
MIXING HEIGHT.......2900-3500 FT AGL DECREASING TO 400-900 FT AGL
EARLY IN THE EVENING.
VENTILATION INDEX...POOR TO GOOD (91.0-555.0) DECREASING TO POOR
(20.0) IN THE LATE EVENING AND OVERNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........46 33 30 32 32 30 30 50 37 42 47 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............70 69 68 62 58 55 53 52 52 49 49 48
RH..............59 61 61 78 90 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 10 9 7 7 7 6 6 6 5 5 5
20 FT WIND GUST.16 15 11 10 0 0 0 0 0 0 0 0
MIX HGT (KFT)...3.5 2.9 0.9 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NW NW NW N N N N N N N NW NW
TRANSP WIND SPD.18 17 12 10 10 9 9 9 8 7 6 6
VRATE KT-FT.....555 438 91 45 44 39 38 36 28 25 20 20
VENTRATE CAT....GD GD PR 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........41 PERCENT.
20-FOOT WINDS.......LIGHT W WINDS. OCCASIONAL GUSTS UP TO 15 MPH.
TRANSPORT WINDS.....WEST 5 TO 10 MPH BECOMING AROUND 8 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......400-1600 FT AGL INCREASING TO 5400-6700 FT AGL.
VENTILATION INDEX...POOR TO GOOD (16.0-321.0) INCREASING TO GOOD TO
EXCELLENT (402.0-603.0) LATE IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 48 41 59 48 49 32 28 36 55 44 52
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 49 56 66 70 72 74 77 78 78 79
RH..............100 100 100 96 68 59 55 50 43 43 43 41
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 7 7 7 10 10 10 12 14 14
MIX HGT (KFT)...0.4 0.4 0.4 1.0 1.6 2.8 3.8 4.7 5.4 6.0 6.7 5.7
TRANSP WIND DIR.NW NW NW W W W W W W W W W
TRANSP WIND SPD.6 5 5 6 6 7 7 7 7 10 10 8
VRATE KT-FT.....19 16 16 50 82 169 229 283 321 540 603 402
VENTRATE CAT....PR PR PR PR PR FR FR FR GD GD EXL GD
FORECASTER...ELD
REQUESTED BY...6-50
TYPE OF REQUEST...PRESCRIBED
.TAG 2620181.0/APX
.DELDT 08/24/26
.FORMATTERVERSION 2.0.0
.EMAIL JANISSEM@MICHIGAN.GOV,CORSERJ@MICHIGAN.GOV
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