685  
FNUS73 KMQT 041414  
FWSMQT  
 
SPOT FORECAST FOR MINERS CASTLE RX...NPS  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1014 AM EDT THU JUN 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON JUNE 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
LOW PRESSURE WILL MOVE FROM THE CANADIAN PRAIRIES THROUGH SOUTHERN  
ONTARIO TODAY AND TONIGHT, REACHING QUEBEC FRIDAY NIGHT. THIS WILL  
HELP PULL GULF MOISTURE NORTH AHEAD OF A COLD FRONT, INCREASING THE  
CHANCE FOR SHOWERS AND THUNDERSTORMS TONIGHT INTO FRIDAY NIGHT. DEEPER  
MOISTURE WILL NOT REACH THE BURN AREA UNTIL TONIGHT, EXPECT RH TO FALL  
AS LOW AS 25% THIS AFTERNOON ALONG WITH SOUTHERLY WINDS GUSTING TO  
20 MPH.  
 
CLOUD COVER, POTENTIAL PRECIPITATION AND HIGHER DEWPOINTS WILL KEEP THE  
RH HIGHER ON FRIDAY, GENERALLY ABOVE 70%. THIS WILL BE FOLLOWED BY COOLER  
AIR ON SATURDAY BEHIND A COLD FRONT ALONG WITH NORTHERLY FLOW OFF OF LAKE  
SUPERIOR. THIS WILL KEEP RH ABOVE 50% THROUGH THE DAY THOUGH PRECIP IS  
NOT EXPECTED.  
 
LIGHT SOUTHEAST FLOW WILL RETURN FOR SUNDAY WITH OVERALL WARMER  
TEMPERATURES (LOW 80S FOR HIGHS) AND DRY WEATHER. AT THIS TIME RH  
LOOKS TO BE IN THE 35 TO 40% RANGE DURING THE AFTERNOON. WITH THE LIGHT  
FLOW EXPECT A LAKE BREEZE TO DEVELOP IN THE AFTERNOON, RESULTING IN A  
WIND SHIFT TO THE NORTH OR NORTHEAST DURING THE EARLY AFTERNOON. BEHIND  
THE LAKE BREEZE TEMPERATURES WILL FALL INTO THE 60S AND RH WILL INCREASE.  
 
MONDAY WILL SEE TEMPERATURES REACHING THE MID 80S WITH SOUTHERLY WINDS OF  
10-15 MPH, GUSTING TO 25 MPH, KEEPING THE LAKE BREEZE AT BAY. RH WILL BE  
IN THE 30-40% RANGE DURING THE AFTERNOON.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...6 PERCENT.  
TEMPERATURE.........74 AT IGNITION...MAX 84.  
RH..................37 PERCENT AT IGNITION...MIN 27 PERCENT.  
DEWPOINT............46.  
33-FOOT WINDS.......WINDS SOUTH AT 10 MPH AT IGNITION...OTHERWISE  
SOUTH WINDS 10 TO 13 MPH GUSTING TO 20 MPH THIS  
AFTERNOON.  
20-FOOT WINDS.......SOUTH WINDS 8 TO 10 MPH GUSTING TO 20 MPH THIS  
AFTERNOON.  
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE 700-1700 FT  
AGL INCREASING TO 2100-3600 FT AGL LATE IN THE  
AFTERNOON, THEN DECREASING TO 800 FT AGL LATE  
IN THE AFTERNOON.  
VENTILATION INDEX...POOR (100) AT IGNITION. MAX...GOOD (536.0).  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING (KFT).......23 DECREASING TO 20 LATE IN THE AFTERNOON.  
 
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........47 68 64 75 75 85 79  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 10 10  
CHC OF THDR (%).0 0 0 0 0 0 10  
TEMP............74 81 81 83 84 84 82  
DEWPOINT........46 45 45 45 46 47 48  
RH..............37 28 29 27 27 28 31  
33 FT WIND DIR..S S S S S S S  
33 FT WIND SPD..10 12 12 12 13 13 13  
20 FT WIND DIR..S S S S S S S  
20 FT WIND SPD..8 10 10 10 10 10 10  
WIND GUST.......14 14 14 14 18 18 18  
MIX HGT (KFT)...0.7 1.7 2.7 3.1 3.6 2.1 0.8  
VINDX KT-FT/100.10 24 37 46 54 33 12  
CEILING (KFT)...23 23 24 23 21 22 20  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF THUNDER...19 PERCENT.  
TEMPERATURE.........MIN 52.  
RH..................MAX 100 PERCENT.  
DEWPOINT............50 INCREASING TO 54 OVERNIGHT.  
33-FOOT WINDS.......SOUTH WINDS 8 TO 13 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
20-FOOT WINDS.......SOUTH WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......400-700 FT AGL.  
VENTILATION INDEX...POOR (46.0).  
RAINFALL AMOUNT.....0.04 INCHES.  
CEILING (KFT).......19 DECREASING TO 15 EARLY IN THE EVENING, THEN  
DECREASING TO 9.9 LATE IN THE EVENING  
DECREASING TO 8.7 LATE IN THE EVENING  
DECREASING TO 5.9 DECREASING TO 5.3 OVERNIGHT  
INCREASING TO 6.0.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........84 85 93 92 81 82 92 91 78 81 73 83  
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH  
CHC OF PCPN (%).10 10 30 30 30 40 30 30 40 40 40 40  
CHC OF THDR (%).10 10 20 20 20 20 20 20 20 20 20 10  
TEMP............83 77 69 60 59 58 57 56 55 54 56 55  
DEWPOINT........48 49 50 50 50 51 52 53 54 54 55 54  
RH..............30 38 50 69 74 78 86 89 96 100 96 96  
33 FT WIND DIR..S S S S S S S S S S S S  
33 FT WIND SPD..13 13 13 12 12 12 10 10 10 8 8 8  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..10 10 10 10 10 10 8 8 8 6 6 6  
WIND GUST.......17 17 17 17 17 17 14 14 14 12 12 12  
MIX HGT (KFT)...0.7 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
VINDX KT-FT/100.11 9 8 7 7 6 6 6 6 6 5 5  
CEILING (KFT)...19 15 15 9.9 8.7 6.7 6.2 5.9 5.3 6.7 6.1 6.0  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON.  
CHANCE OF PCPN......70 PERCENT.  
CHANCE OF THUNDER...21 PERCENT.  
TEMPERATURE.........MAX 69.  
RH..................MIN 72 PERCENT.  
DEWPOINT............56.  
33-FOOT WINDS.......SOUTH WINDS 5 TO 7 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
20-FOOT WINDS.......SOUTH WINDS UP TO 6 MPH.  
MIXING HEIGHT.......400-1200 FT AGL.  
VENTILATION INDEX...POOR (29.0).  
RAINFALL AMOUNT.....0.32 INCHES.  
CEILING (KFT).......5.9 DECREASING TO 4.6 EARLY IN THE MORNING,  
THEN DECREASING TO 3.3 EARLY IN THE MORNING  
INCREASING TO 4.8 EARLY IN THE AFTERNOON  
INCREASING TO 5.8 INCREASING TO 6.9 EARLY IN  
THE AFTERNOON DECREASING TO 5.9 DECREASING TO  
4.8 LATE IN THE AFTERNOON DECREASING TO 3.8.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........92 95 87 83 70 74 77 78 76 73 71 71  
WEATHER COV.....CHC CHC CHC CHC CHC SCH CHC CHC LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CHC OF PCPN (%).40 40 30 30 30 20 30 30 60 60 60 70  
CHC OF THDR (%).10 10 10 10 0 10 10 10 20 20 20 20  
TEMP............55 56 58 59 60 60 61 62 62 63 65 62  
DEWPOINT........55 55 56 56 57 56 56 56 56 56 56 56  
RH..............98 95 93 91 90 88 84 80 80 78 72 79  
33 FT WIND DIR..S S S S S S S S S SE SE SE  
33 FT WIND SPD..7 7 7 7 7 7 6 6 6 5 5 5  
20 FT WIND DIR..S S S S S S S S S SE SE SE  
20 FT WIND SPD..6 6 6 6 6 6 5 5 5 4 4 4  
WIND GUST.......11 11 11 10 10 10 10 10 10 6 6 6  
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.6 0.6 0.6 0.6 0.6 1.2 1.1 0.6  
VINDX KT-FT/100.5 5 4 5 5 5 4 4 3 6 7 3  
CEILING (KFT)...5.9 4.6 3.3 3.4 3.6 3.7 4.8 5.8 6.9 5.9 4.8 3.8  
 
 
FORECASTER...NJL  
REQUESTED BY...JOE HUGHES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614960.0/MQT  
.DELDT 06/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRANDON_RAMIREZ@NPS.GOV,JOSEPH_HUGHES@NPS.GOV  
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