074
FNUS73 KMKX 031118
FWSMKX
SPOT FORECAST FOR OBSERVATORY HILL SOUTH SAVANNA...WI DNR
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
618 AM CDT SUN MAY 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON MAY 03.
PLEASE CONTACT THE NATIONAL WEATHER SERVICE IF CONDITIONS BECOME
UNREPRESENTATIVE OR IF YOU HAVE QUESTIONS/CONCERNS ABOUT THIS FORECAST.
DISCUSSION
SLIGHT CHANCE FOR A SHOWER THIS MORNING BUT WILL CLEAR OUT INTO THE
AFTERNOON. POOR MIXING HEIGHTS AND SMOKE DISPERSAL AT INITIATION
BUT THIS WILL RAPIDLY IMPROVE LATER TODAY, ESPECIALLY INTO THE
AFTERNOON. OTHERWISE BREEZY SOUTHWEST WINDS THIS MORNING THAT WILL
GRADUALLY WEAKEN INTO THE AFTERNOON. MINIMUM RH FOR THE DAY IS
EXPECTED INTO THE AFTERNOON WITH A CHANCE THAT WE MIX OUT A BIT
MORE THAN EXPECTED BUT RH WOULD NOT BE EXPECTED TO DROP BELOW 25%.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT). CHANCE OF SPRINKLES
EARLY IN THE MORNING, THEN SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING. CHANCE OF
SPRINKLES LATE IN THE MORNING.
TEMPERATURE.........47 AT IGNITION...MAX 71.
RH..................58 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 9 MPH AT
IGNITION...OTHERWISE SOUTHWEST WINDS 9 TO 14
MPH SHIFTING TO THE WEST AROUND 10 MPH LATE IN
THE AFTERNOON. GUSTS UP TO 31 MPH DECREASING TO
21 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE 6700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 24 MPH SHIFTING TO THE WEST
AROUND 21 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR /11700 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /79800 KNOT-FT/ INCREASING TO
EXCELLENT (105100 KNOT-FT) LATE IN THE MORNING.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........71 58 60 46 25 20 19 19 19 20 15
WEATHER COV.....CHC SCH SCH CHC
WEATHER TYPE....RW RW RW RW
TSTM COV........
TEMP............47 51 54 56 59 61 64 66 68 69 70
RH..............58 56 54 53 47 44 41 38 36 35 33
20 FT WIND DIR..SW SW SW SW SW SW SW W W W W
20 FT WIND SPD..9 12 13 13 14 14 13 12 11 10 10
20 FT WIND GUST.18 22 25 24 24 23 20 18 18 17 17
MIX HGT (KFT)...0.7 0.9 1.8 3.1 4.1 4.7 4.9 5.3 5.9 6.7 6.7
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W
TRANSP WIND SPD.18 22 24 30 32 28 25 23 21 21 21
SDSPL KT-FT/100012 17 37 80 115 113 108 105 106 120 120
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
TEMPERATURE.........MIN 45.
RH..................MAX 76 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING SOUTHWEST 5 TO 7 MPH
OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 20 MPH DECREASING TO 8 TO 10 MPH IN
THE LATE EVENING AND OVERNIGHT, THEN SHIFTING
TO THE SOUTHWEST 9 TO 15 MPH OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (87600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2600 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........16 14 15 11 11 8 9 6 9 10 10 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............68 66 62 58 54 51 50 48 47 47 46 47
RH..............36 37 43 47 54 61 63 68 71 68 73 68
20 FT WIND DIR..W W W W W W SW SW SW S SW SW
20 FT WIND SPD..9 7 6 6 5 4 4 4 5 5 6 6
20 FT WIND GUST.14 14 11 11 10 8 8 7 10 10 11 13
MIX HGT (KFT)...5.2 0.8 0.5 0.5 0.4 0.4 0.4 0.3 0.3 0.3 0.4 0.4
TRANSP WIND DIR.W W W NW W W W SW SW SW S S
TRANSP WIND SPD.20 15 14 13 10 8 8 9 9 12 14 15
SDSPL KT-FT/100088 10 7 5 4 3 3 3 3 4 4 5
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
TEMPERATURE.........MAX 75.
RH..................MIN 33 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 16 MPH WITH GUSTS TO
AROUND 25 MPH SHIFTING TO THE WEST AROUND 13
MPH WITH GUSTS TO AROUND 20 MPH LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 22 MPH INCREASING TO WEST 28 TO
36 MPH IN THE LATE MORNING AND AFTERNOON, THEN
DECREASING TO AROUND 26 MPH LATE IN THE
AFTERNOON.
SMOKE DISPERSAL.....POOR (7100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (74800 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (109000
KNOT-FT) LATE IN THE MORNING, THEN DECREASING
TO EXCELLENT (83700 KNOT-FT) LATE IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 15 17 17 17 23 25 28 40 50 58 61
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC
TEMP............46 49 55 60 65 69 71 73 74 74 72 70
RH..............71 66 57 51 45 39 38 35 34 34 37 39
20 FT WIND DIR..SW SW SW SW SW SW SW SW W W W W
20 FT WIND SPD..7 8 10 12 13 15 16 16 17 16 15 13
20 FT WIND GUST.14 16 18 21 23 24 25 25 25 24 21 20
MIX HGT (KFT)...0.5 0.6 1.0 1.6 2.7 3.8 4.9 5.7 6.1 5.4 4.7 3.6
TRANSP WIND DIR.S SW SW SW SW SW W W W W W W
TRANSP WIND SPD.17 18 22 28 32 33 36 36 36 33 31 26
SDSPL KT-FT/10007 10 18 39 75 109 152 178 189 157 127 84
FORECASTER...KUROSKI
REQUESTED BY...TIMOTHY HOLME
TYPE OF REQUEST...PRESCRIBED
.TAG 2612489.0/MKX
.DELDT 05/03/26
.FORMATTERVERSION 2.0.0
.EMAIL TIMOTHY.HOLME@WISCONSIN.GOV
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