928  
FXUS63 KMKX 091848  
AFDMKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
148 PM CDT THU APR 9 2026  
   
KEY MESSAGES  
 
- ANOTHER ROUND OF SHOWERS (60-90+ PERCENT) IS FORECAST TONIGHT.  
 
- AN ACTIVE WEATHER PATTERN RETURNS LATE THIS WEEKEND INTO NEXT  
WEEK. WARM AND HUMID CONDITIONS AND MORE SHOWERS AND STORMS  
ARE EXPECTED. SEVERE STORMS WILL BE POSSIBLE.  
 
 
   
SHORT TERM  
 
ISSUED 145 PM CDT THU APR 9 2026  
 
TONIGHT THROUGH SATURDAY:  
 
THIS EVENING EXPECT A WARM FRONT TO LIFT NORTH INTO THE AREA  
BASED FROM A WEAK LOW PRESSURE DEVELOPING IN LEE OF THE ROCKIES  
INTO THE CENTRAL PLAINS. A SHORTWAVE ALOFT, STRONG WAA ON THE  
NOSE OF THE LLJ IN THE LOW TO MID LEVELS WITH A MOIST COLUMN  
SUGGEST A VERY HIGH CHANCE FOR PRECIP THIS EVENING WITH A SLUG  
OF RAIN EXPECTED. THE BEST CHANCES (90+%) WILL BE FOR THE  
SOUTHERN PORTIONS OF THE CWA WITH SLIGHTLY LESSER CHANCES  
TOWARD CENTRAL WI. THUNDER LOOKS UNLIKELY GIVEN THE PROFILES  
SUGGESTING VERY LIMITED INSTABILITY BUT WE CANNOT RULE OUT A  
RUMBLE OF THUNDER, ESPECIALLY IF THE WARM FRONT LIFTS ANY  
FARTHER NORTH THAN CURRENTLY EXPECTED. PWATS ACROSS THE CWA WILL  
RANGE FROM 0.75-1 IN. AND PRECIP AMOUNTS APPEAR LIKELY TO BE IN  
THE 0.2 RANGE TOWARD CENTRAL PORTIONS OF WI BUT BETWEEN 0.75  
AND 1 INCH TOWARD THE WI/IL BORDER. PRECIP WILL GENERALLY PUSH  
OUT SOMETIME FRIDAY MORNING AS HIGH PRESSURE NUDGES IN FROM THE  
NORTHWEST, SHOVING THE FRONT BACK TO THE SOUTH. FRIDAY DURING  
THE DAY CAMS SUGGEST A CHANCE FOR A FEW SCATTERED SHOWERS  
PRIMARILY NEAR THE LAKE ASSOCIATED WITH AN AREA OF LOW LEVEL  
MOISTURE WITH PERHAPS A BIT OF WAA AROUND 850MB PROVIDING ENOUGH  
FORCING TO BRING SOME SCATTERED SHOWER ACTIVITY.  
 
HIGH PRESSURE WILL CONTINUE TO PUSH EAST BUT WILL STRENGTHEN  
INTO THE CENTRAL GREAT LAKES REGION FRIDAY NIGHT KEEPING US DRY  
THROUGH MOST OF THE DAY SATURDAY. EAST WIND OFF THE LAKE FROM  
THE HIGH PRESSURE WILL KEEP US FAIRLY COOL, HOWEVER.  
 
LATER DURING THE DAY SATURDAY WE WILL START TO SEE THE NEXT  
SYSTEM START TO PUSH IN AS A LOW DEVELOPS OVER THE NORTH CENTRAL  
US. PRECIP MAY BEGIN TO PUSH IN BY THE LATE AFTERNOON.  
 
KUROSKI  
 
 
   
LONG TERM  
 
ISSUED 145 PM CDT THU APR 9 2026  
 
SATURDAY NIGHT THROUGH THURSDAY:  
 
HIGH UNCERTAINTY REMAINS IN THE EXTENDED PERIOD AS SOUTHERLY  
LOW LEVEL FLOW WILL CONTINUE SATURDAY NIGHT THROUGH AT LEAST  
TUESDAY PER LATEST MODELS. THIS WILL BRING WARMER TEMPERATURES  
DURING THIS PERIOD WITH HIGHS LIKELY REACH THE 70S SUNDAY  
THROUGH TUESDAY POSSIBLY EVEN INTO WEDNESDAY, THOUGH FAR MORE  
UNCERTAIN. ADDITIONALLY, EXPECT PERIODS OF WARM ADVECTION ALOFT  
AND INCREASING MOISTURE AS A COUPLE OF SHORTWAVES ROLL THROUGH.  
THIS WILL BRING MULTIPLE ROUNDS OF SHOWER/STORM CHANCES SAT  
NIGHT THROUGH MONDAY. UNCERTAINTY IN THE TIMING OF SHORTWAVE  
ACTIVITY REMAINS HIGH BUT ANY ACTIVITY WOULD LIKELY INCLUDE  
STORM CHANCES GIVEN LIKELY INSTABILITY BEING PLENTIFUL DURING  
THIS PERIOD. THE QUESTION THEN BECOMES WHAT THE CHANCES WILL BE  
FOR SEVERE STORMS, PARTICULARLY MONDAY AND TUESDAY BRINGING THE  
BEST CHANCES AT THIS TIME. THE ENVIRONMENTAL FACTORS THAT LEAD  
TO SEVERE WEATHER APPEAR TO BE FAVORABLE BUT A BIG COMPLICATING  
FACTOR IS ALWAYS TIMING. IN ANY CASE, FORECAST CWASP VALUES ARE  
FAIRLY HIGH FOR MON AND TUE WITH DECENT DEEP LAYER SHEAR, BOTH  
OF WITH IN ADDITION TO INSTABILITY SUGGESTS THE POTENTIAL FOR  
SEVERE WEATHER. DEPENDING ON THE MODEL, THIS COULD LINGER INTO  
WEDNESDAY BEFORE THE FRONT COMES THROUGH, WHICH WOULD ALLOW FOR  
AN ADDITIONAL DAY OF SEVERE WEATHER POTENTIAL.  
 
KEPT PRECIP CHANCES THROUGH WEDNESDAY AS THE LATEST PERIOD TO  
WHICH THE LOW EXITS, WITH COOLER TEMPS ARRIVING ON THE BACK  
SIDE OF THE LOW FOR MID TO LATE WEEK.  
 
KUROSKI  
 
 
   
AVIATION  
 
ISSUED 145 PM CDT THU APR 9 2026  
 
QUIET THROUGH THE AFTERNOON WITH MODEST WEST WINDS AND MOSTLY  
CLEAR SKIES. HOWEVER, LATE THIS AFTERNOON INTO FRIDAY MORNING  
A SYSTEM WILL PUSH IN THAT WILL BRING MODERATE RAIN SHOWERS TO  
MUCH OF SOUTHERN WI WITH LIKELY MVFR/IFR CIGS EXPECTED WITH EVEN  
SOME LIFR IN SOUTHEAST WI. SOME IMPACTS TO VSBYS WITH THE RAIN  
SHOWERS IS TO BE EXPECTED BUT VSBYS. CANNOT RULE OUT A FEW  
RUMBLES OF THUNDER WITH THIS EITHER. SKIES WILL GENERALLY CLEAR  
FROM THE NORTHWEST FRIDAY BUT SOME LIGHT PRECIP MAY DEVELOP NEAR  
THE LAKE DURING THE DAY. THIS WILL KEEP SOME MVFR CIGS  
PERSISTING INTO THE DAY BEFORE CLOUDS BEGIN TO LIFT TO VFR LATER  
IN THE DAY. VFR CONDITIONS RETURN BY LATE FRIDAY AFTERNOON FOR  
ALL OF SOUTHERN WI BUT LIKELY BY EARLY AFTERNOON FOR MOST OF THE  
WESTERN HALF OF THE STATE.  
 
KUROSKI  
 
 
   
MARINE  
 
ISSUED 145 PM CDT THU APR 9 2026  
 
LOW PRESSURE AROUND 29.6 INCHES HAS PUSHED EAST OF ST JAMES BAY  
THIS AFTERNOON WITH HIGH PRESSURE OF 30. INCHES BUILDING IN OVER  
THE LAKE. RAIN AND PERHAPS A FEW RUMBLES OF THUNDER POSSIBLE  
OVER THE SOUTH HALF OF THE LAKE TONIGHT AS A WARM FRONT LIFTS  
INTO THE SOUTHERN HALF OF THE LAKE WITH A WEAK LOW PRESSURE  
REGION DEVELOPING SOUTH OF THE LAKE. WINDS WILL REMAIN MORE  
NORTHERLY ACROSS THE LAKE BUT FAIRLY LIGHT. HIGH PRESSURE WILL  
PUSH THIS SYSTEM BACK SOUTH AND BUILD IN OVER THE EASTERN GREAT  
LAKES REGION TO AROUND 30.4 INCHES. OVERALL LIGHT AND VARIABLE  
WINDS WILL CONTINUE THROUGH MUCH OF SATURDAY BEFORE BREEZY  
SOUTHERLY WINDS RETURN LATE WEEKEND THROUGH AS LATE AS MID NEXT  
WEEK.  
 
SOUTHERLY GALES ARE POSSIBLE OVER THE NORTH HALF SUNDAY INTO  
MONDAY MORNING WITH PERIODS EARLY TO MID NEXT WEEK FEATURING  
CHANCES FOR STORMS, POSSIBLY SOME STORMS BEING STRONG.  
 
KUROSKI  
 
 
   
MKX WATCHES/WARNINGS/ADVISORIES  
 
WI...NONE.  
LM...NONE.  
 
 
 
 
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