003
FXUS63 KARX 131758
AFDARX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
1258 PM CDT SAT JUN 13 2026
KEY MESSAGES
- ISOLATED CHANCES OF SHOWERS AND STORMS MAINLY SOUTH OF
INTERSTATE 90 THROUGH THIS EVENING.
- UNSEASONABLY COOL DURING THE UPCOMING WEEK. THE COOLEST HIGH
TEMPERATURES WILL BE SUNDAY WITH HIGH TEMPERATURES RANGING
FROM THE MID-60S TO LOWER 70S.
- PERIODIC RAIN CHANCES FROM MONDAY AFTERNOON THROUGH FRIDAY.
ORGANIZED SEVERE WEATHER CHANCES LOOK LOW.
DISCUSSION
ISSUED AT 1251 PM CDT SAT JUN 13 2026
THIS AFTERNOON AND EVENING
A SHORTWAVE TROUGH WILL MOVE THROUGH THE REGION THIS AFTERNOON AND
EARLY EVENING. THERE MIGHT BE A FEW SHOWERS AND STORMS MAINLY
SOUTH OF INTERSTATE 90 ON THE NORTHERN EDGE OF THE ANVIL
SHIELD. EVEN IF THEY DO DEVELOP, THEY SHOULD NOT LAST TOO LONG.
IN THE WAKE OF THIS TROUGH'S PASSAGE, THE COLD FRONT WILL MOVE
SOUTH INTO THE MID- AND LOWER MISSISSIPPI RIVER VALLEY. HIGH
TEMPERATURES WILL BE IN THE 70S. LOW TEMPERATURES TONIGHT WILL
RANGE FROM THE MID-40S TO MID-50S.
SUNDAY THROUGH MONDAY MORNING
HIGH PRESSURE WILL BUILD ACROSS THE REGION ON SUNDAY AND KEEP THE
AREA DRY INTO MONDAY MORNING. TEMPERATURES WILL BE UNSEASONABLY
COOL. THE LARGEST TEMPERATURE ANOMALIES (AROUND 10F) WILL OCCUR ON
SUNDAY WHEN HIGH TEMPERATURES WILL RANGE FROM THE MID-60S TO LOWER
70S. LOW TEMPERATURES ON SUNDAY NIGHT WILL ONCE AGAIN RANGE FROM THE
MID-40S TO LOWER 50S. WEST WINDS ON THE WEST SIDE OF DEPARTING RIDGE
WILL BRING SLIGHTLY WARMER TEMPERATURES INTO THE REGION ON MONDAY
WITH HIGH TEMPERATURES IN THE LOWER AND MID-70S.
MONDAY AFTERNOON AND NIGHT
ANOTHER SHORTWAVE TROUGH WILL MOVE THROUGH THE REGION. 0-1 KM CAPES
WILL CLIMB UP TO 300 J/KG AHEAD OF THIS TROUGH. WITH WEAK 0-3 KM AND
0-6 KM SHEAR (LESS THAN 25 KNOTS), NOT ANTICIPATING ANY ORGANIZED
SEVERE WEATHER. LOW TEMPERATURES WILL RANGE FROM THE MID-40S TO MID-
50S.
TUESDAY THROUGH FRIDAY
THE POLAR JET WILL MOVE NORTHWARD TOWARD THE REGION. THIS JET WILL
BE VERY ACTIVE WITH SEVERAL EMBEDDED SHORTWAVE TROUGHS. AS A RESULT
EXPECT, PERIODIC SHOWERS AND STORMS FROM TUESDAY THROUGH FRIDAY.
LIKE YESTERDAY, THERE IS PLENTY OF UNCERTAINTY ON WHETHER THE
INSTABILITY AND SHEAR WILL BE CO-LOCATED AT ANY TIME DURING THIS
TIME PERIOD. AS A RESULT, IT IS UNCERTAIN WHETHER THERE WILL BE
ANY ORGANIZED SEVERE WEATHER. WITH THE POLAR JET REMAINING TO
OUR SOUTH AND WEST, TEMPERATURES WILL BE REMAIN BELOW NORMAL IN
THE 70S FOR HIGH TEMPERATURES AND RANGE FROM THE MID-40S TO
MID-50S FOR LOW TEMPERATURES.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
ISSUED AT 1258 PM CDT SAT JUN 13 2026
MAINLY VFR CONDITIONS FOR THE TAF PERIOD WITH HIGH-BASED SHOWERS AND
STORMS POSSIBLE SOUTH OF A RST TO DLL LINE THIS AFTERNOON. WESTERLY
WINDS SOUTH OF THE AFOREMENTIONED LINE TURN NORTHWEST THROUGH THE
AFTERNOON TO ALIGN WITH SITES FURTHER NORTH, WITH SOME GUSTS OF 15-
20 KTS LATE IN THE DAY. WINDS DROP TO 5-10 KTS OVERNIGHT AND THEN
INCREASE AGAIN TO 10-15G20-25KTS BY MIDDAY SUNDAY.
ARX WATCHES/WARNINGS/ADVISORIES
WI...NONE.
MN...NONE.
IA...NONE.
DISCUSSION...BOYNE
AVIATION...SKOW
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