662
FXUS63 KIWX 082325
AFDIWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
725 PM EDT FRI AUG 8 2025
KEY MESSAGES
- HOT AND HUMID THROUGH MONDAY WITH HIGHS IN THE UPPER 80S TO
NEAR 90 AND HEAT INDICES IN THE LOW TO MID 90S.
- CHANCES FOR SHOWERS AND STORMS RETURNS NEXT WEEK, WITH LOW
CONFIDENCE ON EXACT TIMING AND LOCATIONS TO BE IMPACTED.
DISCUSSION
ISSUED AT 139 PM EDT FRI AUG 8 2025
TORRID UPPER RIDGE WILL AMPLIFY A BIT FURTHER NEAR TERM BEFORE
FLATTENING ACROSS THE GREAT LAKES SOMEWHAT LATE WEEKEND. THIS
IN TURN SHOULD ALLOW FOR COMPOSITE OUTFLOW/COLD FRONTAL ZONE TO
SINK SEWD INTO AT LEAST NORTHWEST PORTIONS OF THE AREA LATER SUNDAY
NIGHT, PROVIDING CHANCES FOR TSTORMS THAT WILL THEN EXTEND
THROUGH MID WEEK TIMED WITH ACTIVE STORM TRACK THROUGH SRN
CANADA. HOTTEST TEMPS EXPECTED SAT - MON BENEATH HEART OF UPPER
RIDGE YET TEMPS EXPECTED TO CONTINUE WELL ABOVE NORMAL THROUGH
THE WEEK WITH REAMPLIFICATION OF UPPER RIDGE LIKELY AGAIN BY
NEXT WEEKEND. IN BETWEEN, PROXIMITY OF STALLED FRONTAL ZONE
IMPLIED ACROSS PARTS OF THE AREA SUPPORTS CHANCE POPS TIED TO
THE DIURNAL CURVE, MAINLY AFTERNOON AND EVENING.
AVIATION /00Z TAFS THROUGH 00Z SUNDAY/
ISSUED AT 720 PM EDT FRI AUG 8 2025
DIURNALLY DRIVEN VFR CU WILL QUICKLY DISSIPATE SHORTLY AFTER
THE START OF THE PERIOD, ONLY TO DEVELOP ONCE AGAIN MID TO LATE
MORNING SATURDAY. WINDS WILL FOLLOW A SIMILAR TREND TO THE
CLOUDS, BECOMING LIGHT AND EVENTUALLY CLIMBING BACK TO 10 KTS OR
SO AS MIXING INCREASES DURING SATURDAY.
IWX WATCHES/WARNINGS/ADVISORIES
IN...NONE.
OH...NONE.
MI...NONE.
MARINE...NONE.
DISCUSSION...T
AVIATION...FISHER
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