652
FXUS63 KILX 091708
AFDILX
AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE LINCOLN IL
1108 AM CST FRI JAN 9 2026
KEY MESSAGES
- NO MAJOR STORM SYSTEMS ARE EXPECTED TO IMPACT CENTRAL ILLINOIS
OVER THE NEXT WEEK.
SHORT TERM
(TODAY THROUGH SATURDAY)
ISSUED AT 333 AM CST FRI JAN 9 2026
A COLD FRONT IS MARCHING STEADILY EASTWARD THROUGH CENTRAL
ILLINOIS EARLY THIS MORNING...BRINGING AN END TO THE RECORD
WARMTH. 09Z/3AM TEMPERATURES RANGE FROM THE LOWER 60S ALONG/EAST
OF THE I-57 CORRIDOR TO THE LOWER 40S WEST OF THE ILLINOIS RIVER.
ONCE THE FRONT PASSES, READINGS WILL DROP INTO THE 40S ACROSS
EAST-CENTRAL ILLINOIS BY MID TO LATE MORNING...WHILE TEMPS HOVER
IN THE LOWER TO MIDDLE 40S UNDER A MOSTLY CLOUDY SKY FURTHER WEST
ACROSS THE REMAINDER OF THE KILX CWA. WESTERLY WINDS WILL GUST
25-35MPH EARLY THIS MORNING, THEN WILL VEER TO NORTHWESTERLY AND
GRADUALLY DECREASE TO LESS THAN 10MPH TOWARD SUNSET. AFTER A
COOL/DRY EVENING, A SHORT-WAVE TROUGH INTERACTING WITH THE
DEPARTING FRONTAL BOUNDARY WILL BRING LIGHT RAIN SHOWERS MAINLY
ALONG/WEST OF I-55 OVERNIGHT...THEN FURTHER EAST ACROSS THE REST
OF CENTRAL ILLINOIS SATURDAY MORNING. SOME SNOW MAY MIX WITH THE
RAIN AT TIMES: HOWEVER, NO SNOW ACCUMULATION IS EXPECTED. ONCE THE
IMPULSE PASSES, THE SHOWERS WILL TAPER OFF SATURDAY
AFTERNOON/EVENING, FOLLOWED BY A SURGE OF COLDER AIR SATURDAY
NIGHT THAT WILL DROP OVERNIGHT LOWS INTO THE LOWER 20S.
BARNES
LONG TERM
(SUNDAY THROUGH THURSDAY)
ISSUED AT 333 AM CST FRI JAN 9 2026
A SERIES OF CLIPPER SYSTEMS WILL PASS MAINLY NORTH OF CENTRAL
ILLINOIS NEXT WEEK...FOCUSING THE BEST CHANCE FOR SIGNIFICANT
PRECIPITATION ACROSS THE UPPER MIDWEST INTO THE GREAT LAKES. AFTER
A SEASONABLY COOL DAY ON SUNDAY WITH HIGH TEMPERATURES IN THE
MIDDLE 30S, SOUTHWESTERLY FLOW AHEAD OF ONE OF THE CLIPPERS WILL
BOOST TEMPS WELL INTO THE 40S ON MONDAY, THEN INTO THE LOWER 50S
BY TUESDAY. LIMITED DEEP-LAYER MOISTURE WITHIN THE WAA REGIME
AHEAD OF THE SYSTEM WILL TRIGGER A FEW RAIN SHOWERS TUESDAY
AFTERNOON INTO TUESDAY NIGHT: HOWEVER, RAINFALL AMOUNTS WILL
REMAIN 0.10 OR LESS. ONCE THE WAVE PASSES TO THE EAST AND
AMPLIFIES, IT WILL PULL A COLDER AIRMASS BACK SOUTHWARD FOR THE
END OF NEXT WEEK...RESULTING IN TEMPS DROPPING BACK INTO THE 30S
FOR WEDNESDAY AND THURSDAY.
BARNES
AVIATION
(FOR THE 18Z TAFS THROUGH 18Z SATURDAY AFTERNOON)
ISSUED AT 1108 AM CST FRI JAN 9 2026
MVFR CEILINGS HAVE STEADILY BEEN SCATTERING OUT FROM THE WEST THIS
MORNING. TRENDS OFF VISIBLE SATELLITE SHOW KDEC WILL CLEAR AROUND
18Z AND KCMI SHORTLY AFTER THAT. ANOTHER AREA OF MVFR CEILINGS HAS
BEEN DROPPING SOUTHEAST FROM EASTERN IA, AND SHORT RANGE GUIDANCE
SHOWS THIS COULD IMPACT KPIA THIS AFTERNOON SO INCLUDED A TEMPO
GROUP FOR THAT. OTHERWISE, MVFR CEILINGS WILL REDEVELOP OVER THE
REGION TONIGHT AHEAD OF THE NEXT SYSTEM. AS PRECIP OVERSPREADS THE
TERMINALS LATE TONIGHT, CEILINGS ARE FORECAST TO DROP TO IFR.
INCLUDED RAIN/SNOW MIX AT THE NORTHERN TERMINALS (KPIA-KBMI), WITH
A LOW (30%) POTENTIAL FOR A COMPLETE CHANGEOVER TO SNOW AT KPIA
AND IFR VISIBILITY. NORTHWEST WIND GUSTS WILL SUBSIDE EARLY THIS
AFTERNOON OVER OUR EASTERN TERMINALS WITH WINDS GOING
LIGHT/VARIABLE THIS EVENING THROUGH MUCH OF TONIGHT. AFTER THE
SYSTEM MOVES OUT MID TO LATE SATURDAY MORNING, WEST- NORTHWEST
WINDS WILL AGAIN INCREASE WITH SOME GUSTS TO 20+ KT.
25
ILX WATCHES/WARNINGS/ADVISORIES
NONE.
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