094
FXUS63 KILX 090933
AFDILX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
333 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 06Z TAFS THROUGH 06Z FRIDAY NIGHT)
ISSUED AT 1207 AM CST THU JAN 8 2026
0530Z/1130PM RADAR IMAGERY SHOWS CONVECTIVE LINE HAS NOW PUSHED
EAST OF KCMI/KDEC. SKIES HAVE TEMPORARILY CLEARED BEHIND THE LINE:
HOWEVER, A LARGE AREA OF LOW CLOUDS ALONG/WEST OF THE MISSISSIPPI
RIVER WILL QUICKLY PUSH EASTWARD OVERNIGHT...AND WILL LIKELY
LINGER ACROSS MUCH OF THE AREA THROUGH FRIDAY NIGHT. CEILINGS
ACROSS IOWA ARE GENERALLY MVFR WITH A FEW EMBEDDED REPORTS OF IFR.
BASED ON SATELLITE TIMING TOOLS AND HRRR/RAP FORECAST, HAVE
LOWERED CEILINGS TO MVFR AT KPIA BY 08Z...THEN FURTHER EAST TO
KCMI SHORTLY AFTER 10Z. WHILE NAM FORECAST SOUNDINGS SUGGEST THE
CEILINGS MAY POTENTIALLY SCATTER LATER THIS AFTERNOON AND EVENING,
THE HRRR/RAP PAINTS A MORE PESSIMISTIC PICTURE WITH CONTINUED
MVFR CEILINGS THROUGH THE REMAINDER OF THE 06Z TAF PERIOD. GIVEN
THE TIME OF YEAR AND THE CONSISTENT SIGNAL FROM THE HRRR/RAP, HAVE
OPTED TO KEEP MVFR CEILINGS LOCKED IN AT ALL SITES EXCEPT KPIA
WHICH MAY TEMPORARILY SCATTER AFTER 21Z. WINDS WILL INITIALLY BE
SW WITH GUSTS OF 25-30KT, THEN WILL VEER TO NW AND CONTINUE TO
GUST 20-25KT THROUGH THE DAY BEFORE DECREASING TO 10KT OR LESS
TOWARD SUNSET.
BARNES
ILX WATCHES/WARNINGS/ADVISORIES
NONE.
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