439
FXUS63 KILX 301910
AFDILX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
210 PM CDT THU APR 30 2026
KEY MESSAGES
- LIGHT RAIN SHOWERS ARE MOVING ACROSS CENTRAL IL THIS
AFTERNOON. WHILE AMOUNTS SHOULD BE RELATIVELY LIGHT, SOME
GUSTY WINDS COULD ACCOMPANY THE HEAVIER SHOWERS.
- TONIGHT TEMPERATURES WILL DROP DOWN IN THE UPPER 30S TO MID
40S, WITH A 40-60% CHANCE OF THEM GETTING BELOW 36 DEGREES
WEST OF THE ILLINOIS RIVER VALLEY. ALONG AND WEST OF THE
ILLINOIS RIVER VALLEY COULD HAVE SOME FROST DEVELOP IN THE
COLDER, LOW SPOTS TONIGHT.
- THE OVERALL WEATHER PATTERN THE NEXT WEEK WILL FAVOR
TEMPERATURES BELOW NORMAL, WITH ONLY SUNDAY AND MONDAY
REACHING NEAR CLIMATOLOGICAL NORMALS (LOW 70S FOR EARLY MAY).
DISCUSSION
ISSUED AT 209 PM CDT THU APR 30 2026
GOOD AFTERNOON! TODAY IS A CHILLY SPRING DAY WITH SOME LIGHT RAIN
DRIFTING ITS WAY ACROSS CENTRAL IL THIS AFTERNOON. THERE IS SOME DRY
AIR ALOFT SO NOT ALL THE RAIN WILL REACH THE GROUND, LIMITING
RAINFALL ACCUMULATIONS TODAY. SOME OF THE HEAVIER SHOWERS COULD HAVE
SOME GUSTY WINDS IN THEM. OVERNIGHT, TEMPERATURES WILL DROP DOWN IN
THE UPPER 30S TO MID 40S, WITH A 40-60% CHANCE OF THEM GETTING
BELOW 36 DEGREES WEST OF THE ILLINOIS RIVER VALLEY. ALONG AND
WEST OF THE ILLINOIS RIVER VALLEY COULD HAVE SOME FROST DEVELOP
IN THE COLDER, LOW SPOTS TONIGHT.
TOMORROW AND SATURDAY WILL BE SLIGHTLY CHILLIER, WITH HIGHS IN THE
MID 50S TO LOW 60S. WE WILL WARM UP TO THE MID 70S FOR A QUICK
MOMENT ON MONDAY BEFORE COOLING BACK INTO THE LOW TO MID 60S FOR THE
REST OF THE WEEK. LOWS WILL WILL BE COOLEST TONIGHT AND TOMORROW IN
THE MID 30S TO LOW 40S, THEN WILL BE IN THE 40S TO 50S. ADDITIONAL
FROST CHANCES ARRIVE TOMORROW NIGHT NORTH OF A GALESBURG TO CASEY
LINE.
THERE COULD BE SOME SPRINKLES OR LIGHT RAIN BRIEFLY TOMORROW NIGHT.
WE WILL BE TRANSFORMING INTO A MORE SPLIT FLOW PATTERN NEXT WEEK.
WHICH WILL BRING MULTIPLE CHANCES FOR RAIN THROUGHOUT THE NEXT WORK
WEEK. THE WPC HAS OUR QPF FOR THE NEXT 7 DAYS IN THE 0.5-1.5 INCH
RANGE. THE CPC IS SHOWING ABOVE NORMAL FOR PRECIPITATION IN THE NEXT
6-10 DAYS. THE BEST CHANCE FOR RAIN COMES TUESDAY INTO WEDNESDAY
MORNING WITH 50-70% POPS IN THE FORECAST.
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/
ISSUED AT 1220 PM CDT THU APR 30 2026
AN UPPER LEVEL DISTURBANCE IS DIGGING ACROSS THE MID/UPPER
MISSISSIPPI VALLEY EARLY THIS AFTERNOON WITH SCATTERED LIGHT AND
HIGH-BASED SHOWERS SPREADING SE FROM IA INTO IL. THERE COULD BE
SOME GUSTY WINDS AND BRIEF MVFR VISIBILITY IN AND NEAR THE
SHOWERS AS THEY MOVE ACROSS CENTRAL IL THIS AFTERNOON AND
EVENING, OTHERWISE VFR CONDITIONS ARE EXPECTED THROUGH THE
PERIOD. A MODEST SW BREEZE IN PLACE THIS AFTERNOON WILL SET UP
OUT OF THE NW TONIGHT THEN VEER TO NORTHERLY DURING THE DAY
FRIDAY.
ILX WATCHES/WARNINGS/ADVISORIES
NONE.
KEY MESSAGES...COPPLE
DISCUSSION...COPPLE
AVIATION...DEUBELBEISS
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