885
ASUS43 KLOT 201101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST SAT DEC 20 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-201200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 35 21 56 S12G18 29.64F WCI 27 TC 2
STERLING* MOCLDY 34 22 61 VRB6 29.69F WCI 29 TC 1
SAVANNA* MOCLDY 31 22 67 S13 29.65F WCI 22 TC 0
ILZ003-004-008-010-011-017-018-201200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 32 22 66 S15G24 29.69F WCI 22 TC 0
FREEPORT* MOCLDY 33 24 69 S17 29.65F WCI 22 TC 0
DE KALB* MOCLDY 30 23 76 S16 29.72F WCI 18 TC -1
PERU* MOCLDY 33 24 70 S23 29.71F WCI 21 TC 1
ILZ005-006-012>014-019>023-201200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 31 18 58 S15G26 29.73F WCI 20 TC -1
CHICAGO-MIDWAY CLOUDY 32 19 58 S18G31 29.77F WCI 20 TC 0
AURORA MOCLDY 31 22 69 S18 29.73F WCI 19 TC -1
JOLIET* MOCLDY 35 23 63 S13G24 29.78F WCI 26 TC 2
WAUKEGAN MOCLDY 29 18 63 S14 29.70F WCI 18 TC -2
DUPAGE AIRPORT MOCLDY 31 21 66 S21G29 29.73F WCI 18 TC -1
WHEELING MOCLDY 31 19 61 S17G28 29.74F WCI 19 TC -1
MORRIS* MOCLDY 33 24 71 S18G24 29.76F WCI 21 TC 0
LANSING* MOCLDY 31 16 53 S16G23 29.82F WCI 20 TC -1
NORTHERLY ISL* N/A 31 19 61 S14 N/A WCI 21 TC 0
LMZ740>746-201200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
NORTHERLY ISL 31 180/ 8/ 14 N/A
CALUMET HARBOR 30 160/ 12/ 18 1008.7
BURNS HARBOR 31 180/ 11/ 16 1010.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-201200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 38 22 52 S16G25 29.72F WCI 29 TC 3
GALESBURG* MOCLDY 35 28 76 S16G22 29.70F WCI 25 TC 2
MACOMB* MOCLDY 34 24 66 S15 29.74S WCI 24 TC 1
JACKSONVILLE* MOCLDY 35 23 62 S14G21 29.79F WCI 25 TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-201200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 32 23 68 S23 29.79F WCI 19 TC 0
BLOOMINGTON PTCLDY 32 24 72 S23G29 29.79F WCI 19 TC 0
DECATUR PTCLDY 33 22 63 S20G29 29.84F WCI 21 TC 1
PEORIA MOCLDY 33 24 69 S14 29.75F WCI 23 TC 1
LACON* MOCLDY 36 22 56 S13 29.73F WCI 27 TC 2
LINCOLN* MOCLDY 35 22 59 S17 29.81F WCI 24 TC 2
SPRINGFIELD MOCLDY 36 24 62 S24G38 29.80F WCI 24 TC 2
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 30 22 72 S21G29 29.86F WCI 17 TC -1
DANVILLE* PTCLDY 31 22 67 S15 29.90F WCI 21 TC 0
RANTOUL* CLEAR 29 22 74 S13 29.86F WCI 19 TC -2
MATTOON MOCLDY 31 21 66 S16 29.90F WCI 20 TC -1
PARIS* PTCLDY 30 21 68 S17 29.93F WCI 18 TC -1
ILZ079-100>102-201200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 37 26 62 S10 29.87F WCI 30 TC 3
CAHOKIA* PTCLDY 33 24 69 S8 29.86 WCI 26 TC 1
SPARTA* CLEAR 37 24 58 S14G22 29.92F WCI 29 TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 34 23 64 S9 29.96F WCI 27 TC 1
CAIRO* PTCLDY 37 26 65 S10 30.01F WCI 30 TC 3
EFFINGHAM* MOCLDY 31 23 72 SE7 29.95F WCI 24 TC -1
MT. VERNON CLEAR 35 22 58 S10 29.96F WCI 27 TC 2
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 37 23 56 S8 29.92F WCI 31 TC 3
METROPOLIS* PTCLDY 32 21 63 CALM 30.03F TC 0
ILZ067-068-072-073-078-083-087-091-201200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 29 22 75 S12 30.00F WCI 19 TC -2
FLORA* PTCLDY 32 23 69 S15 29.95F WCI 22 TC 0
FAIRFIELD* CLEAR 32 22 66 S7 29.98S WCI 26 TC 0
HARRISBURG* CLEAR 32 22 68 S6 29.99F WCI 26 TC 0
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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