540
ASUS43 KLOT 220406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST SUN DEC 21 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.
ILZ001-002-007-009-015-016-024-220500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 32 22 66 SE8 30.36R WCI 25 TC 0
STERLING* PTCLDY 31 23 72 SE3 30.39S TC -1
SAVANNA* CLOUDY 32 22 69 S8 30.36F WCI 24 TC 0
ILZ003-004-008-010-011-017-018-220500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 28 20 71 SE5 30.39F WCI 23 TC -2
FREEPORT* CLOUDY 30 22 73 S6 30.37F WCI 24 TC -1
DE KALB* MOCLDY 26 21 80 CALM 30.39F TC -3
PERU* CLOUDY 31 24 73 SE6 30.41R WCI 25 TC 0
ILZ005-006-012>014-019>023-220500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 29 16 58 SW7 30.40F WCI 22 TC -2
CHICAGO-MIDWAY PTCLDY 29 16 58 S7 30.42F WCI 22 TC -2
AURORA MOCLDY 28 20 71 S7 30.40F WCI 21 TC -2
JOLIET* CLOUDY 31 20 63 SE5 30.42F WCI 26 TC 0
WAUKEGAN NOT AVBL
DUPAGE AIRPORT PTCLDY 27 18 69 S7 30.40F WCI 19 TC -3
KANKAKEE* MOCLDY 26 19 73 SE6 30.44F WCI 20 TC -3
WHEELING MOCLDY 28 15 58 S5 30.42F WCI 23 TC -2
MORRIS* MOCLDY 28 22 77 S3 30.41F TC -2
ROMEOVILLE* CLOUDY 28 19 69 S9 30.42F WCI 20 TC -2
LANSING* MOCLDY 26 14 59 S7 30.44S WCI 19 TC -3
NORTHERLY ISL* N/A 31 15 52 S7 N/A WCI 24 TC 0
LMZ740>746-220500-
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 31 200/ 9 N/A
CALUMET HARBOR 30 170/ 8/ 11 1029.6
BURNS HARBOR 31 180/ 7/ 9 1030.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-220500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 33 20 58 S8 30.36R WCI 26 TC 1
GALESBURG* PTCLDY 31 27 85 SE6 30.38R WCI 25 TC -1
MACOMB* PTCLDY 28 23 84 SE3 30.40R TC -2
JACKSONVILLE* PTCLDY 32 21 63 SE6 30.39S WCI 26 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-220500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 29 23 76 S6 30.41F WCI 23 TC -1
BLOOMINGTON CLEAR 28 22 78 SE9 30.41S WCI 19 TC -2
DECATUR PTCLDY 33 20 58 S12 30.40F WCI 24 TC 1
PEORIA PTCLDY 30 22 72 S7 30.39F WCI 23 TC -1
LACON* MOCLDY 29 20 69 SE3 30.40R TC -1
LINCOLN* CLEAR 29 21 70 SE3 30.41F TC -1
SPRINGFIELD PTCLDY 33 21 61 S9 30.39F WCI 25 TC 1
TAYLORVILLE PTCLDY 32 22 66 SE9 30.41F WCI 24 TC 0
ILZ033-039-045-046-055>057-062-063-220500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 24 21 88 SE8 30.41F WCI 15 TC -4
DANVILLE* CLEAR 27 20 75 E6 30.45F WCI 21 TC -3
RANTOUL* CLEAR 27 21 79 SE6 30.42F WCI 20 TC -3
MATTOON CLEAR 29 19 66 SE8 30.41F WCI 21 TC -2
PARIS* CLEAR 30 20 65 SE5 30.45F WCI 25 TC -1
ILZ079-100>102-220500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 28 19 69 E8 30.41F WCI 20 TC -2
BELLEVILLE PTCLDY 28 22 80 SE3 30.40F TC -2
CAHOKIA* PTCLDY 33 19 56 SE6 30.40F WCI 28 TC 1
SPARTA* PTCLDY 34 20 56 SE8 30.43F WCI 27 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 28 23 81 CALM 30.44F TC -2
CAIRO* MOCLDY 38 23 55 E7 30.44F WCI 33 TC 3
EFFINGHAM* PTCLDY 28 26 91 E5 30.46F WCI 23 TC -2
MARION MOCLDY 33 19 56 E5 30.44F WCI 29 TC 1
MT. VERNON PTCLDY 32 20 61 E3 30.45F TC 0
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 32 19 58 CALM 30.44S TC 0
METROPOLIS* MOCLDY 33 19 56 CALM 30.45S TC 1
ILZ067-068-072-073-078-083-087-091-220500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 27 22 81 NE5 30.47S WCI 22 TC -3
FLORA* PTCLDY 27 23 86 CALM 30.46 TC -3
FAIRFIELD* PTCLDY 32 19 57 CALM 30.45F TC 0
HARRISBURG* MOCLDY 29 21 72 CALM 30.46S TC -1
ROBINSON* CLEAR 23 23 100 CALM 30.47S TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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