047
ASUS43 KLOT 222001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CST MON DEC 22 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.
ILZ001-002-007-009-015-016-024-222100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 42 23 46 S6 30.03F TC 6
STERLING* CLOUDY 40 25 55 SE5 30.07F TC 4
SAVANNA* CLOUDY 40 23 51 S8 30.05F TC 4
ILZ003-004-008-010-011-017-018-222100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 24 57 SE8 30.09F WCI 32 TC 3
FREEPORT* CLOUDY 38 25 58 S7 30.07F WCI 33 TC 4
DE KALB* CLOUDY 37 26 66 MISG 30.09F TC 3
ILZ005-006-012>014-019>023-222100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 42 17 36 S12G20 30.11F TC 6
CHICAGO-MIDWAY CLOUDY 44 17 33 S8 30.13F TC 7
AURORA CLOUDY 39 25 57 S7 30.10F WCI 34 TC 4
JOLIET* CLOUDY 44 22 42 S8 30.13F TC 7
WAUKEGAN CLOUDY 39 24 55 S7 30.09F WCI 34 TC 4
DUPAGE AIRPORT CLOUDY 42 19 39 S8 30.10F TC 6
KANKAKEE* CLOUDY 45 21 38 CALM 30.16R TC 7
WHEELING CLOUDY 43 16 33 S15 30.12F TC 6
MORRIS* CLOUDY 41 27 56 S10 30.11F TC 5
ROMEOVILLE* CLOUDY 43 23 45 SE7 30.15F TC 6
LANSING* CLOUDY 42 15 33 S9 30.16F TC 6
NORTHERLY ISL* N/A 43 16 33 S7 N/A TC 6
LMZ740>746-222100-
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 43 200/ 6/ 11 N/A
CALUMET HARBOR 43 150/ 7/ 10 1020.5F
BURNS HARBOR 45 170/ 8/ 14 1021.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-222100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 47 28 47 S9 30.04F TC 8
GALESBURG* CLOUDY 42 30 63 S8 30.06F TC 6
MACOMB* CLOUDY 41 27 56 S10 30.08F TC 5
JACKSONVILLE* CLOUDY 45 25 46 S9 30.09F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-222100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 42 27 55 SE6 30.12F TC 5
BLOOMINGTON CLOUDY 45 27 49 S12 30.12F TC 7
DECATUR CLOUDY 46 25 43 S14 30.13F TC 8
PEORIA CLOUDY 42 25 50 S10 30.09F TC 6
LACON* CLOUDY 43 22 43 S8 30.08F TC 6
LINCOLN* CLOUDY 45 24 43 S9 30.12F TC 7
SPRINGFIELD CLOUDY 45 27 49 S12 30.11F TC 7
TAYLORVILLE CLOUDY 45 27 49 S12 30.13F TC 7
ILZ033-039-045-046-055>057-062-063-222100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 44 27 51 S12 30.15F TC 7
DANVILLE* PTSUNNY 47 23 37 SE13 30.16F TC 9
RANTOUL* CLOUDY 43 29 57 S13 30.14F TC 6
MATTOON CLOUDY 45 26 47 S12 30.15F TC 7
PARIS* CLOUDY 44 29 55 SE8 30.17F TC 7
ILZ079-100>102-222100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 52 28 40 S10 30.12F TC 11
BELLEVILLE CLOUDY 53 23 31 S13 30.11F TC 11
CAHOKIA* CLOUDY 53 30 41 S8 30.11F TC 12
SPARTA* CLOUDY 49 22 34 S9G17 30.16F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-222100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 52 27 38 S9 30.18F TC 11
CAIRO* CLOUDY 52 34 49 SE7 30.19F TC 11
EFFINGHAM* CLOUDY 48 24 39 SE10 30.19F TC 9
MARION CLOUDY 52 27 37 S12 30.19F TC 11
MT. VERNON CLOUDY 51 25 36 S7 30.17F TC 11
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 52 23 32 S8G16 30.15F TC 11
METROPOLIS* CLOUDY 54 32 43 CALM 30.22F TC 12
ILZ067-068-072-073-078-083-087-091-222100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 50 32 50 S9 30.20F TC 10
FLORA* CLOUDY 50 28 43 S9 30.19F TC 10
FAIRFIELD* CLOUDY 49 26 39 S7 30.20F TC 10
HARRISBURG* CLOUDY 53 27 36 S3 30.20F TC 12
ROBINSON* CLOUDY 52 28 40 S6 30.19S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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