281
ASUS43 KLOT 221701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-221800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 41 19 41 S12G21 30.15S TC 5
STERLING* CLOUDY 39 21 48 VRB6 30.18F WCI 35 TC 4
SAVANNA* CLOUDY 37 24 59 SE7 30.17F WCI 31 TC 3
ILZ003-004-008-010-011-017-018-221800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 37 22 54 S8 30.21F WCI 31 TC 3
FREEPORT* CLOUDY 37 24 60 S6 30.20F WCI 32 TC 3
DE KALB* CLOUDY 35 24 63 S15 30.20F WCI 26 TC 2
ILZ005-006-012>014-019>023-221800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 42 14 32 S12 30.22F TC 6
CHICAGO-MIDWAY CLOUDY 42 16 34 S14G23 30.24F TC 6
AURORA PTSUNNY 38 22 52 S12 30.22F WCI 30 TC 3
JOLIET* PTSUNNY 43 21 41 S8 30.25F TC 6
WAUKEGAN CLOUDY 40 17 39 S8 30.22F TC 4
DUPAGE AIRPORT PTSUNNY 39 19 44 S10G21 30.21F WCI 32 TC 4
WHEELING PTSUNNY 41 17 38 S8 30.24F TC 5
MORRIS* PTSUNNY 39 26 58 S10 30.23F WCI 32 TC 4
ROMEOVILLE* SUNNY 39 21 48 S12 30.25F WCI 32 TC 4
LANSING* MOSUNNY 40 14 34 S13 30.26F TC 5
NORTHERLY ISL* N/A 42 15 33 S9 N/A TC 6
LMZ740>746-221800-
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 42 180/ 11/ 15 N/A
CALUMET HARBOR 41 150/ 10/ 16 1023.9F
BURNS HARBOR 42 180/ 7/ 12 1025.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-221800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 42 21 43 S7 30.16F TC 6
GALESBURG* CLOUDY 37 28 68 S10 30.17F WCI 30 TC 3
MACOMB* CLOUDY 38 23 55 S9 30.19F WCI 32 TC 4
JACKSONVILLE* CLOUDY 42 20 42 S10 30.19F TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-221800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 38 23 53 S18 30.22F WCI 29 TC 4
BLOOMINGTON PTSUNNY 42 23 46 S17G23 30.22F TC 6
DECATUR PTSUNNY 43 20 39 SE15 30.24F TC 6
PEORIA CLOUDY 38 23 55 S13 30.20F WCI 30 TC 3
LACON* CLOUDY 40 19 41 S9 30.20F TC 5
LINCOLN* CLOUDY 41 18 39 S12 30.24F TC 5
SPRINGFIELD CLOUDY 40 23 50 S14 30.22F TC 4
TAYLORVILLE MOSUNNY 42 25 50 SE13 30.22F TC 6
ILZ033-039-045-046-055>057-062-063-221800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 37 25 61 SE10 30.27F WCI 30 TC 3
DANVILLE* PTSUNNY 40 24 52 S8 30.29F TC 4
RANTOUL* PTSUNNY 37 24 59 S14 30.26F WCI 29 TC 3
MATTOON PTSUNNY 42 21 43 SE15G22 30.27F TC 6
PARIS* PTSUNNY 37 25 62 SE8 30.31F WCI 31 TC 3
ILZ079-100>102-221800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 43 23 45 SE8 30.24F TC 6
BELLEVILLE MOSUNNY 48 23 38 S9 30.23F TC 9
SPARTA* SUNNY 47 21 36 S10 30.26F TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 47 25 42 S6 30.28F TC 8
CAIRO* CLOUDY 48 26 40 CALM 30.30F TC 9
EFFINGHAM* MOSUNNY 43 23 45 SE9 30.31F TC 6
MARION CLOUDY 50 18 27 S10 30.29F TC 10
MT. VERNON MOSUNNY 48 22 35 S7 30.29F TC 9
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTSUNNY 48 21 34 SE8 30.27F TC 9
METROPOLIS* CLOUDY 50 22 32 CALM 30.32F TC 10
ILZ067-068-072-073-078-083-087-091-221800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 45 24 43 SE9 30.33F TC 7
FAIRFIELD* SUNNY 45 21 38 SE7 30.32F TC 7
HARRISBURG* SUNNY 47 26 42 CALM 30.30F TC 9
ROBINSON* PTSUNNY 41 25 52 SE9 30.31F TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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