518
ASUS43 KLOT 210801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM 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.
ILZ001-002-007-009-015-016-024-210900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 24 11 57 NW7 30.29R WCI 16 TC -4
STERLING* CLEAR 22 12 65 W7 30.29R WCI 13 TC -6
SAVANNA* CLEAR 21 10 60 NW6 30.29R WCI 14 TC -6
ILZ003-004-008-010-011-017-018-210900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 20 9 62 NW12 30.27R WCI 8 TC -7
FREEPORT* CLEAR 20 8 59 NW8 30.28R WCI 10 TC -7
DE KALB* CLEAR 20 11 67 NW14 30.24R WCI 7 TC -6
ILZ005-006-012>014-019>023-210900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 24 9 52 NW12G22 30.22R WCI 13 TC -4
CHICAGO-MIDWAY CLEAR 26 10 50 NW10 30.24R WCI 16 TC -3
AURORA CLEAR 22 12 65 NW18 30.23R WCI 7 TC -6
JOLIET* CLEAR 27 13 54 NW7G16 30.25R WCI 20 TC -3
WAUKEGAN CLEAR 21 7 54 NW8G20 30.21R WCI 11 TC -6
DUPAGE AIRPORT CLEAR 23 11 60 NW12G24 30.22R WCI 12 TC -5
WHEELING CLEAR 24 10 55 NW13 30.23R WCI 12 TC -4
MORRIS* CLEAR 24 18 75 NW8 30.24R WCI 15 TC -4
LANSING* CLEAR 28 6 40 NW9 30.23R WCI 19 TC -2
NORTHERLY ISL* N/A 27 13 55 NW8 N/A WCI 19 TC -3
LMZ740>746-210900-
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 27 300/ 12/ 20 N/A
CALUMET HARBOR 28 280/ 8/ 12 1022.2
BURNS HARBOR 30 330/ 10/ 13 1023.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-210900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 29 16 58 N5 30.30R WCI 24 TC -2
MACOMB* CLEAR 26 18 71 NW7 30.33R WCI 18 TC -3
ILZ028>032-037-038-041>044-048-051>054-059>061-210900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 27 18 70 NW10 30.27R WCI 17 TC -3
BLOOMINGTON CLEAR 27 18 69 NW10 30.28R WCI 17 TC -3
DECATUR PTCLDY 30 18 60 NW7 30.29R WCI 23 TC -1
PEORIA CLEAR 28 17 63 NW5 30.29R WCI 23 TC -2
LACON* CLEAR 26 15 63 NW7 30.29R WCI 18 TC -3
LINCOLN* CLEAR 30 16 56 W5 30.30R WCI 25 TC -1
SPRINGFIELD PTCLDY 30 18 60 NW5 30.30R WCI 25 TC -1
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 28 20 71 NW9 30.27R WCI 19 TC -2
DANVILLE* PTCLDY 30 20 65 W9 30.27R WCI 22 TC -1
RANTOUL* CLEAR 28 19 68 NW10 30.26R WCI 19 TC -2
MATTOON PTCLDY 29 22 75 NW10 30.26R WCI 20 TC -2
PARIS* PTCLDY 29 21 71 NW7 30.27R WCI 22 TC -1
ILZ079-100>102-210900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 29 20 68 N5 30.31R WCI 24 TC -2
CAHOKIA* PTCLDY 31 18 58 N3 30.31R TC -1
SPARTA* PTCLDY 33 20 58 N5 30.31S WCI 29 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 31 24 75 CALM 30.30R TC -1
CAIRO* PTCLDY 41 27 59 N7 30.28S TC 5
EFFINGHAM* PTCLDY 33 21 62 NW6 30.31R WCI 27 TC 0
MT. VERNON PTCLDY 34 20 56 VRB3 30.30R TC 1
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 33 20 60 NW3 30.31R TC 1
METROPOLIS* PTCLDY 39 23 53 CALM 30.29R TC 4
ILZ067-068-072-073-078-083-087-091-210900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 31 24 75 N5 30.29R WCI 26 TC -1
FLORA* PTCLDY 32 23 69 NW7 30.30R WCI 26 TC 0
FAIRFIELD* PTCLDY 35 22 59 N3 30.29R TC 1
HARRISBURG* PTCLDY 33 22 63 N5 30.31R WCI 29 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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