304
ASUS43 KLOT 210201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-210300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 32 19 58 W13 30.12R WCI 22 TC 0
STERLING* PTCLDY 29 22 75 W14 30.09R WCI 18 TC -2
SAVANNA* CLEAR 32 18 57 NW12G17 30.10R WCI 23 TC 0
ILZ003-004-008-010-011-017-018-210300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 31 14 49 W17G31 30.04R WCI 19 TC -1
FREEPORT* CLEAR 32 18 56 NW16G24 30.07R WCI 21 TC 0
DE KALB* PTCLDY 30 19 62 W12 30.02R WCI 21 TC -1
ILZ005-006-012>014-019>023-210300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 34 11 38 W18G38 29.98R WCI 23 TC 1
CHICAGO-MIDWAY MOCLDY 36 17 46 W13G25 29.99R WCI 27 TC 2
AURORA PTCLDY 30 22 72 W12 30.02R WCI 20 TC -1
JOLIET* CLEAR 35 23 61 W8 30.04R WCI 29 TC 2
WAUKEGAN CLEAR 32 13 45 W15G26 29.93R WCI 22 TC 0
DUPAGE AIRPORT PTCLDY 32 17 54 W17G26 30.00R WCI 21 TC 0
WHEELING CLEAR 33 12 41 NW16G32 29.98R WCI 23 TC 1
MORRIS* CLEAR 33 26 73 W15 30.04R WCI 23 TC 1
ROMEOVILLE* CLEAR 34 23 64 W17 30.01R WCI 23 TC 1
LANSING* CLEAR 34 18 51 W13G18 30.00R WCI 25 TC 1
NORTHERLY ISL* N/A 36 17 46 W17 N/A WCI 26 TC 2
LMZ740>746-210300-
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 37 220/ 10/ 14 N/A
CALUMET HARBOR 36 230/ 8/ 16 1014.3
BURNS HARBOR 38 250/ 11/ 14 1015.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-210300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 32 22 66 NW5 30.18R WCI 27 TC 0
MACOMB* MOCLDY 31 25 78 W10 30.19R WCI 22 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-210300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 34 24 67 W14 30.08R WCI 24 TC 1
BLOOMINGTON MOCLDY 35 20 54 W12 30.11R WCI 27 TC 2
DECATUR MOCLDY 38 23 55 NW8 30.12R WCI 32 TC 3
PEORIA MOCLDY 33 22 63 W6 30.14R WCI 28 TC 1
LACON* PTCLDY 33 21 60 W10G16 30.12R WCI 25 TC 1
LINCOLN* PTCLDY 37 21 53 W7 30.14R WCI 31 TC 3
SPRINGFIELD PTCLDY 37 23 56 W10 30.15R WCI 30 TC 3
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 34 27 75 W9 30.10R WCI 27 TC 1
DANVILLE* MOCLDY 37 27 69 W10 30.09R WCI 29 TC 3
RANTOUL* MOCLDY 34 26 71 W9 30.10R WCI 27 TC 1
MATTOON PTCLDY 37 27 67 NW10 30.11R WCI 30 TC 3
PARIS* PTCLDY 35 30 79 NW8 30.10R WCI 29 TC 2
ILZ079-100>102-210300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 41 21 45 N7 30.16R TC 5
BELLEVILLE PTCLDY 40 27 60 N3 30.15R TC 4
CAHOKIA* CLEAR 40 26 57 N7 30.16R TC 4
SPARTA* CLEAR 42 29 61 N7 30.16R TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 43 31 62 NW10 30.13R TC 6
CAIRO* MOCLDY 40 39 98 CALM 30.10R TC 4
EFFINGHAM* PTCLDY 38 31 76 NW7 30.15R WCI 33 TC 3
MT. VERNON CLEAR 43 30 60 VRB5 30.13R TC 6
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 41 30 65 N12 30.13R TC 5
METROPOLIS* PTCLDY 42 38 87 CALM 30.09R TC 5
ILZ067-068-072-073-078-083-087-091-210300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 37 29 72 NW9 30.10R WCI 30 TC 3
FLORA* CLEAR 39 30 70 NW7 30.13R WCI 34 TC 4
FAIRFIELD* CLEAR 43 30 60 NW5 30.11R TC 6
HARRISBURG* PTCLDY 44 32 62 N7 30.11R TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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