616
ASUS43 KLOT 230310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-230400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 34 27 75 CALM 29.98R TC 1
STERLING* MOCLDY 40 30 67 CALM 30.00F TC 4
SAVANNA* PTCLDY 34 28 79 S3 29.99F TC 1
ILZ003-004-008-010-011-017-018-230400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 29 70 E3 30.02S TC 3
FREEPORT* CLOUDY 38 32 79 S7 30.01S WCI 32 TC 3
DE KALB* CLOUDY 37 31 79 MISG 30.02S TC 3
PERU* CLOUDY 41 31 69 S7 30.02S TC 5
ILZ005-006-012>014-019>023-230400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 27 53 S7 30.01S TC 6
CHICAGO-MIDWAY CLOUDY 44 25 47 S8 30.03S TC 7
AURORA CLOUDY 39 30 70 S6 30.01S WCI 35 TC 4
JOLIET* CLOUDY 44 29 56 CALM 30.05R TC 7
WAUKEGAN CLOUDY 41 26 55 SW9 30.00F TC 5
DUPAGE AIRPORT CLOUDY 42 28 57 S8 30.01S TC 6
KANKAKEE* CLOUDY 43 30 59 S6 30.05S TC 6
WHEELING CLOUDY 42 29 59 S7 30.03S TC 6
MORRIS* CLOUDY 40 32 71 S3 30.02F TC 5
ROMEOVILLE* CLOUDY 41 28 60 S9 30.04S TC 5
LANSING* CLOUDY 42 22 45 S6 30.04S TC 5
NORTHERLY ISL* N/A 44 23 43 S7 N/A TC 7
LMZ740>746-230400-
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)
CALUMET HARBOR 44 180/ 6/ 9 1016.5S
BURNS HARBOR 44 180/ 4/ 9 1017.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-230400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 39 29 67 SE6 30.00S WCI 35 TC 4
GALESBURG* PTCLDY 36 33 87 SE5 30.00F WCI 32 TC 2
MACOMB* PTCLDY 34 30 84 CALM 30.03S TC 1
JACKSONVILLE* CLEAR 42 30 62 S8 30.02F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-230400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 41 31 66 S7 30.02F TC 5
BLOOMINGTON MOCLDY 41 32 70 S9 30.04R TC 5
DECATUR CLOUDY 46 34 62 SW15 30.05R TC 8
PEORIA PTCLDY 39 30 70 S3 30.02F TC 4
LACON* CLOUDY 43 28 53 CALM 30.03R TC 6
LINCOLN* CLOUDY 43 30 60 S9 30.04R TC 6
SPRINGFIELD CLEAR 44 32 62 S13 30.03S TC 7
TAYLORVILLE MOCLDY 45 36 70 S14 30.07R TC 7
ILZ033-039-045-046-055>057-062-063-230400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 44 35 70 S12 30.05R TC 7
DANVILLE* CLOUDY 47 34 59 S12 30.05S TC 9
RANTOUL* CLOUDY 41 33 73 S5 30.06R TC 5
MATTOON CLOUDY 47 36 65 S12 30.06R TC 8
PARIS* CLOUDY 47 38 70 S16 30.06S TC 9
ILZ079-100>102-230400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 45 34 65 S12 30.07 TC 7
BELLEVILLE CLEAR 46 39 77 SW7 30.07R TC 8
CAHOKIA* CLEAR 43 33 68 S5 30.08R TC 6
SPARTA* CLOUDY 49 46 90 S10G17 30.10F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 52 49 89 SW6 30.12R TC 11
CAIRO* CLOUDY 55 52 89 S8 30.14S TC 13
EFFINGHAM* CLOUDY 49 40 69 S8 30.09S TC 10
MARION CLOUDY 51 49 95 SW6 30.13R TC 11
MT. VERNON CLOUDY 50 47 89 SW13 30.11R TC 10
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 51 44 77 SW12 30.10R TC 11
METROPOLIS* CLOUDY 55 50 84 S8G17 30.14R TC 13
ILZ067-068-072-073-078-083-087-091-230400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 52 47 83 S16 30.09F TC 11
FLORA* CLOUDY 50 46 87 S10 30.09F TC 10
FAIRFIELD* CLOUDY 51 47 87 S8 30.10R TC 10
HARRISBURG* CLOUDY 53 48 83 SW10G21 30.12R TC 12
ROBINSON* CLOUDY 50 48 93 S14 30.08S TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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