433
ASUS43 KLOT 222308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-230000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 40 27 59 SE6 29.98F TC 4
STERLING* CLOUDY 39 27 62 CALM 30.02F TC 4
SAVANNA* CLOUDY 38 27 64 SE5 30.01S WCI 34 TC 3
ILZ003-004-008-010-011-017-018-230000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 37 27 67 SE3 30.05S TC 3
FREEPORT* CLOUDY 37 28 69 SE5 30.03F WCI 34 TC 3
DE KALB* CLOUDY 37 27 68 MISG 30.03F TC 3
PERU* CLOUDY 41 30 63 S9 30.03F TC 5
ILZ005-006-012>014-019>023-230000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 44 19 36 S8 30.04S TC 7
CHICAGO-MIDWAY CLOUDY 45 20 36 S10 30.05F TC 7
AURORA CLOUDY 40 27 59 S7 30.03F TC 4
JOLIET* CLOUDY 46 26 45 S8 30.06S TC 8
WAUKEGAN CLOUDY 40 25 55 SW6 30.05S TC 4
DUPAGE AIRPORT CLOUDY 42 23 46 SE5 30.03F TC 6
KANKAKEE* CLOUDY 44 24 46 S10G16 30.07F TC 7
WHEELING CLOUDY 43 20 39 S5 30.06F TC 6
MORRIS* CLOUDY 42 31 66 S7 30.04F TC 6
ROMEOVILLE* CLOUDY 45 25 45 S12 30.06F TC 7
LANSING* CLOUDY 44 15 31 S10 30.06F TC 7
NORTHERLY ISL* N/A 44 18 35 SE6 N/A TC 7
LMZ740>746-230000-
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 44 190/ 6/ 12 N/A
CALUMET HARBOR 45 160/ 9/ 13 1017.2
BURNS HARBOR 44 160/ 8/ 13 1019.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-230000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 44 30 57 SE3 30.00S TC 7
GALESBURG* CLOUDY 40 32 73 S6 30.01S TC 5
MACOMB* CLOUDY 41 30 64 S8 30.03F TC 5
JACKSONVILLE* CLOUDY 45 30 57 SE7 30.02F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-230000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 42 29 61 S14 30.05F TC 5
BLOOMINGTON CLOUDY 41 30 65 S14 30.05F TC 5
DECATUR CLOUDY 45 28 51 S12 30.07F TC 7
PEORIA CLOUDY 43 27 53 S9 30.03F TC 6
LACON* CLOUDY 42 26 53 S7 30.03S TC 6
LINCOLN* CLOUDY 43 29 56 S7 30.05F TC 6
SPRINGFIELD CLOUDY 45 29 53 SE9 30.03F TC 7
TAYLORVILLE CLOUDY 46 31 55 SE9 30.05F TC 8
ILZ033-039-045-046-055>057-062-063-230000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 42 30 62 SE12 30.08F TC 6
DANVILLE* CLOUDY 45 27 48 S10 30.12F TC 7
RANTOUL* CLOUDY 40 30 67 SE8 30.08F TC 5
MATTOON CLOUDY 46 28 49 SE14 30.09F TC 8
PARIS* CLOUDY 43 31 62 SE9 30.13F TC 6
ILZ079-100>102-230000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 48 28 46 SE10 30.04F TC 9
BELLEVILLE MOCLDY 51 31 46 S12 30.05F TC 10
CAHOKIA* CLOUDY 52 29 41 SE14 30.04F TC 11
SPARTA* CLOUDY 49 29 46 SE9G16 30.10F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 50 38 63 S10 30.13F TC 10
CAIRO* CLOUDY 51 46 83 S7 30.18S TC 11
EFFINGHAM* CLOUDY 46 30 54 SE9 30.12F TC 8
MARION CLOUDY 52 37 58 S12 30.14F TC 11
MT. VERNON CLOUDY 51 31 46 S8 30.13S TC 11
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 50 29 43 SE7 30.11F TC 10
METROPOLIS* CLOUDY 52 46 78 CALM 30.18F TC 11
ILZ067-068-072-073-078-083-087-091-230000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 46 35 65 SE7 30.16F TC 8
FLORA* CLOUDY 45 34 65 SE7 30.14F TC 7
FAIRFIELD* CLOUDY 50 31 48 S7 30.14F TC 10
HARRISBURG* CLOUDY 53 39 59 S9 30.15F TC 11
ROBINSON* CLOUDY 48 32 53 S7 30.15F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page