832
ASUS43 KLOT 180901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CST THU DEC 18 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 44 38 79 S10G20 29.54S TC 7
STERLING* MOCLDY 40 38 93 VRB7 29.59F TC 4
SAVANNA* CLOUDY 38 33 85 S12 29.57S WCI 30 TC 3
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 39 34 82 S13G21 29.61F WCI 31 TC 4
FREEPORT* CLOUDY 38 35 89 S17 29.59S WCI 29 TC 4
DE KALB* CLOUDY 37 34 90 S16G23 29.63F WCI 27 TC 3
PERU* CLOUDY 41 40 95 S18 29.61F FOG TC 5
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 45 37 73 S18G30 29.63F TC 7
CHICAGO-MIDWAY CLOUDY 45 38 76 S21G29 29.65F TC 7
AURORA CLOUDY 40 36 86 S15 29.63F TC 4
JOLIET* CLOUDY 45 40 81 S14G23 29.66F TC 7
WAUKEGAN CLOUDY 42 35 76 S14 29.62F TC 6
DUPAGE AIRPORT CLOUDY 41 38 89 S18G28 29.62F TC 5
KANKAKEE* CLOUDY 44 38 81 S18G26 29.69F TC 7
WHEELING CLOUDY 44 38 79 S16G28 29.64F TC 7
MORRIS* CLOUDY 41 38 88 S18G24 29.63F TC 5
ROMEOVILLE* CLOUDY 43 39 87 S24G32 29.65F TC 6
LANSING* CLOUDY 42 33 72 S17G23 29.69F TC 6
NORTHERLY ISL* N/A 44 37 76 S20 N/A TC 7
LMZ740>746-181000-
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)
HARRISON CRIB 44 190/ 25/ 27 N/A
NORTHERLY ISL 44 200/ 14/ 14 N/A
CALUMET HARBOR 45 160/ 16/ 20 1004.8
BURNS HARBOR 45 180/ 10/ 15 1006.4F
MICHIGAN CITY 45 180/ 16/ 20 1005.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 51 47 86 S16G28 29.55F TC 11
GALESBURG* CLOUDY 40 40 100 S10 29.57F TC 5
MACOMB* CLOUDY 42 39 91 S17 29.58S TC 5
JACKSONVILLE* CLOUDY 49 49 99 S17G31 29.62F TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 41 39 92 S22G29 29.65F TC 5
BLOOMINGTON FOG 40 40 100 S20 29.67S VSB 1/4 TC 4
DECATUR CLOUDY 45 45 100 S18G28 29.70F FOG TC 7
PEORIA CLOUDY 42 42 100 S14 29.61F FOG TC 6
LACON* CLOUDY 45 42 90 S14G25 29.61F FOG TC 7
LINCOLN* DRZL/FOG 44 42 93 S16 29.66F VSB 1/2 TC 6
SPRINGFIELD CLOUDY 48 47 96 S23G33 29.65F TC 9
TAYLORVILLE CLOUDY 49 48 95 S20G29 29.69F TC 9
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 40 40 100 S20 29.72F TC 4
DANVILLE* CLOUDY 46 40 77 S16G23 29.76F TC 8
RANTOUL* CLOUDY 37 35 92 S16 29.72F WCI 28 TC 3
MATTOON CLOUDY 49 45 86 S15G31 29.75F TC 9
PARIS* CLOUDY 42 37 82 S14 29.78F TC 5
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 52 49 89 S16G22 29.69F TC 11
BELLEVILLE CLOUDY 53 50 89 S22G30 29.71F TC 12
CAHOKIA* CLOUDY 54 50 86 S12G23 29.71F TC 12
SPARTA* CLOUDY 51 50 93 S17 29.77F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 52 47 83 S17 29.81F TC 11
CAIRO* CLOUDY 54 45 72 S12 29.84F TC 12
EFFINGHAM* CLOUDY 51 48 90 S13G22 29.79F TC 11
MARION CLOUDY 51 46 80 S14G21 29.83F TC 11
MT. VERNON CLOUDY N/A N/A N/A S16G23 29.80F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 53 47 80 S17G23 29.77F TC 12
METROPOLIS* CLOUDY 54 41 61 CALM 29.87F TC 12
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 48 41 76 S13 29.84F TC 9
FLORA* CLOUDY 52 46 82 S16 29.80F TC 11
FAIRFIELD* CLOUDY 51 44 76 S10 29.82F TC 11
HARRISBURG* CLOUDY 54 43 67 S13 29.84F TC 12
ROBINSON* CLOUDY 50 45 81 S16G23 29.81F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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