412
ASUS43 KLOT 130812
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CST SAT DEC 13 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.
ILZ001-002-007-009-015-016-024-130900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 12 0 58 NW17G26 30.21R WCI -5 TC -11
STERLING* MOCLDY 12 1 61 W16 30.17R WCI -5 TC -11
SAVANNA* MOCLDY 8 -2 62 W9 30.19R WCI -5 TC -13
ILZ003-004-008-010-011-017-018-130900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 11 1 64 W12 30.14R WCI -3 TC -12
FREEPORT* MOCLDY 9 -3 59 NW21G26 30.15R WCI -11 TC -13
DE KALB* MOCLDY 13 3 64 NW20G26 30.09R WCI -5 TC -10
PERU* CLOUDY 17 8 66 W14G23 30.15R WCI 3 TC -8
ILZ005-006-012>014-019>023-130900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 19 7 59 NW17G30 30.05R WCI 4 TC -7
CHICAGO-MIDWAY CLOUDY 23 14 68 W15 30.07R WCI 10 TC -5
AURORA MOCLDY 16 10 77 NW18 30.09R WCI 0 TC -9
JOLIET* MOCLDY 22 14 70 W8G21 30.11R WCI 13 TC -5
WAUKEGAN PTCLDY 16 9 74 W13G25 30.04R WCI 2 TC -9
DUPAGE AIRPORT MOCLDY 17 8 67 W20G29 30.07R WCI 1 TC -8
WHEELING MOCLDY 18 9 68 MISG 30.07R TC -8
MORRIS* MOCLDY 20 12 72 NW17 30.11R WCI 5 TC -7
ROMEOVILLE* MOCLDY 19 12 73 W16G23 30.10R WCI 5 TC -7
LANSING* CLOUDY 25 16 68 W13G22 30.06R WCI 14 TC -4
NORTHERLY ISL* N/A 24 17 74 W12 N/A WCI 13 TC -4
LMZ740>746-130900-
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 25 280/ 25/ 27 N/A
NORTHERLY ISL 26 310/ 10/ 17 N/A
CALUMET HARBOR 26 240/ 8/ 19 1016.8
BURNS HARBOR 29 270/ 12/ 15 1017.6R
MICHIGAN CITY 29 260/ 28/ 31 1016.8R
ILZ025>027-034>036-040-047-049-050-058-095>099-130900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 23 19 85 NW15 30.20S WCI 10 TC -5
GALESBURG* MOCLDY 16 14 94 NW13 30.20R WCI 2 TC -9
MACOMB* MOCLDY 18 13 82 NW12 30.22S WCI 5 TC -8
JACKSONVILLE* CLOUDY 27 23 86 NW10 30.19R WCI 17 TC -3
ILZ028>032-037-038-041>044-048-051>054-059>061-130900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 24 18 78 NW17G23 30.13R WCI 10 TC -5
BLOOMINGTON CLOUDY 25 22 88 W12 30.13R WCI 14 TC -4
DECATUR CLOUDY 28 24 85 W13G23 30.16R WCI 17 TC -2
PEORIA CLOUDY 21 16 81 NW10G20 30.18R WCI 10 TC -6
LINCOLN* CLOUDY 28 20 74 W6 30.18R WCI 21 TC -2
SPRINGFIELD CLOUDY 27 23 85 NW9 30.18R WCI 18 TC -3
TAYLORVILLE CLOUDY 30 26 85 NW10 30.18R WCI 21 TC -1
ILZ033-039-045-046-055>057-062-063-130900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 27 25 92 W16 30.13R FOG WCI 15
DANVILLE* CLOUDY 29 25 84 W15 30.13R WCI 18 TC -2
RANTOUL* CLOUDY 27 24 88 W16 30.12R FOG WCI 15
MATTOON CLOUDY 29 26 89 W7 30.14S WCI 22 TC -2
PARIS* CLOUDY 29 26 88 W15 30.15R WCI 18 TC -1
ILZ079-100>102-130900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 34 30 86 W6 30.19R WCI 29 TC 1
BELLEVILLE CLOUDY 35 30 82 W7 30.17F WCI 29 TC 2
CAHOKIA* CLOUDY 34 29 82 NW7 30.19 WCI 28 TC 1
SPARTA* CLOUDY 33 31 91 CALM 30.19F TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-130900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 34 30 85 N7 30.21R WCI 28 TC 1
CAIRO* CLOUDY 34 32 92 CALM 30.21R TC 1
EFFINGHAM* CLOUDY 31 29 94 W5 30.18F WCI 26 TC -1
MT. VERNON CLOUDY N/A N/A N/A CALM 30.20R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 34 31 89 CALM 30.17F TC 1
METROPOLIS* CLOUDY 33 32 96 CALM 30.22R TC 1
ILZ067-068-072-073-078-083-087-091-130900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 31 27 85 W12 30.19R WCI 22 TC -1
FLORA* CLOUDY 32 30 93 NW8 30.19S WCI 25 TC 0
FAIRFIELD* CLOUDY 31 28 90 CALM 30.20S TC 0
HARRISBURG* CLOUDY 34 30 85 NW5 30.20F WCI 30 TC 1
ROBINSON* CLOUDY 30 28 93 W13 30.17S WCI 20 TC -1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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