238
ASUS43 KLOT 171801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CST WED DEC 17 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.
ILZ001-002-007-009-015-016-024-171900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 37 29 72 CALM 30.00F TC 3
6HR MIN TEMP: 30; 6HR MAX TEMP: 37;
STERLING* MOSUNNY 36 29 75 SW5 30.02F WCI 32 TC 2
SAVANNA* SUNNY 36 28 73 S6 30.00F WCI 31 TC 2
ILZ003-004-008-010-011-017-018-171900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 36 29 75 NW3 30.01F TC 2
6HR MIN TEMP: 28; 6HR MAX TEMP: 36;
FREEPORT* MOSUNNY 36 30 79 CALM 30.00F TC 2
DE KALB* MOSUNNY 34 30 83 CALM 30.01S TC 1
PERU* MOSUNNY 37 31 77 CALM 30.02F TC 3
ILZ005-006-012>014-019>023-171900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 39 29 67 CALM 29.99F TC 4
6HR MIN TEMP: 33; 6HR MAX TEMP: 40;
CHICAGO-MIDWAY PTSUNNY 40 30 67 CALM 30.00F TC 4
6HR MIN TEMP: 32; 6HR MAX TEMP: 41;
AURORA MOSUNNY 37 30 75 W6 30.00F WCI 32 TC 3
6HR MIN TEMP: 25; 6HR MAX TEMP: 37;
JOLIET* MOSUNNY 40 32 72 CALM 30.02S TC 4
WAUKEGAN MOSUNNY 37 29 72 SW5 29.98F WCI 33 TC 3
6HR MIN TEMP: 26; 6HR MAX TEMP: 37;
DUPAGE AIRPORT MOSUNNY 37 30 75 CALM 29.99F TC 3
6HR MIN TEMP: 32; 6HR MAX TEMP: 38;
KANKAKEE* MOSUNNY 37 32 82 W7 30.03F WCI 31 TC 3
WHEELING PTSUNNY 39 30 70 NW3 30.01S TC 4
6HR MIN TEMP: 29; 6HR MAX TEMP: 39;
MORRIS* SUNNY 36 32 85 NW5 30.01F WCI 32 TC 2
ROMEOVILLE* MOSUNNY 39 32 75 CALM 30.01F TC 4
LANSING* MOSUNNY 40 27 59 CALM 30.01F TC 5
NORTHERLY ISL* N/A 39 30 70 NE2 N/A TC 4
LMZ740>746-171900-
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 39 320/ 7/ 7 N/A
NORTHERLY ISL 41 350/ 5/ 10 N/A
CALUMET HARBOR 40 340/ 5/ 6 1015.7S
BURNS HARBOR 36 280/ 4/ 5 1016.9F
MICHIGAN CITY 36 240/ 10/ 10 1016.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-171900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 44 33 65 VRB6 30.00F TC 7
GALESBURG* PTSUNNY 37 34 91 N3 30.02F TC 3
MACOMB* PTSUNNY 36 32 84 CALM 30.03F TC 2
JACKSONVILLE* PTSUNNY 43 32 66 E3 30.02F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-171900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 37 31 79 NW6 30.02F WCI 33 TC 3
BLOOMINGTON PTSUNNY 39 31 72 N7 30.02F WCI 34 TC 4
DECATUR MOSUNNY 44 33 65 NW3 30.03R TC 7
PEORIA PTSUNNY 40 30 67 NE3 30.02F TC 4
6HR MIN TEMP: 31; 6HR MAX TEMP: 40;
LINCOLN* PTSUNNY 41 29 63 N5 30.03F TC 5
SPRINGFIELD PTSUNNY 42 32 67 N5 30.03F TC 6
6HR MIN TEMP: 31; 6HR MAX TEMP: 44;
TAYLORVILLE MOSUNNY 44 35 71 CALM 30.04S TC 7
6HR MIN TEMP: 34; 6HR MAX TEMP: 45;
ILZ033-039-045-046-055>057-062-063-171900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 36 32 85 SW3 30.04S TC 2
DANVILLE* SUNNY 44 32 63 W3 30.05R TC 7
RANTOUL* MOSUNNY 39 31 75 N7 30.03S WCI 34 TC 4
MATTOON SUNNY 45 32 60 CALM 30.01F TC 7
PARIS* SUNNY 42 32 66 SW8 30.04S TC 6
ILZ079-100>102-171900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 54 36 50 VRB5 30.02F TC 12
BELLEVILLE MOSUNNY 41 28 60 S5 30.01F TC 5
CAHOKIA* MOSUNNY 53 35 50 VRB6 30.02F TC 12
SPARTA* SUNNY 53 33 47 CALM 30.04F TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 55 34 45 W6 30.05F TC 13
6HR MIN TEMP: 35; 6HR MAX TEMP: 55;
CAIRO* SUNNY 56 37 48 CALM 30.06F TC 13
EFFINGHAM* SUNNY 50 34 53 E3 30.04F TC 10
MARION MOSUNNY 54 34 47 SW5 30.05F TC 12
MT. VERNON SUNNY N/A N/A N/A SW5 30.04F
SALEM* SUNNY 54 35 48 SE6 30.03F TC 12
METROPOLIS* SUNNY 56 33 42 CALM 30.06F TC 13
ILZ067-068-072-073-078-083-087-091-171900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 51 33 50 SW3 30.05F TC 11
FLORA* SUNNY 54 34 47 SW5 30.04F TC 12
FAIRFIELD* SUNNY 53 32 45 S6 30.05F TC 12
HARRISBURG* SUNNY 56 31 38 W3 30.05F TC 13
ROBINSON* SUNNY 48 36 61 CALM 30.04F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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