987
ASUS43 KLOT 172010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-172100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 39 29 67 CALM 29.94F TC 4
STERLING* SUNNY 36 30 79 E3 29.97F TC 2
SAVANNA* SUNNY 37 28 72 S5 29.96F WCI 33 TC 3
ILZ003-004-008-010-011-017-018-172100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 36 29 75 S6 29.97F WCI 31 TC 2
FREEPORT* SUNNY 35 31 85 S5 29.98S WCI 30 TC 1
DE KALB* SUNNY 34 30 86 CALM 29.97F TC 1
PERU* SUNNY 38 32 79 NE5 29.97F WCI 34 TC 3
ILZ005-006-012>014-019>023-172100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 42 29 59 CALM 29.97F TC 6
CHICAGO-MIDWAY MOSUNNY 42 30 62 CALM 29.99F TC 6
AURORA SUNNY 45 30 55 CALM 29.97F TC 7
JOLIET* SUNNY 41 32 69 CALM 29.99F TC 5
WAUKEGAN SUNNY 38 30 73 VRB6 29.97S WCI 33 TC 3
DUPAGE AIRPORT SUNNY 39 30 70 SE5 29.96F TC 4
KANKAKEE* MOSUNNY 39 32 76 S3 30.01F TC 4
WHEELING SUNNY 41 30 65 S6 29.99F TC 5
MORRIS* SUNNY 37 32 82 CALM 29.98F TC 3
ROMEOVILLE* SUNNY 41 32 70 CALM 29.99F TC 5
LANSING* MOSUNNY 43 27 54 CALM 29.99F TC 6
NORTHERLY ISL* N/A 38 29 70 NE5 N/A WCI 34 TC 3
LMZ740>746-172100-
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 50/ 5/ 5 N/A
NORTHERLY ISL 38 80/ 3/ 5 N/A
CALUMET HARBOR 39 50/ 3/ 6 1015.2F
BURNS HARBOR 37 CALM 1016.6F
MICHIGAN CITY 38 270/ 3/ 4 1016.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-172100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 46 34 62 SE6 29.95F TC 8
GALESBURG* SUNNY 38 35 86 S7 29.97F WCI 33 TC 4
MACOMB* SUNNY 38 31 75 CALM 29.99F TC 4
JACKSONVILLE* SUNNY 43 32 65 E5 29.99F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-172100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 39 32 77 SE5 29.99F TC 4
BLOOMINGTON SUNNY 38 32 79 E6 29.99F WCI 33 TC 3
DECATUR SUNNY 40 33 76 SE8 29.99F TC 4
PEORIA SUNNY 41 31 67 S8 29.98F TC 5
LINCOLN* SUNNY 41 30 65 CALM 30.00F TC 5
SPRINGFIELD SUNNY 44 32 62 CALM 29.99F TC 7
TAYLORVILLE MOSUNNY 44 36 73 NE6 30.00F TC 6
ILZ033-039-045-046-055>057-062-063-172100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 37 33 85 S5 30.00F WCI 33 TC 3
DANVILLE* MOSUNNY 44 34 68 E5 30.01F TC 6
RANTOUL* SUNNY 38 32 81 CALM 30.00F TC 3
MATTOON PTSUNNY 44 34 67 CALM 30.01S TC 7
PARIS* PTSUNNY 37 32 81 S3 30.04R TC 3
ILZ079-100>102-172100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 54 36 50 SW5 29.99F TC 12
BELLEVILLE PTSUNNY 52 34 50 SW2 29.98F TC 11
CAHOKIA* MOSUNNY 55 36 48 W3 29.99F TC 13
SPARTA* PTSUNNY 57 36 45 SE5 30.00F TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 59 37 44 S13 30.00F TC 15
CAIRO* CLOUDY 58 38 46 S9 30.04F TC 15
EFFINGHAM* CLOUDY 51 36 56 CALM 30.03R TC 11
MARION MOSUNNY 59 37 44 S12 30.01F TC 15
MT. VERNON PTSUNNY N/A N/A N/A S9 30.01F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 56 35 45 CALM 30.00F TC 13
METROPOLIS* PTSUNNY 58 36 44 CALM 30.04S TC 14
ILZ067-068-072-073-078-083-087-091-172100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 54 35 48 S3 30.02F TC 12
FLORA* PTSUNNY 55 36 47 S7 30.01F TC 13
FAIRFIELD* MOSUNNY 56 35 44 SW3 30.01F TC 14
HARRISBURG* SUNNY 60 33 35 SW5 30.02F TC 16
ROBINSON* PTSUNNY 52 37 58 SE3 30.02S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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