034
ASUS43 KLOT 171901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-172000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 38 29 70 CALM 29.96F TC 3
STERLING* MOSUNNY 36 29 75 SW5 30.00F WCI 32 TC 2
SAVANNA* SUNNY 36 28 73 S5 29.98F WCI 32 TC 2
ILZ003-004-008-010-011-017-018-172000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 36 29 75 S5 29.98F WCI 32 TC 2
FREEPORT* SUNNY 35 30 81 CALM 29.99F TC 2
DE KALB* MOSUNNY 35 30 83 CALM 29.99F TC 2
PERU* MOSUNNY 38 31 75 N5 29.99F WCI 35 TC 4
ILZ005-006-012>014-019>023-172000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 41 30 65 VRB3 29.99S TC 5
CHICAGO-MIDWAY PTSUNNY 41 30 65 CALM 30.00S TC 5
AURORA MOSUNNY 39 30 70 CALM 29.98F TC 4
JOLIET* MOSUNNY 40 32 74 CALM 30.00F TC 4
WAUKEGAN MOSUNNY 38 29 70 CALM 29.97F TC 3
DUPAGE AIRPORT MOSUNNY 38 30 73 CALM 29.98F TC 3
WHEELING MOSUNNY 40 30 67 CALM 30.00F TC 4
MORRIS* MOSUNNY 37 32 82 CALM 30.00F TC 3
ROMEOVILLE* MOSUNNY 41 32 70 CALM 30.01S TC 5
LANSING* MOSUNNY 41 27 58 CALM 30.01S TC 5
NORTHERLY ISL* N/A 39 29 67 E3 N/A TC 4
LMZ740>746-172000-
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 40 350/ 1/ 1 N/A
NORTHERLY ISL 39 40/ 3/ 6 N/A
CALUMET HARBOR 39 50/ 5 1015.6
BURNS HARBOR 37 280/ 4/ 4 1017.3R
MICHIGAN CITY 36 240/ 10/ 10 1016.4S
ILZ025>027-034>036-040-047-049-050-058-095>099-172000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 42 31 64 CALM 29.99F TC 6
MACOMB* MOSUNNY 38 31 76 CALM 30.02F TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-172000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 38 31 77 CALM 30.00F TC 3
BLOOMINGTON PTSUNNY 39 32 76 E5 30.01F TC 4
DECATUR PTSUNNY 41 34 76 N7 30.02F TC 5
PEORIA PTSUNNY 41 30 65 CALM 30.00F TC 5
LINCOLN* PTSUNNY 40 30 65 CALM 30.02S TC 5
SPRINGFIELD PTSUNNY 42 32 67 NE7 30.01F TC 6
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-172000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 37 33 85 SW3 30.02F TC 3
DANVILLE* PTSUNNY 43 32 65 CALM 30.03F TC 6
RANTOUL* PTSUNNY 39 32 76 CALM 30.01F TC 4
MATTOON MOSUNNY 44 33 65 CALM 30.01S TC 7
PARIS* MOSUNNY 41 32 70 W6 30.04S TC 5
ILZ079-100>102-172000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 54 36 50 VRB5 30.01F TC 12
BELLEVILLE PTSUNNY 50 34 53 S5 29.99F TC 10
CAHOKIA* PTSUNNY 55 36 48 CALM 30.01F TC 13
SPARTA* MOSUNNY 55 35 46 SE7 30.01F TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 56 34 43 CALM 30.02F TC 13
CAIRO* SUNNY 58 37 45 SW6 30.05S TC 15
EFFINGHAM* MOSUNNY 51 35 53 CALM 30.03F TC 11
MARION MOSUNNY 57 36 44 SW6 30.02F TC 14
MT. VERNON MOSUNNY N/A N/A N/A SW5 30.02F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 56 34 44 CALM 30.02S TC 13
METROPOLIS* MOSUNNY 58 35 41 CALM 30.04F TC 14
ILZ067-068-072-073-078-083-087-091-172000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 53 35 50 SE5 30.03F TC 12
FLORA* MOSUNNY 55 36 47 SW6 30.03F TC 13
FAIRFIELD* MOSUNNY 54 34 45 S6 30.03F TC 12
HARRISBURG* SUNNY 57 31 37 CALM 30.03F TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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