055
ASUS43 KLOT 202110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CST SAT DEC 20 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.
ILZ001-002-007-009-015-016-024-202200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 38 23 55 W14 29.94R WCI 30 TC 3
STERLING* PTSUNNY 38 27 64 W14 29.89R WCI 30 TC 3
SAVANNA* MOSUNNY 38 19 46 W9 29.89R WCI 32 TC 4
ILZ003-004-008-010-011-017-018-202200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 39 21 48 W13G21 29.85R WCI 31 TC 4
FREEPORT* MOSUNNY 40 19 43 W15 29.86R TC 5
DE KALB* PTSUNNY 38 26 63 W7G17 29.84R WCI 32 TC 3
PERU* PTSUNNY 40 29 64 W12G18 29.89R TC 4
ILZ005-006-012>014-019>023-202200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 40 26 57 W10 29.81R TC 4
CHICAGO-MIDWAY PTSUNNY 40 26 57 W9 29.82R TC 4
AURORA PTSUNNY 38 30 73 W12 29.83R WCI 30 TC 3
JOLIET* PTSUNNY 40 30 66 W7 29.86R TC 5
WAUKEGAN PTSUNNY 40 22 48 W12 29.76R TC 4
DUPAGE AIRPORT PTSUNNY 39 28 64 W10 29.82R WCI 32 TC 4
KANKAKEE* CLOUDY 40 29 65 W9 29.87R TC 4
WHEELING PTSUNNY 40 27 59 W8 29.81R TC 4
MORRIS* PTSUNNY 38 32 77 W10 29.86R WCI 32 TC 4
ROMEOVILLE* MOSUNNY 39 28 65 W9 29.84R WCI 33 TC 4
LANSING* CLOUDY 39 22 50 W8 29.84R WCI 34 TC 4
NORTHERLY ISL* N/A 39 25 57 W7 N/A WCI 34 TC 4
LMZ740>746-202200-
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)
NORTHERLY ISL 39 260/ 10/ 15 N/A
CALUMET HARBOR 40 260/ 5/ 9 1008.8R
BURNS HARBOR 38 260/ 6/ 7 1009.8R
ILZ025>027-034>036-040-047-049-050-058-095>099-202200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 43 25 49 N13 29.97R TC 6
GALESBURG* PTSUNNY 38 30 72 W8 29.96R WCI 33 TC 4
MACOMB* PTSUNNY 40 28 63 NW10 29.98R TC 4
JACKSONVILLE* PTSUNNY 44 30 57 NW14 29.93R TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-202200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 39 29 67 NW10 29.88R WCI 32 TC 4
BLOOMINGTON PTSUNNY 42 29 59 NW13 29.90R TC 6
DECATUR PTSUNNY 45 28 51 NW10 29.89R TC 7
PEORIA PTSUNNY 42 27 55 NW8 29.93R TC 6
LACON* PTSUNNY 40 27 59 W8 29.91R TC 4
LINCOLN* PTSUNNY 44 27 52 NW8 29.91R TC 7
SPRINGFIELD PTSUNNY 45 29 53 N15G28 29.92R TC 7
TAYLORVILLE PTSUNNY 46 33 60 W6 29.91R TC 8
ILZ033-039-045-046-055>057-062-063-202200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 43 31 62 W13 29.88R TC 6
DANVILLE* PTSUNNY 45 32 60 W13 29.88R TC 7
RANTOUL* PTSUNNY 42 31 66 W10 29.88R TC 6
MATTOON PTSUNNY 46 32 58 W12 29.88R TC 8
PARIS* PTSUNNY 46 32 59 W9 29.88R TC 8
ILZ079-100>102-202200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 50 30 46 NW12 29.92R TC 10
BELLEVILLE PTSUNNY 58 31 35 N13 29.89R TC 15
CAHOKIA* PTSUNNY 55 30 38 NW14 29.91R TC 13
SPARTA* MOSUNNY 55 31 40 SW5 29.92R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 55 37 50 SW10 29.91R TC 13
CAIRO* CLOUDY 56 44 64 SW10 29.93R TC 14
EFFINGHAM* PTSUNNY 51 32 48 W12 29.92R TC 10
MARION MOSUNNY 55 39 54 W12 29.91R TC 13
MT. VERNON PTSUNNY 54 33 45 W8 29.92R TC 12
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 55 34 45 W10 29.90R TC 13
METROPOLIS* CLOUDY 57 43 57 SW10G24 29.92R TC 14
ILZ067-068-072-073-078-083-087-091-202200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 54 34 46 SW14 29.89R TC 12
FLORA* PTSUNNY 54 32 43 W17 29.91R TC 12
FAIRFIELD* MOSUNNY 55 34 45 SW8 29.90R TC 13
HARRISBURG* MOSUNNY 56 37 49 W14 29.92R TC 14
ROBINSON* PTSUNNY 54 34 47 W12 29.88R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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