460
ASUS43 KLOT 202010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-202100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 39 23 52 W12 29.88R WCI 32 TC 4
STERLING* PTSUNNY 39 29 67 W13 29.85R WCI 31 TC 4
SAVANNA* MOSUNNY 39 23 52 W9 29.85R WCI 33 TC 4
ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 40 22 48 W13 29.81R TC 4
FREEPORT* MOSUNNY 40 22 49 W13G18 29.83R TC 4
DE KALB* PTSUNNY 38 28 69 CALM 29.79F TC 3
PERU* PTSUNNY 39 30 68 W10 29.84R WCI 33 TC 4
ILZ005-006-012>014-019>023-202100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 39 26 59 W12 29.78R WCI 32 TC 4
CHICAGO-MIDWAY PTSUNNY 40 25 55 W9 29.79R TC 4
AURORA PTSUNNY 37 29 72 W12 29.79S WCI 29 TC 3
JOLIET* CLOUDY 41 29 62 W6 29.81F TC 5
WAUKEGAN PTSUNNY 41 26 55 SW15 29.75R TC 5
DUPAGE AIRPORT PTSUNNY 38 28 67 W10 29.78R WCI 31 TC 3
KANKAKEE* PTSUNNY 41 30 63 W13 29.82S TC 5
WHEELING PTSUNNY 40 26 57 W9 29.79R TC 4
MORRIS* PTSUNNY 39 31 71 W12 29.80S WCI 32 TC 4
ROMEOVILLE* MOSUNNY 39 28 65 W12 29.80S WCI 32 TC 4
LANSING* PTSUNNY 40 22 47 NW10 29.80S TC 5
NORTHERLY ISL* N/A 39 25 57 NW9 N/A WCI 33 TC 4
LMZ740>746-202100-
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 40 260/ 7/ 19 N/A
CALUMET HARBOR 41 260/ 6/ 11 1008.2
BURNS HARBOR 39 260/ 9/ 12 1009.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-202100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 45 29 53 N13 29.91R TC 7
GALESBURG* PTSUNNY 39 32 76 NW8 29.90R WCI 34 TC 4
MACOMB* PTSUNNY 41 31 68 NW13 29.93R TC 5
JACKSONVILLE* PTSUNNY 47 29 50 NW16 29.88R TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-202100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 40 29 64 NW14 29.83R TC 5
BLOOMINGTON PTSUNNY 43 29 57 NW14 29.86R TC 6
DECATUR PTSUNNY 47 31 53 W12 29.86R TC 8
PEORIA PTSUNNY 43 28 55 NW9G18 29.88R TC 6
LACON* PTSUNNY 40 27 59 W6 29.88R TC 4
LINCOLN* PTSUNNY 46 26 45 NW8 29.88R TC 8
SPRINGFIELD PTSUNNY 46 30 53 NW10G25 29.87R TC 8
TAYLORVILLE PTSUNNY 46 32 56 W12 29.88R TC 8
ILZ033-039-045-046-055>057-062-063-202100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 45 33 63 W13 29.84R TC 7
DANVILLE* PTSUNNY 45 32 60 SW16 29.84R TC 7
RANTOUL* PTSUNNY 44 32 62 W9 29.84R TC 7
MATTOON CLOUDY 48 31 51 SW10G20 29.85R TC 9
PARIS* PTSUNNY 47 32 56 SW16 29.86R TC 8
ILZ079-100>102-202100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 30 43 W9 29.89R TC 11
BELLEVILLE MOSUNNY 59 32 35 N12 29.86R TC 15
CAHOKIA* PTSUNNY 57 31 37 NW15G26 29.87R TC 14
SPARTA* MOSUNNY 55 32 41 SW7 29.89R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 55 37 50 SW15 29.88F TC 13
CAIRO* CLOUDY 56 43 61 SW12 29.91S TC 14
EFFINGHAM* PTSUNNY 53 31 43 SW16G22 29.89R TC 12
MARION MOSUNNY 55 37 50 SW15 29.87F TC 13
MT. VERNON SUNNY 54 35 48 SW14 29.88R TC 12
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 55 33 44 W12 29.88R TC 13
METROPOLIS* CLOUDY 57 37 47 SW12G18 29.91S TC 14
ILZ067-068-072-073-078-083-087-091-202100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 54 34 46 SW18 29.87S TC 12
FLORA* SUNNY 55 34 44 SW13 29.87R TC 13
FAIRFIELD* SUNNY 55 34 44 SW10 29.87F TC 13
HARRISBURG* SUNNY 58 37 47 SW18G24 29.88F TC 14
ROBINSON* MOSUNNY 54 34 47 SW17 29.85F TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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