661
ASUS43 KLOT 211912
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CST WED JAN 21 2026
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.
ILZ001-002-007-009-015-016-024-212000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 30 18 60 W18 29.96F WCI 18 TC -1
STERLING* PTSUNNY 28 18 66 W15 29.95F WCI 16 TC -2
SAVANNA* CLOUDY 24 17 74 W14 29.95F WCI 12 TC -4
ILZ003-004-008-010-011-017-018-212000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 23 16 74 SW16 29.92F WCI 10 TC -5
FREEPORT* CLOUDY 24 17 76 W10G16 29.92F WCI 13 TC -5
DE KALB* CLOUDY 23 18 82 MISG 29.92F TC -5
PERU* PTSUNNY 34 18 51 W17 29.95F WCI 23 TC 1
ILZ005-006-012>014-019>023-212000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 27 18 69 W18G29 29.89F WCI 14 TC -3
CHICAGO-MIDWAY PTSUNNY 30 19 63 W12G25 29.90F WCI 20 TC -1
AURORA CLOUDY 26 19 74 W23 29.92S WCI 11 TC -3
JOLIET* CLOUDY 32 21 63 W14G24 29.94S WCI 22 TC 0
WAUKEGAN CLOUDY 26 17 68 W10G26 29.87F WCI 16 TC -3
DUPAGE AIRPORT CLOUDY 26 19 74 W18G30 29.91F WCI 13 TC -3
KANKAKEE* MOSUNNY 36 20 51 W23 29.95F WCI 25 TC 2
WHEELING CLOUDY 27 18 69 W13G23 29.91S WCI 16 TC -3
MORRIS* PTSUNNY 33 20 59 W21G30 29.93S WCI 20 TC 0
ROMEOVILLE* PTSUNNY 30 19 64 W22G29 29.93S WCI 17 TC -1
LANSING* PTSUNNY 32 20 60 W23 29.91F WCI 19 TC 0
NORTHERLY ISL* N/A 30 18 60 W13 N/A WCI 20 TC -1
LMZ740>746-212000-
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 30 250/ 21/ 23 N/A
NORTHERLY ISL 31 220/ 12/ 14 N/A
CALUMET HARBOR 32 230/ 9/ 18 1012.1
BURNS HARBOR 33 230/ 10/ 12 1012.9F
MICHIGAN CITY 31 260/ 17/ 19 1012.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-212000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 39 15 37 W15G26 30.04F WCI 31 TC 4
GALESBURG* CLOUDY 33 23 65 W21G29 N/A WCI 21 TC 1
MACOMB* MOSUNNY 36 16 44 W25G32 30.03F WCI 24 TC 2
JACKSONVILLE* SUNNY 38 15 38 W22 30.03F WCI 28 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-212000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 36 16 45 W24 29.95F WCI 24 TC 2
BLOOMINGTON SUNNY 36 18 48 W16G28 29.97F WCI 26 TC 2
DECATUR SUNNY 41 19 41 W21G29 29.99F TC 5
PEORIA MOSUNNY 34 15 46 W18G28 29.99F WCI 23 TC 1
LACON* MOSUNNY 32 14 48 W15G22 29.97F WCI 21 TC 0
LINCOLN* SUNNY 39 14 35 W8G20 30.00F WCI 33 TC 4
SPRINGFIELD SUNNY 40 18 41 W22G35 30.01F TC 4
TAYLORVILLE SUNNY 42 20 40 W18G25 30.02F TC 6
ILZ033-039-045-046-055>057-062-063-212000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 41 21 44 W22G35 29.97F TC 5
DANVILLE* PTSUNNY 45 22 41 W18G25 29.96F TC 7
RANTOUL* SUNNY 39 20 47 W20G26 29.96F WCI 30 TC 4
MATTOON SUNNY 45 21 38 W16G32 29.98F TC 7
PARIS* SUNNY 46 20 36 SW23G29 29.99S TC 8
ILZ079-100>102-212000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 48 21 34 W18 30.05F TC 9
BELLEVILLE SUNNY 52 23 32 W15 30.03F TC 11
CAHOKIA* SUNNY 49 22 34 W13 30.05F TC 9
SPARTA* SUNNY 50 26 38 W12 30.06F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 46 35 65 SW15G24 30.08F TC 8
CAIRO* CLOUDY 43 39 88 SW7 30.14F TC 6
EFFINGHAM* SUNNY 47 23 39 SW16G22 30.03F TC 8
MARION PTSUNNY 45 36 70 SW16G24 30.08F TC 7
MT. VERNON SUNNY 50 29 44 W16G25 30.05F TC 10
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 49 25 38 W15G21 30.03F TC 10
ILZ067-068-072-073-078-083-087-091-212000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 49 30 48 SW23G29 30.02F TC 9
FLORA* SUNNY 48 28 46 SW18 30.03F TC 9
FAIRFIELD* SUNNY 48 31 51 SW14G23 30.04F TC 9
HARRISBURG* CLOUDY 43 36 76 SW14G20 30.09F TC 6
ROBINSON* SUNNY 48 28 46 W23 30.01F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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