795
ASUS43 KLOT 211708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SAT MAR 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.
ILZ001-002-007-009-015-016-024-211800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 72 47 40 S10G17 29.82F TC 22
STERLING* MOSUNNY 66 45 46 S7 29.86F TC 19
SAVANNA* SUNNY 62 43 49 SW8 29.85F TC 17
ILZ003-004-008-010-011-017-018-211800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 61 41 47 S12 29.87F TC 16
FREEPORT* MOSUNNY 63 42 46 S14 29.86F TC 17
ROCHELLE* MOSUNNY 61 40 46 S14 29.87F TC 16
DE KALB* MOSUNNY 58 43 57 S14 29.88F TC 15
PERU* MOSUNNY 64 43 47 S10 29.87F TC 18
ILZ005-006-012>014-019>023-211800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 59 44 57 S12 29.88F TC 15
CHICAGO-MIDWAY PTSUNNY 58 44 60 SW10 29.89F TC 14
AURORA PTSUNNY 59 44 57 S13 29.88F TC 15
JOLIET* PTSUNNY 60 45 56 S7 29.91F TC 16
WAUKEGAN MOSUNNY 50 40 68 SE8 29.88F TC 10
DUPAGE AIRPORT MOSUNNY 59 44 57 S12 29.88F TC 15
KANKAKEE* CLOUDY 59 42 53 S8 29.92F TC 15
WHEELING PTSUNNY 58 44 60 S10 29.90F TC 14
MORRIS* CLOUDY 59 42 53 S7 29.90F TC 15
ROMEOVILLE* CLOUDY 57 46 67 S9 29.91F TC 14
LANSING* CLOUDY 56 45 65 S9 29.92F TC 13
NORTHERLY ISL* N/A 44 36 73 E2 N/A TC 7
LMZ740>746-211800-
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 41 110/ 9/ 10 N/A
NORTHERLY ISL 43 130/ 1/ 3 N/A
CALUMET HARBOR 55 140/ 5/ 11 1012.6
BURNS HARBOR 57 170/ 5/ 7 1013.2F
MICHIGAN CITY 55 160/ 10/ 13 1012.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-211800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 77 46 33 S12 29.85F TC 25
GALESBURG* SUNNY 71 56 59 S10G18 29.86F TC 22
MACOMB* SUNNY 73 49 42 S10 29.87F TC 23
JACKSONVILLE* SUNNY 75 48 38 S10 29.87F TC 24
PITTSFIELD* SUNNY 75 49 40 S6 29.88F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-211800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 67 39 35 MISG 29.89F TC 19
BLOOMINGTON PTSUNNY 69 48 47 S13 29.89F TC 21
DECATUR SUNNY 71 49 45 SE8 29.89F TC 22
PEORIA SUNNY 68 48 48 S12 29.87F TC 20
LACON* MOSUNNY 66 43 42 CALM 29.87F TC 19
LINCOLN* SUNNY 72 43 35 S8G16 29.88F TC 22
SPRINGFIELD SUNNY 74 49 41 S10 29.88F TC 23
TAYLORVILLE SUNNY 73 48 40 S9 29.89F TC 23
ILZ033-039-045-046-055>057-062-063-211800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 68 47 46 SE9 29.90F TC 20
DANVILLE* SUNNY 65 47 50 S7 29.91F TC 19
RANTOUL* SUNNY 66 44 45 SE9 29.90F TC 19
MATTOON SUNNY 71 48 43 S8 29.89F TC 22
PARIS* MOSUNNY 67 49 51 CALM 29.91F TC 20
ILZ079-100>102-211800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 50 43 SE7 29.89F TC 23
BELLEVILLE SUNNY 75 56 51 CALM 29.87F TC 24
CAHOKIA* SUNNY 77 53 43 VRB5 29.87F TC 25
SPARTA* SUNNY 73 56 56 CALM 29.90S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 75 56 51 S3 29.87F TC 24
CAIRO* MOSUNNY 77 60 56 SW10 29.89F TC 25
EFFINGHAM* SUNNY 72 51 47 E7 29.92F TC 22
MARION SUNNY 73 57 56 S5 29.87F TC 23
MT. VERNON N/A 75 55 49 VRB3 29.89F TC 24
CENTRALIA* SUNNY 78 51 39 SE5 29.89F TC 25
SALEM* SUNNY 76 50 39 E5 29.90S TC 25
METROPOLIS* MOSUNNY 75 58 54 CALM 29.89F TC 24
ILZ067-068-072-073-078-083-087-091-211800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 72 49 44 SE7 29.90F TC 22
FLORA* SUNNY 73 54 49 E7 29.90F HAZE TC 23
FAIRFIELD* SUNNY 73 53 49 E5 29.90S TC 23
HARRISBURG* MOSUNNY 73 57 55 CALM 29.89F TC 23
ROBINSON* MOSUNNY 72 48 43 S8 29.89F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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