232
ASUS43 KLOT 211310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-211400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 48 42 80 SE7 29.89S TC 9
STERLING* MOSUNNY 46 41 82 SE3 29.93R TC 8
SAVANNA* CLOUDY 45 41 86 CALM 29.92R FOG TC 7
ILZ003-004-008-010-011-017-018-211400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 43 39 86 CALM 29.94R TC 6
FREEPORT* MOSUNNY 45 42 88 S3 29.93S TC 7
ROCHELLE* PTSUNNY 42 38 84 S3 29.93R FOG TC 6
DE KALB* PTSUNNY 44 39 83 SE8 29.94R TC 7
PERU* MOSUNNY 44 39 83 S3 29.93S TC 7
ILZ005-006-012>014-019>023-211400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 45 37 73 E5 29.93R TC 7
CHICAGO-MIDWAY PTSUNNY 46 38 73 E6 29.94R TC 8
AURORA CLOUDY 44 39 82 SE6 29.93R HAZE TC 7
JOLIET* CLOUDY 48 41 77 SE6 29.94R TC 9
WAUKEGAN CLOUDY 39 36 89 E6 29.93S WCI 35 TC 4
DUPAGE AIRPORT CLOUDY 46 39 76 SE6 29.92S TC 8
KANKAKEE* PTSUNNY 44 39 83 SE5 29.95S TC 7
WHEELING PTSUNNY 42 37 82 CALM 29.95S TC 6
MORRIS* CLOUDY 45 39 81 CALM 29.93S TC 7
ROMEOVILLE* MOSUNNY 46 41 81 E6 29.94S TC 8
LANSING* PTSUNNY 43 38 83 CALM 29.96R TC 6
NORTHERLY ISL* N/A 40 35 83 CALM N/A TC 4
LMZ740>746-211400-
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 38 CALM / 1 N/A
NORTHERLY ISL 39 30/ 4/ 4 N/A
CALUMET HARBOR 20/ 2/ 4 1013.8
BURNS HARBOR 47 110/ 4/ 6 1014.6S
MICHIGAN CITY 44 130/ 6/ 8 1013.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-211400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 53 45 74 E8 29.88R TC 12
GALESBURG* PTCLDY 47 46 95 SE7 29.91F TC 8
MACOMB* PTCLDY 47 45 93 E6 29.93R TC 8
JACKSONVILLE* MOSUNNY 49 48 98 E3 29.90R TC 9
PITTSFIELD* MOCLDY 51 45 79 CALM 29.90R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-211400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 44 39 83 MISG 29.94R TC 7
BLOOMINGTON PTSUNNY 46 41 82 SE3 29.93S TC 8
DECATUR MOSUNNY 46 43 89 CALM 29.92R FOG TC 8
PEORIA PTSUNNY 49 40 71 SE3 29.92S TC 9
LACON* MOSUNNY 42 38 83 CALM 29.93R TC 6
LINCOLN* PTSUNNY 49 44 83 E3 29.92S TC 9
SPRINGFIELD MOSUNNY 50 45 83 E6 29.91R TC 10
TAYLORVILLE MOSUNNY 50 45 81 E5 29.92R TC 10
ILZ033-039-045-046-055>057-062-063-211400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 47 43 86 E8 29.92R TC 8
DANVILLE* PTSUNNY 45 41 84 E5 29.95S TC 7
RANTOUL* PTSUNNY 44 40 85 E5 29.93S TC 7
MATTOON MOSUNNY 50 45 83 CALM 29.92R TC 10
PARIS* MOSUNNY 47 43 88 CALM 29.93R TC 8
ILZ079-100>102-211400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 45 76 VRB5 29.90R TC 11
BELLEVILLE MOSUNNY 53 49 87 CALM 29.87R TC 11
CAHOKIA* MOSUNNY 50 47 89 CALM 29.88R TC 10
SPARTA* MOSUNNY 58 48 71 CALM 29.89R TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 53 51 93 SE3 29.87S TC 12
CAIRO* SUNNY 61 56 84 S5 29.90S TC 16
EFFINGHAM* SUNNY 55 47 76 E6 29.93R TC 13
MARION SUNNY 57 55 94 SE5 29.88S TC 14
MT. VERNON N/A 57 48 72 NE6 29.89S TC 14
CENTRALIA* SUNNY 55 48 76 E6 29.89S TC 13
SALEM* SUNNY 58 47 67 E5 29.90R TC 15
METROPOLIS* SUNNY 56 52 84 CALM 29.90R TC 14
ILZ067-068-072-073-078-083-087-091-211400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 54 46 74 NE8 29.91S TC 12
FLORA* SUNNY 54 48 82 NE5 29.91S TC 12
FAIRFIELD* MOSUNNY 56 46 70 NE3 29.90R TC 13
HARRISBURG* SUNNY 53 51 91 CALM 29.89S TC 12
ROBINSON* SUNNY 45 45 100 E1 29.91S TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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