783
ASUS43 KLOT 210501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-210600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 50 45 83 CALM 29.92S TC 10
STERLING* MOCLDY 50 48 93 E7 29.94F TC 10
SAVANNA* MOCLDY 53 44 69 CALM 29.94R TC 12
ILZ003-004-008-010-011-017-018-210600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 49 42 77 E3 29.97F TC 9
FREEPORT* MOCLDY 49 45 86 E6 29.96S TC 9
PERU* MOCLDY 51 42 73 E7 29.97R TC 10
ILZ005-006-012>014-019>023-210600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 35 73 E3 29.96R TC 6
CHICAGO-MIDWAY CLOUDY 45 37 73 E3 29.97R TC 7
AURORA MOCLDY 45 40 82 CALM 29.96R HAZE TC 7
JOLIET* MOCLDY 46 40 77 CALM 29.97S TC 8
WAUKEGAN MOCLDY 36 34 92 CALM 29.95S TC 2
DUPAGE AIRPORT MOCLDY 44 38 79 CALM 29.96R TC 7
WHEELING MOCLDY 42 35 76 CALM 29.98R TC 6
MORRIS* MOCLDY 47 40 77 CALM 29.97R TC 8
LANSING* MOCLDY 42 36 80 CALM 29.97S TC 5
NORTHERLY ISL* N/A 41 35 79 NW2 N/A TC 5
LMZ740>746-210600-
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 41 310/ 5/ 6 N/A
NORTHERLY ISL 40 330/ 3/ 6 N/A
CALUMET HARBOR 40 320/ 1/ 2 1014.4
BURNS HARBOR 38 280/ 3/ 4 1015.2R
MICHIGAN CITY 38 260/ 5/ 5 1014.4R
ILZ025>027-034>036-040-047-049-050-058-095>099-210600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 56 44 64 NE8 29.91S TC 13
MACOMB* MOCLDY 55 45 69 N7 29.95S TC 13
PITTSFIELD* MOCLDY 65 45 47 N3 29.93R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-210600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 46 40 81 MISG 29.97S TC 8
BLOOMINGTON MOCLDY 49 43 80 E13 29.97R TC 9
DECATUR MOCLDY 54 47 77 NE13 29.93R TC 12
PEORIA MOCLDY 58 47 66 E12 29.94R TC 14
LACON* MOCLDY 49 41 73 SE3 29.95F TC 10
LINCOLN* MOCLDY 55 44 67 E7 29.94R TC 13
SPRINGFIELD MOCLDY 59 43 55 NE9 29.92R TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 53 44 71 NE15 29.94R TC 12
DANVILLE* MOCLDY 50 45 82 N6 29.96R TC 10
MATTOON MOCLDY 56 47 71 NE7 29.92R TC 13
PARIS* MOCLDY 56 45 66 NE6 29.94R TC 14
ILZ079-100>102-210600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 69 47 44 NE5 29.88S TC 21
CAHOKIA* MOCLDY 63 46 54 N3 29.89S TC 17
SPARTA* MOCLDY 64 53 67 NE5 29.90S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 66 55 67 S7 29.88S TC 19
CAIRO* MOCLDY 66 56 71 CALM 29.91F TC 19
MARION MOCLDY 64 53 66 S3 29.89F TC 18
MT. VERNON N/A 56 51 84 CALM 29.90S TC 13
CENTRALIA* MOCLDY 62 47 59 CALM 29.90S TC 17
SALEM* MOCLDY 63 47 55 CALM 29.90S TC 17
ILZ067-068-072-073-078-083-087-091-210600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 62 47 57 N3 29.90S TC 17
FLORA* MOCLDY 64 48 55 N6 29.91R TC 18
FAIRFIELD* MOCLDY 62 50 64 CALM 29.90S TC 17
HARRISBURG* MOCLDY 69 53 55 W6 29.89F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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