578
ASUS43 KLOT 210910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-211000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 50 44 80 E7 29.90S TC 10
STERLING* MOCLDY 45 44 97 E5 29.93F TC 7
SAVANNA* MOCLDY 47 43 84 SE6 29.92F TC 9
ILZ003-004-008-010-011-017-018-211000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 44 40 85 S3 29.95F TC 7
FREEPORT* MOCLDY 43 40 89 SE3 29.94F TC 6
ROCHELLE* MOCLDY 40 38 89 E3 29.94F FOG TC 5
DE KALB* MOCLDY 42 38 85 SE3 29.96S TC 6
PERU* MOCLDY 46 42 86 CALM 29.93F TC 8
ILZ005-006-012>014-019>023-211000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 46 36 68 NE3 29.94S TC 8
CHICAGO-MIDWAY CLOUDY 44 36 73 NE5 29.95S TC 7
AURORA MOCLDY 40 39 97 N3 29.95S FOG TC 4
JOLIET* MOCLDY 47 38 70 CALM 29.96R TC 8
WAUKEGAN MOCLDY 35 34 96 CALM 29.95R TC 2
DUPAGE AIRPORT CLOUDY 40 38 93 N3 29.95R TC 4
KANKAKEE* MOCLDY 42 38 83 CALM 29.95S TC 6
WHEELING MOCLDY 40 36 86 MISG 29.96S TC 4
MORRIS* MOCLDY 42 39 86 CALM 29.95S TC 6
ROMEOVILLE* CLOUDY 43 39 87 CALM 29.96R TC 6
LANSING* MOCLDY 40 36 83 CALM 29.95S TC 5
NORTHERLY ISL* N/A 42 34 73 N5 N/A TC 6
LMZ740>746-211000-
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 43 330/ 2/ 2 N/A
NORTHERLY ISL 42 CALM / 5 N/A
CALUMET HARBOR 350/ 2/ 2 1013.7
BURNS HARBOR 39 70/ 3/ 3 1014.6F
MICHIGAN CITY 38 CALM / 1 1013.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-211000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 58 43 57 SE7 29.88F TC 14
GALESBURG* MOCLDY 50 47 90 SE8 29.91S TC 10
MACOMB* MOCLDY 51 46 84 SE10 29.93S TC 11
JACKSONVILLE* PTCLDY 51 44 77 SE6 29.90F TC 10
PITTSFIELD* CLEAR 52 45 77 SE3 29.91F TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-211000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 42 39 88 MISG 29.93F TC 6
BLOOMINGTON PTCLDY 43 39 86 E7 29.94S TC 6
DECATUR PTCLDY 42 41 96 E5 29.93F TC 6
PEORIA PTCLDY 49 42 77 SE6 29.93S TC 9
LACON* MOCLDY 45 39 81 CALM 29.91F TC 7
LINCOLN* PTCLDY 47 40 77 SE3 29.94S TC 8
SPRINGFIELD PTCLDY 52 45 77 E9 29.92F TC 11
TAYLORVILLE PTCLDY 52 45 76 E5 29.92F TC 11
ILZ033-039-045-046-055>057-062-063-211000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 42 41 96 CALM 29.94R TC 6
DANVILLE* MOCLDY 43 40 89 S5 29.93S TC 6
RANTOUL* MOCLDY 44 38 79 CALM 29.94R TC 7
MATTOON PTCLDY 48 44 86 E3 29.91F TC 9
PARIS* MOCLDY 44 43 95 CALM 29.93F TC 7
ILZ079-100>102-211000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 50 45 81 CALM 29.90F TC 10
BELLEVILLE PTCLDY 52 47 81 CALM 29.87F TC 11
CAHOKIA* MOCLDY 52 47 83 CALM 29.88F TC 11
SPARTA* CLEAR 59 51 74 CALM 29.89F TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 57 53 86 CALM 29.87F TC 14
CAIRO* CLEAR 60 56 86 SW5 29.91S TC 15
EFFINGHAM* PTCLDY 55 48 78 NE3 29.92F TC 13
MARION PTCLDY 58 54 84 S5 29.88F TC 15
MT. VERNON N/A 61 46 57 NE8 29.88F TC 16
CENTRALIA* CLEAR 57 46 66 E5 29.89F TC 14
SALEM* CLEAR 62 46 55 NE5 29.89F TC 16
METROPOLIS* PTCLDY 56 52 86 CALM 29.91S TC 13
ILZ067-068-072-073-078-083-087-091-211000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 54 46 74 NE7 29.90F TC 12
FLORA* PTCLDY 59 46 63 NE6 29.90F TC 15
FAIRFIELD* PTCLDY 61 45 56 N5 29.89F TC 16
HARRISBURG* PTCLDY 57 53 85 CALM 29.88F TC 14
ROBINSON* MOCLDY 50 46 87 NE7 29.90F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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