343
ASUS43 KLOT 210810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-210900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 53 46 77 E9 29.90F TC 12
STERLING* MOCLDY 46 45 96 E3 29.95S TC 8
SAVANNA* MOCLDY 49 45 85 SE5 29.94S TC 9
ILZ003-004-008-010-011-017-018-210900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 42 39 89 CALM 29.97R TC 6
FREEPORT* MOCLDY 45 42 89 CALM 29.96S TC 7
ROCHELLE* MOCLDY 42 39 89 CALM 29.96R FOG TC 5
DE KALB* MOCLDY 42 38 85 CALM 29.96R TC 6
PERU* MOCLDY 46 43 87 CALM 29.95F TC 8
ILZ005-006-012>014-019>023-210900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 36 76 CALM 29.94S TC 6
CHICAGO-MIDWAY CLOUDY 45 36 70 E6 29.95F TC 7
AURORA MOCLDY 42 39 89 CALM 29.95R FOG TC 6
JOLIET* MOCLDY 47 38 70 E3 29.95S TC 9
WAUKEGAN MOCLDY 37 35 92 CALM 29.94F TC 3
DUPAGE AIRPORT MOCLDY 43 37 79 CALM 29.94F TC 6
KANKAKEE* MOCLDY 43 37 80 CALM 29.95S TC 6
WHEELING MOCLDY 40 35 83 MISG 29.96F TC 4
MORRIS* MOCLDY 44 38 79 CALM 29.95S TC 7
ROMEOVILLE* MOCLDY 45 39 81 NE5 29.95S TC 7
LANSING* MOCLDY 40 36 86 CALM 29.96S TC 4
NORTHERLY ISL* N/A 42 35 76 N2 N/A TC 6
LMZ740>746-210900-
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 44 60/ 6/ 6 N/A
NORTHERLY ISL 43 10/ 3/ 4 N/A
CALUMET HARBOR 42 20/ 4 1013.8F
BURNS HARBOR 39 60/ 1/ 2 1014.9F
MICHIGAN CITY 38 180/ 1/ 1 1014.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-210900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 57 43 59 SE5 29.90F TC 14
GALESBURG* MOCLDY 52 50 91 E6 29.92S TC 11
MACOMB* MOCLDY 49 45 85 E5 29.93S TC 9
JACKSONVILLE* MOCLDY 50 42 74 E9 29.92R TC 10
PITTSFIELD* CLEAR 53 45 72 CALM 29.92S TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-210900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 42 38 88 MISG 29.95F TC 6
BLOOMINGTON MOCLDY 45 41 86 E8 29.94F TC 7
DECATUR MOCLDY 46 43 89 E7 29.94S TC 8
PEORIA PTCLDY 50 43 77 E7 29.93F TC 10
LACON* MOCLDY 46 39 78 CALM 29.94F TC 8
LINCOLN* MOCLDY 49 41 75 E6 29.94S TC 9
SPRINGFIELD MOCLDY 52 45 77 E7 29.94R TC 11
TAYLORVILLE MOCLDY 54 46 76 E7 29.93F TC 12
ILZ033-039-045-046-055>057-062-063-210900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 46 42 86 E8 29.93F TC 8
DANVILLE* MOCLDY 48 41 76 NE5 29.94F TC 9
RANTOUL* MOCLDY 46 38 72 E5 29.93F TC 8
MATTOON MOCLDY 50 45 83 NE7 29.93F TC 10
PARIS* MOCLDY 48 43 80 CALM 29.95R TC 9
ILZ079-100>102-210900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 51 46 80 CALM 29.91S TC 11
BELLEVILLE CLEAR 55 47 76 CALM 29.88S TC 13
CAHOKIA* CLEAR 53 47 79 CALM 29.89S TC 12
SPARTA* CLEAR 58 51 76 E3 29.90F TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 60 54 80 S5 29.89S TC 16
CAIRO* MOCLDY 64 56 75 SW3 29.91S TC 18
EFFINGHAM* PTCLDY 57 49 74 NE5 29.93F TC 14
MARION MOCLDY 58 52 82 CALM 29.91S TC 14
MT. VERNON N/A 51 49 92 N3 29.89F TC 11
CENTRALIA* PTCLDY 55 47 76 CALM 29.90F TC 13
SALEM* PTCLDY 64 45 50 CALM 29.90F TC 18
METROPOLIS* CLOUDY 59 53 80 CALM 29.91S TC 15
ILZ067-068-072-073-078-083-087-091-210900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 59 47 64 NE7 29.91S TC 15
FLORA* PTCLDY 61 46 59 NE3 29.92S TC 16
FAIRFIELD* PTCLDY 62 45 54 N5 29.90S TC 16
HARRISBURG* MOCLDY 57 52 83 CALM 29.91S TC 14
ROBINSON* PTCLDY 52 48 87 NE7 29.91F TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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