668
ASUS43 KLOT 211110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-211200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 42 40 92 E3 29.90S TC 6
STERLING* MOCLDY 45 43 93 SE5 29.92F TC 7
SAVANNA* MOCLDY 45 41 86 E3 29.91S TC 7
ILZ003-004-008-010-011-017-018-211200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 43 39 86 SE3 29.93F TC 6
FREEPORT* MOCLDY 43 40 89 E5 29.93F TC 6
ROCHELLE* MOCLDY 42 39 89 CALM 29.92F FOG TC 5
DE KALB* CLOUDY 43 38 83 SE6 29.93F TC 6
ILZ005-006-012>014-019>023-211200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 36 76 E3 29.92F TC 6
CHICAGO-MIDWAY CLOUDY 45 37 73 E6 29.93F TC 7
AURORA CLOUDY 41 39 93 CALM 29.92S FOG TC 5
JOLIET* CLOUDY 47 39 75 E5 29.94R TC 8
WAUKEGAN MOCLDY 37 34 89 NE3 29.93F TC 3
DUPAGE AIRPORT CLOUDY 41 38 89 E3 29.91F TC 5
KANKAKEE* MOCLDY 44 38 79 E7 29.94S TC 7
WHEELING MOCLDY 40 36 86 MISG 29.94F TC 4
MORRIS* MOCLDY 42 38 88 CALM 29.93R TC 6
ROMEOVILLE* PTCLDY 45 39 81 E5 29.94S TC 7
LANSING* MOCLDY 41 37 83 E5 29.94F TC 5
NORTHERLY ISL* N/A 41 35 79 NE2 N/A TC 5
LMZ740>746-211200-
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 40/ 5/ 6 N/A
NORTHERLY ISL 42 20/ 3/ 4 N/A
CALUMET HARBOR 41 20/ 3 1013.5F
BURNS HARBOR 38 280/ 2/ 2 1014.9R
MICHIGAN CITY 37 230/ 3/ 3 1014.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-211200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 55 44 66 SE7 29.87F TC 13
GALESBURG* PTCLDY 48 47 96 E5 29.93R TC 9
MACOMB* MOCLDY 49 45 88 SE7 29.93S TC 9
JACKSONVILLE* PTCLDY 44 44 98 E6 29.90R TC 7
PITTSFIELD* PTCLDY 53 44 71 E5 29.90R TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-211200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 41 38 87 MISG 29.94R TC 5
BLOOMINGTON PTCLDY 44 39 82 E6 29.93S TC 7
DECATUR CLEAR 43 41 93 NE7 29.91F FOG TC 6
PEORIA MOCLDY 49 40 71 SE6 29.93R TC 9
LACON* MOCLDY 46 37 71 CALM 29.94R TC 8
LINCOLN* PTCLDY 45 41 85 E3 29.91F TC 7
SPRINGFIELD PTCLDY 50 45 83 E8 29.89F TC 10
TAYLORVILLE CLEAR 50 45 81 E6 29.90F TC 10
ILZ033-039-045-046-055>057-062-063-211200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 42 40 92 NE5 29.92S TC 6
DANVILLE* PTCLDY 39 37 92 NE3 29.95S TC 4
RANTOUL* CLEAR 42 38 86 E3 29.93S TC 6
MATTOON CLEAR 47 43 86 NE5 29.90F TC 8
PARIS* CLEAR 42 42 97 CALM 29.92F FOG TC 6
ILZ079-100>102-211200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 50 44 79 CALM 29.88S TC 10
BELLEVILLE CLEAR 51 46 83 CALM 29.85S TC 11
CAHOKIA* CLEAR 50 46 86 CALM 29.86S TC 10
SPARTA* CLEAR 55 47 73 E5 29.88S TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 53 51 93 CALM 29.86S TC 12
CAIRO* CLEAR 62 56 81 S7 29.88F TC 16
EFFINGHAM* CLEAR 52 47 83 E3 29.92S TC 11
MARION CLEAR 56 54 92 CALM 29.87F TC 13
MT. VERNON N/A 52 46 80 NE5 29.88S TC 11
CENTRALIA* CLEAR 55 45 70 E5 29.88S TC 13
SALEM* CLEAR 58 46 64 E6 29.88S TC 15
METROPOLIS* CLEAR 61 53 74 CALM 29.88S TC 16
ILZ067-068-072-073-078-083-087-091-211200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 52 45 77 NE7 29.90R TC 11
FLORA* PTCLDY 55 46 71 NE6 29.90S TC 13
FAIRFIELD* PTCLDY 58 45 62 NE3 29.88S TC 14
HARRISBURG* CLEAR 52 49 90 CALM 29.88S TC 11
ROBINSON* PTCLDY 46 45 93 NE2 29.90S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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