348
ASUS43 KLOT 211601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-211700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 66 46 48 S7 29.85F TC 19
STERLING* SUNNY 60 42 51 S8 29.89F TC 16
SAVANNA* MOSUNNY 59 42 53 S8 29.88F TC 15
ILZ003-004-008-010-011-017-018-211700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 56 41 57 SE10 29.92S TC 13
FREEPORT* MOSUNNY 57 41 56 S10 29.90F TC 14
ROCHELLE* PTSUNNY 56 39 52 S9 29.91S TC 13
DE KALB* MOSUNNY 55 44 67 S15 29.92S TC 13
ILZ005-006-012>014-019>023-211700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 55 42 61 S7 29.91F TC 13
CHICAGO-MIDWAY PTSUNNY 55 43 63 S8 29.92F TC 13
AURORA CLOUDY 54 44 69 SE9 29.91S TC 12
JOLIET* CLOUDY 57 44 60 S7 29.93S TC 14
WAUKEGAN PTSUNNY 44 37 76 SE8 29.91F TC 7
DUPAGE AIRPORT CLOUDY 55 43 63 S13 29.91S TC 13
WHEELING CLOUDY 54 42 64 S8 29.93S TC 12
MORRIS* CLOUDY 55 41 60 SE9 29.91F TC 13
ROMEOVILLE* PTSUNNY 54 45 71 S12 29.93F TC 12
LANSING* PTSUNNY 55 44 64 S9 29.94S TC 13
NORTHERLY ISL* N/A 44 36 73 SE3 N/A TC 7
LMZ740>746-211700-
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 44 150/ 10/ 11 N/A
NORTHERLY ISL 45 100/ 3/ 3 N/A
CALUMET HARBOR 54 160/ 10/ 12 1013.1F
BURNS HARBOR 55 170/ 6/ 8 1014.2S
MICHIGAN CITY 54 150/ 10/ 12 1012.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-211700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 72 48 42 S10 29.88S TC 22
MACOMB* SUNNY 67 50 54 S10 29.90S TC 19
JACKSONVILLE* SUNNY 69 48 48 S7 29.90S TC 20
PITTSFIELD* SUNNY 69 51 51 SE6 29.90F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-211700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 61 39 44 MISG 29.91F TC 16
BLOOMINGTON CLOUDY 65 45 48 S13 29.91S TC 18
DECATUR MOSUNNY 65 48 54 SE9 29.91F TC 18
PEORIA MOSUNNY 64 46 52 S12 29.89F TC 18
LACON* PTSUNNY 61 41 48 SE7 29.89F TC 16
LINCOLN* SUNNY 66 44 44 S10 29.90F TC 19
SPRINGFIELD SUNNY 68 47 46 SE9 29.90S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 61 47 59 SE12 29.91F TC 16
DANVILLE* MOSUNNY 58 47 65 S8 29.93F TC 15
MATTOON MOSUNNY 66 48 52 SE7 29.90F TC 19
PARIS* MOSUNNY 61 47 62 CALM 29.93F TC 16
ILZ079-100>102-211700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 50 46 E7 29.90S TC 22
BELLEVILLE SUNNY 70 54 56 E5 29.88S TC 21
CAHOKIA* SUNNY 73 51 46 CALM 29.88S TC 23
SPARTA* SUNNY 69 55 59 CALM 29.90S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 69 58 67 CALM 29.88S TC 21
CAIRO* MOSUNNY 73 60 63 S7 29.90S TC 23
EFFINGHAM* SUNNY 68 51 53 NE5 29.93S TC 20
MARION MOSUNNY 70 57 64 MISG 29.89S TC 21
MT. VERNON N/A 71 53 52 E5 29.90S TC 22
CENTRALIA* SUNNY 73 51 46 E5 29.90S TC 23
SALEM* SUNNY 73 50 45 E3 29.90S TC 23
METROPOLIS* MOSUNNY 73 57 56 CALM 29.90S TC 23
ILZ067-068-072-073-078-083-087-091-211700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 69 46 43 E7 29.92S TC 21
FLORA* SUNNY 70 54 56 E7 29.91S TC 21
FAIRFIELD* MOSUNNY 69 51 52 E6 29.90S TC 21
HARRISBURG* PTSUNNY 68 56 63 CALM 29.90S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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