375
ASUS43 KLOT 212107
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM 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.
ILZ001-002-007-009-015-016-024-212200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 85 47 26 SW12 29.69F HX 82 TC 29
STERLING* SUNNY 81 48 31 SW13G21 29.70F HX 80 TC 27
SAVANNA* MOSUNNY 79 46 31 SW9 29.70F TC 26
ILZ003-004-008-010-011-017-018-212200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 75 47 36 S15 29.71F TC 24
FREEPORT* MOSUNNY 78 45 31 SW17 29.71F TC 25
ROCHELLE* SUNNY 76 46 34 SW15 29.72F TC 25
DE KALB* SUNNY 74 49 40 SW17 29.73F TC 24
PERU* SUNNY 78 49 35 SW10G17 29.73F TC 26
ILZ005-006-012>014-019>023-212200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 42 35 S17G26 29.72F TC 22
CHICAGO-MIDWAY MOSUNNY 72 43 35 S14G26 29.73F TC 22
AURORA SUNNY 76 47 35 S15 29.72F TC 24
JOLIET* SUNNY 78 45 30 S13 29.74F TC 26
WAUKEGAN SUNNY 71 44 37 SW20G29 29.68F TC 22
DUPAGE AIRPORT SUNNY 73 46 38 S12 29.72F TC 23
KANKAKEE* SUNNY 79 42 26 SW13G18 29.76F TC 26
WHEELING SUNNY 71 43 36 SW15G24 29.72F TC 22
MORRIS* SUNNY 78 46 32 SW14 29.73F TC 26
ROMEOVILLE* SUNNY 73 48 40 S17 29.74F TC 23
LANSING* SUNNY 71 42 36 SW13 29.76F TC 22
NORTHERLY ISL* N/A 70 39 32 S10 N/A TC 21
LMZ740>746-212200-
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 57 180/ 14/ 16 N/A
NORTHERLY ISL 68 190/ 13/ 16 N/A
CALUMET HARBOR 180/ 12/ 18 1007.2F
BURNS HARBOR 66 190/ 10/ 13 1008.5F
MICHIGAN CITY 67 180/ 15/ 20 1006.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-212200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 86 45 23 SW9 29.75F HX 83 TC 30
GALESBURG* SUNNY 84 53 34 SW12G17 29.74F HX 82 TC 29
MACOMB* SUNNY 87 46 23 SW12G18 29.76F HX 84 TC 30
JACKSONVILLE* SUNNY 85 43 22 S9 29.77F HX 83 TC 30
PITTSFIELD* SUNNY 86 47 25 S6 29.78F HX 83 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-212200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 83 40 21 MISG 29.75F HX 80 TC 28
BLOOMINGTON SUNNY 82 45 27 SW14 29.78F HX 80 TC 28
DECATUR SUNNY 81 47 30 SW9 29.78F HX 80 TC 27
PEORIA SUNNY 81 46 29 SW14 29.75F HX 80 TC 27
LACON* SUNNY 80 44 27 SW10 29.73F TC 27
LINCOLN* SUNNY 85 39 19 SW7 29.77S HX 82 TC 30
SPRINGFIELD SUNNY 85 45 24 VRB3 29.77F HX 82 TC 29
TAYLORVILLE SUNNY 82 46 28 S12 29.79F HX 81 TC 28
ILZ033-039-045-046-055>057-062-063-212200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 82 43 25 SW12 29.79F HX 80 TC 28
DANVILLE* SUNNY 80 45 28 SW9 29.80F TC 27
RANTOUL* SUNNY 81 43 25 SW12G20 29.78F HX 80 TC 27
MATTOON SUNNY 79 49 34 S8 29.79F TC 26
PARIS* SUNNY 79 46 31 S7 29.81F TC 26
ILZ079-100>102-212200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 46 26 S5 29.80F HX 82 TC 29
BELLEVILLE SUNNY 86 54 32 SW5 29.77F HAZE HX 84
CAHOKIA* SUNNY 85 52 32 SE8 29.78F HX 83 TC 29
SPARTA* SUNNY 82 55 38 SE6 29.81F HX 82 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 54 35 CALM 29.80F HX 83 TC 29
CAIRO* SUNNY 85 60 43 S12 29.83F HX 85 TC 29
EFFINGHAM* SUNNY 82 51 33 S6 29.82F HX 81 TC 28
MARION SUNNY 84 55 37 CALM 29.81F HX 83 TC 29
MT. VERNON N/A 84 53 34 SE5 29.81F HX 82 TC 29
CENTRALIA* SUNNY 85 47 27 S3 29.81S HX 82 TC 29
SALEM* SUNNY 85 48 27 CALM 29.81S HX 83 TC 30
METROPOLIS* SUNNY 83 59 44 CALM 29.83F HX 83 TC 28
ILZ067-068-072-073-078-083-087-091-212200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 81 45 28 S6 29.81F HX 80 TC 27
FLORA* SUNNY 82 50 32 SE9 29.82S HX 81 TC 28
FAIRFIELD* SUNNY 82 51 34 S6 29.81F HX 81 TC 28
HARRISBURG* SUNNY 83 53 36 CALM 29.82F HX 82 TC 28
ROBINSON* SUNNY 81 50 34 S6 29.80F HX 80 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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