345
ASUS43 KLOT 212007
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-212100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 83 46 27 S13 29.71F HX 81 TC 28
STERLING* SUNNY 79 48 33 SW13 29.74F TC 26
SAVANNA* SUNNY 78 46 32 SW12 29.72F TC 26
ILZ003-004-008-010-011-017-018-212100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 46 38 S17 29.75F TC 23
FREEPORT* SUNNY 75 46 35 SW16G24 29.74F TC 24
ROCHELLE* SUNNY 74 45 35 S16 29.75F TC 23
DE KALB* SUNNY 71 48 44 SW18 29.77F TC 21
ILZ005-006-012>014-019>023-212100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 70 42 36 S12 29.75F TC 21
CHICAGO-MIDWAY MOSUNNY 69 41 36 SW14 29.77F TC 21
AURORA SUNNY 71 44 37 S13 29.76F TC 22
JOLIET* MOSUNNY 73 44 34 S12G18 29.78F TC 23
WAUKEGAN MOSUNNY 59 42 53 S10 29.73F TC 15
DUPAGE AIRPORT SUNNY 69 44 40 S14 29.76F TC 21
KANKAKEE* SUNNY 74 41 30 S10G18 29.80F TC 23
WHEELING MOSUNNY 69 42 37 S16 29.76F TC 21
MORRIS* SUNNY 76 45 34 S12 29.76F TC 24
ROMEOVILLE* SUNNY 68 46 45 S14G22 29.79F TC 20
LANSING* SUNNY 68 42 37 S13 29.80F TC 20
NORTHERLY ISL* N/A 67 37 33 S13 N/A TC 19
LMZ740>746-212100-
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 58 170/ 14/ 16 N/A
NORTHERLY ISL 65 180/ 5/ 6 N/A
CALUMET HARBOR 65 180/ 10/ 15 1008.8
BURNS HARBOR 65 180/ 7/ 12 1010.2F
MICHIGAN CITY 65 180/ 12/ 15 1008.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-212100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 85 45 24 SW8 29.77F HX 82 TC 29
GALESBURG* SUNNY 83 53 36 SW14G21 29.76F HX 81 TC 28
MACOMB* SUNNY 85 47 26 SW10G18 29.78F HX 83 TC 30
JACKSONVILLE* SUNNY 85 44 24 SW8 29.79F HX 82 TC 29
PITTSFIELD* SUNNY 85 49 28 SW10 29.80F HX 82 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-212100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 79 42 26 MISG 29.78F TC 26
BLOOMINGTON SUNNY 81 46 29 SW15 29.80F HX 80 TC 27
DECATUR SUNNY 80 47 31 S12 29.80F TC 27
PEORIA SUNNY 81 46 29 SW13 29.77F HX 80 TC 27
LACON* SUNNY 78 45 30 SW12 29.76F TC 26
LINCOLN* SUNNY 83 40 21 S5 29.79F HX 81 TC 28
SPRINGFIELD SUNNY 84 46 26 SW12 29.79F HX 82 TC 29
TAYLORVILLE SUNNY 82 48 30 S9 29.81F HX 81 TC 28
ILZ033-039-045-046-055>057-062-063-212100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 81 44 27 S10G22 29.81F HX 80 TC 27
DANVILLE* MOSUNNY 78 44 30 SW7 29.83F TC 25
RANTOUL* SUNNY 78 43 28 SW8 29.81F TC 26
MATTOON SUNNY 78 48 34 S14 29.82F TC 26
PARIS* SUNNY 78 46 31 CALM 29.83F TC 26
ILZ079-100>102-212100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 48 28 SW9 29.82F HX 82 TC 29
BELLEVILLE SUNNY 84 56 37 S8 29.79F HX 83 TC 29
CAHOKIA* SUNNY 84 52 33 S3 29.80F HX 82 TC 29
SPARTA* SUNNY 82 53 37 SE3 29.83F HX 81 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 57 42 CALM 29.82F HX 82 TC 28
CAIRO* SUNNY 84 61 45 SW9G17 29.84F HX 84 TC 29
EFFINGHAM* SUNNY 81 50 34 SE7 29.84F HX 80 TC 27
MARION SUNNY 82 57 42 CALM 29.83F HX 82 TC 28
MT. VERNON N/A 83 50 31 S6 29.83F HX 81 TC 28
CENTRALIA* SUNNY 84 48 28 S7 29.82F HX 82 TC 29
SALEM* SUNNY 84 46 26 SE5 29.82F HX 82 TC 29
METROPOLIS* SUNNY 82 59 45 CALM 29.85F HX 82 TC 28
ILZ067-068-072-073-078-083-087-091-212100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 80 46 30 S6 29.83F TC 27
FLORA* SUNNY 81 50 34 S8 29.83F HX 80 TC 27
FAIRFIELD* SUNNY 81 51 35 SE6 29.83F HX 80 TC 27
HARRISBURG* SUNNY 81 54 39 CALM 29.84F HX 80 TC 27
ROBINSON* SUNNY 79 48 34 SW7 29.83F TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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