516
ASUS43 KLOT 220312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-220400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 75 45 34 S14 29.62F TC 24
STERLING* PTCLDY 70 46 42 VRB5 29.63F TC 21
SAVANNA* CLEAR 59 47 65 SE7 29.61F TC 15
ILZ003-004-008-010-011-017-018-220400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 65 46 50 S10 29.62F TC 18
FREEPORT* CLEAR 71 45 39 SW17 29.62F TC 22
ROCHELLE* CLEAR 62 46 55 S15 29.64S TC 17
DE KALB* PTCLDY 65 48 55 SW15 29.64F TC 18
ILZ005-006-012>014-019>023-220400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 44 36 SW14G21 29.62F TC 22
CHICAGO-MIDWAY MOCLDY 72 44 36 SW12G29 29.64F TC 22
AURORA PTCLDY 68 46 45 SW13 29.63F TC 20
JOLIET* PTCLDY 67 47 48 S7 29.66F TC 20
WAUKEGAN PTCLDY 63 46 54 SW7 29.61S TC 17
DUPAGE AIRPORT PTCLDY 70 45 40 SW15 29.63F TC 21
KANKAKEE* CLEAR 69 46 45 S12G18 29.71F TC 20
WHEELING PTCLDY 72 45 37 SW10 29.63F TC 22
MORRIS* PTCLDY 67 46 46 CALM 29.66F TC 19
ROMEOVILLE* PTCLDY 64 48 55 S13 29.66F TC 18
LANSING* PTCLDY 66 45 45 SW14 29.68S TC 19
NORTHERLY ISL* N/A 72 41 32 S10 N/A TC 22
LMZ740>746-220400-
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 75 210/ 25/ 27 N/A
NORTHERLY ISL 72 200/ 4/ 8 N/A
CALUMET HARBOR 71 190/ 9/ 11 1003.9
BURNS HARBOR 67 190/ 7/ 9 1005.1F
MICHIGAN CITY 70 170/ 14/ 17 1002.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-220400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 42 29 S9 29.71F TC 24
GALESBURG* CLEAR 67 51 56 S8 29.69F TC 20
MACOMB* CLEAR 70 46 43 S12 29.72S TC 21
JACKSONVILLE* CLEAR 72 47 41 S9 29.73F TC 22
PITTSFIELD* CLEAR 73 49 42 S8 29.74F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-220400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 69 44 41 MISG 29.71S TC 21
BLOOMINGTON PTCLDY 61 48 62 S12 29.74F TC 16
DECATUR PTCLDY 66 47 50 S10 29.76F TC 19
PEORIA CLEAR 67 47 48 S10 29.70F TC 19
LACON* PTCLDY 72 43 35 SW8 29.67F TC 22
LINCOLN* PTCLDY 66 47 50 S5 29.74F TC 19
SPRINGFIELD CLEAR 70 51 51 S12 29.74F TC 21
TAYLORVILLE PTCLDY 70 52 52 S10 29.76F TC 21
ILZ033-039-045-046-055>057-062-063-220400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 61 50 67 S12 29.77F TC 16
DANVILLE* CLEAR 66 49 54 SW12 29.77F TC 19
RANTOUL* PTCLDY 64 48 56 S7 29.76F TC 18
MATTOON PTCLDY 69 49 48 S7 29.78S TC 21
PARIS* PTCLDY 58 48 69 CALM 29.79S TC 15
ILZ079-100>102-220400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 50 52 SE8 29.77S TC 20
BELLEVILLE CLEAR 71 56 58 S3 29.76S TC 22
CAHOKIA* CLEAR 70 55 59 SE6 29.76S TC 21
SPARTA* CLEAR 74 58 57 S7 29.80F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 70 57 63 S7 29.80S TC 21
CAIRO* CLEAR 74 60 61 S9 29.84R TC 23
EFFINGHAM* PTCLDY 67 53 60 SE5 29.81S TC 19
MARION CLEAR 68 56 66 S6 29.82S TC 20
MT. VERNON N/A 63 55 75 CALM 29.81S TC 17
CENTRALIA* CLEAR 68 53 59 S8 29.80R TC 20
SALEM* CLEAR 71 51 49 CALM 29.80S TC 22
METROPOLIS* CLEAR 72 57 58 CALM 29.84S TC 22
ILZ067-068-072-073-078-083-087-091-220400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 63 53 70 S7 29.80F TC 17
FLORA* PTCLDY 64 55 72 S10 29.80F TC 18
FAIRFIELD* CLEAR 69 54 58 S3 29.81S TC 21
HARRISBURG* CLEAR 66 56 70 S3 29.82S TC 19
ROBINSON* PTCLDY 61 52 72 S6 29.79S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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