146
ASUS43 KLOT 220210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-220300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 75 46 35 S13 29.63F TC 24
STERLING* CLEAR 71 46 40 VRB5 29.65F TC 22
SAVANNA* PTCLDY 64 48 56 S6 29.62F TC 18
ILZ003-004-008-010-011-017-018-220300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 47 52 S10 29.64F TC 18
FREEPORT* CLEAR 71 45 38 SW16 29.64S TC 22
ROCHELLE* CLEAR 62 47 58 S13 29.65F TC 17
DE KALB* CLEAR 65 49 55 SW13 29.66F TC 19
PERU* CLEAR 70 47 44 S12 29.68S TC 21
ILZ005-006-012>014-019>023-220300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 45 37 SW12 29.63F TC 22
CHICAGO-MIDWAY MOCLDY 71 45 39 SW10 29.66F TC 22
AURORA CLEAR 68 47 46 S12 29.65F TC 20
JOLIET* PTCLDY 69 46 43 SW5 29.68F TC 21
WAUKEGAN PTCLDY 65 47 52 SW10 29.61F TC 18
DUPAGE AIRPORT CLEAR 71 46 40 S14 29.64F TC 22
KANKAKEE* PTCLDY 71 45 39 SW12 29.73S TC 22
WHEELING PTCLDY 71 45 39 SW10 29.64F TC 22
MORRIS* PTCLDY 65 47 52 CALM 29.68F TC 18
ROMEOVILLE* CLEAR 66 48 52 S12 29.68F TC 19
LANSING* PTCLDY 63 45 51 SW6 29.68F TC 17
NORTHERLY ISL* N/A 72 41 32 S5 N/A TC 22
LMZ740>746-220300-
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 76 220/ 25/ 30 N/A
NORTHERLY ISL 72 190/ 3/ 9 N/A
CALUMET HARBOR 72 200/ 9/ 11 1004.3
BURNS HARBOR 68 190/ 7/ 8 1005.8S
MICHIGAN CITY 70 190/ 13/ 15 1003.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-220300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 71 44 37 S6 29.72S TC 22
GALESBURG* CLEAR 70 52 53 S7 29.70F TC 21
MACOMB* CLEAR 67 46 46 S8 29.72F TC 19
JACKSONVILLE* PTCLDY 73 46 37 S8 29.74S TC 23
PITTSFIELD* CLEAR 73 48 40 S7 29.75S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-220300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 71 43 36 MISG 29.72F TC 22
BLOOMINGTON PTCLDY 63 47 55 S12 29.76S TC 17
DECATUR CLEAR 69 47 45 S10 29.77R TC 21
PEORIA PTCLDY 69 46 43 S9 29.71F TC 21
LACON* CLEAR 71 43 36 S6 29.69S TC 22
LINCOLN* PTCLDY 69 46 44 S5 29.75S TC 20
SPRINGFIELD PTCLDY 70 50 49 S12 29.75R TC 21
TAYLORVILLE CLEAR 70 50 49 S9 29.77S TC 21
ILZ033-039-045-046-055>057-062-063-220300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 63 50 62 S12 29.78R TC 17
DANVILLE* PTCLDY 67 49 52 SW10 29.78S TC 20
RANTOUL* PTCLDY 65 47 50 S7 29.77R TC 19
MATTOON CLEAR 70 49 47 S7 29.78R TC 21
PARIS* CLEAR 59 48 67 CALM 29.79S TC 15
ILZ079-100>102-220300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 50 55 S8 29.77S TC 19
BELLEVILLE CLEAR 71 55 55 CALM 29.76R TC 22
CAHOKIA* CLEAR 73 53 49 S5 29.76 TC 23
SPARTA* CLEAR 74 57 55 SE6 29.81R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 72 58 61 S8 29.80R TC 22
CAIRO* CLEAR 75 60 59 S8 29.83R TC 24
EFFINGHAM* PTCLDY 72 49 44 SE5 29.81S TC 22
MARION CLEAR 69 56 63 S6 29.82S TC 21
MT. VERNON N/A 64 54 69 CALM 29.81R TC 18
CENTRALIA* CLEAR 64 53 68 SE5 29.79S TC 18
SALEM* PTCLDY 72 50 46 CALM 29.80S TC 22
METROPOLIS* CLEAR 73 57 56 CALM 29.84R TC 23
ILZ067-068-072-073-078-083-087-091-220300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 64 53 67 S9 29.81R TC 18
FLORA* PTCLDY 63 55 77 S7 29.81S TC 17
FAIRFIELD* CLEAR 70 54 56 S3 29.81S TC 21
HARRISBURG* CLEAR 69 57 63 CALM 29.82S TC 21
ROBINSON* CLEAR 63 52 67 S7 29.79F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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