Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 222012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT WED JUL 22 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-222100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 73 54 51 N9 30.10S TC 23
STERLING* MOSUNNY 74 50 42 CALM 30.12S TC 23
SAVANNA* PTSUNNY 71 49 46 N8 30.12S TC 22
$$
ILZ003-004-008-010-011-017-018-222100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 72 48 42 VRB6 30.11F TC 22
FREEPORT* CLOUDY 71 51 47 NE8 30.14S TC 22
ROCHELLE* PTSUNNY 71 47 42 NE5 30.12S TC 21
DE KALB* PTSUNNY 72 50 45 E3 30.12S TC 22
$$
ILZ005-006-012>014-019>023-222100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 72 43 35 N12G18 30.10S TC 22
CHICAGO-MIDWAY PTSUNNY 71 49 45 NE13G21 30.10S TC 22
AURORA PTSUNNY 73 52 47 VRB7 30.10S TC 23
JOLIET* CLOUDY 74 54 48 E9 30.09S TC 24
WAUKEGAN MOSUNNY 71 49 45 E8 30.09F TC 22
DUPAGE AIRPORT CLOUDY 71 52 50 NE10 30.09F TC 22
KANKAKEE* PTSUNNY 71 53 51 NE15 30.10R TC 22
WHEELING SUNNY 71 44 37 E8G21 30.12S TC 22
LANSING* PTSUNNY 68 50 53 N8G16 30.11S TC 20
NORTHERLY ISL* N/A 71 50 47 N10 N/A TC 22
$$
LMZ740>746-222100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 68 72 1019.9 3/ 6
WAUKEGAN HARBOR 67 72 1019.1 3/ 6
WILMETTE BUOY 67 60/ 10/ 14 1022.1F 3/ 5
CHICAGO BUOY 73 N/A 4/ 6
HARRISON CRIB 67 20/ 13/ 16 N/A
NORTHERLY ISL 72 30/ 11/ 14 N/A
CALUMET HARBOR 68 360/ 13/ 15 1019.5
BURNS HARBOR 1019.6F
MICHIGAN CITY 68 360/ 15/ 18 1018.0F
MICH CITY BUOY 67 74 360/ 12/ 19 N/A 4/ 6
ST. JOSEPH BUOY 66 71 340/ 12/ 16 1019.7F 4/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-222100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 77 59 53 NE10 30.07F TC 25
GALESBURG* MOSUNNY 73 56 55 N8 30.11F TC 23
MACOMB* PTSUNNY 74 62 65 NE6 30.11S TC 23
JACKSONVILLE* PTSUNNY 76 59 54 NE7 30.07F TC 25
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-222100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 73 52 47 MISG 30.09S TC 23
BLOOMINGTON MOSUNNY 76 57 51 NW14 30.10S TC 24
DECATUR PTSUNNY 75 58 55 NE7 30.08F TC 24
PEORIA MOSUNNY 75 56 51 NW9 30.09F TC 24
LACON* MOSUNNY 73 52 47 N7G16 30.09S HAZE TC 23
SPRINGFIELD PTSUNNY 76 60 57 N7 30.07F TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-222100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 74 59 59 N12 30.08S TC 23
DANVILLE* CLOUDY 76 55 47 N8G16 30.08S VSB 3/4 TC 25
MATTOON MOSUNNY 75 57 53 N9 30.07F TC 24
PARIS* PTSUNNY 76 56 49 NE7 30.07F TC 24
$$
ILZ079-100>102-222100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 79 61 53 NE8G20 30.06 HX 80 TC 26
CAHOKIA* MOSUNNY 81 59 47 N10 30.04F HX 81 TC 27
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-222100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 81 64 57 N12G21 30.02F HX 82 TC 27
CAIRO* MOSUNNY 84 67 57 N8G17 30.00S HX 87 TC 29
EFFINGHAM* PTSUNNY 76 59 55 NW8 30.08F TC 25
MT. VERNON MOSUNNY 80 61 52 N8G18 30.05S HX 81 TC 27
CENTRALIA* MOSUNNY 82 61 49 N10 30.05S HX 82 TC 28
SALEM* PTSUNNY 80 64 57 MISG 30.05F HX 81 TC 27
METROPOLIS* MOSUNNY 83 64 54 N6 30.00S HX 84 TC 28
$$
ILZ067-068-072-073-078-083-087-091-222100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 77 58 51 N15 30.05S TC 25
FLORA* MOSUNNY 75 61 60 N9 30.06S TC 24
FAIRFIELD* PTSUNNY 77 59 55 N7G18 30.04S TC 25
HARRISBURG* MOSUNNY 82 66 59 NE8 30.03R HX 84 TC 28
ROBINSON* PTSUNNY 77 59 53 N13 30.05S TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$