711
ASUS43 KLOT 180501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT WED MAR 18 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.
ILZ001-002-007-009-015-016-024-180600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 24 18 77 S12 30.07F WCI 13 TC -4
STERLING* FLURRIES 21 18 88 VRB6 30.11F WCI 13 TC -6
SAVANNA* CLOUDY 21 15 79 S10 30.09F WCI 10 TC -6
ILZ003-004-008-010-011-017-018-180600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 20 15 81 S9 30.13F WCI 9 TC -7
FREEPORT* CLOUDY 20 17 85 S13 30.11F WCI 8 TC -6
ROCHELLE* LGT SNOW 22 17 81 S13 30.12F WCI 10 TC -6
DE KALB* LGT SNOW 22 17 83 S15 30.14S WCI 8 TC -6
ILZ005-006-012>014-019>023-180600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 24 12 60 S8 30.14F WCI 15 TC -4
CHICAGO-MIDWAY CLOUDY 25 13 60 SW14 30.16F WCI 13 TC -4
AURORA LGT SNOW 23 16 74 S15 30.15S WCI 10 TC -5
JOLIET* CLOUDY 27 18 70 S10G16 30.18F WCI 17 TC -3
WAUKEGAN CLOUDY 21 10 62 S7 30.13F WCI 12 TC -6
DUPAGE AIRPORT CLOUDY 23 14 68 S15 30.14F WCI 10 TC -5
WHEELING CLOUDY 24 13 62 S12 30.16F WCI 13 TC -4
MORRIS* MOCLDY 26 16 64 S16 30.17F WCI 14 TC -3
ROMEOVILLE* MIX PCPN 25 19 80 S15 30.18S WCI 12 TC -4
LANSING* CLOUDY 25 15 65 SW12 30.19S WCI 14 TC -4
NORTHERLY ISL* N/A 24 13 62 S14 N/A WCI 12 TC -4
LMZ740>746-180600-
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 25 190/ 18/ 19 N/A
NORTHERLY ISL 24 210/ 7/ 14 N/A
CALUMET HARBOR 25 170/ 8/ 12 1021.3
BURNS HARBOR 24 190/ 6/ 8 1022.7S
MICHIGAN CITY 24 170/ 6/ 8 1023.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-180600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 27 23 85 SE12 30.05F WCI 17 TC -3
MACOMB* CLOUDY 26 22 85 S14 30.11S WCI 14 TC -3
PITTSFIELD* CLOUDY 30 24 78 SE10 30.09F WCI 21 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-180600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 26 16 67 W14 30.18F WCI 14 TC -3
BLOOMINGTON FLURRIES 24 20 84 S16 30.16F WCI 11 TC -4
DECATUR LGT SNOW 25 19 78 S10 30.19F WCI 15 TC -4
PEORIA LGT SNOW 24 21 88 S13 30.13F FOG WCI 12
LACON* FLURRIES 24 18 77 S12 30.14F WCI 13 TC -4
LINCOLN* LGT SNOW 27 18 70 S10 30.16F WCI 17 TC -3
SPRINGFIELD FLURRIES 26 23 88 SE10 30.14F WCI 16 TC -3
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 26 16 65 S14 30.20F WCI 14 TC -3
DANVILLE* CLOUDY 26 15 65 S12 30.22F WCI 15 TC -4
MATTOON CLOUDY 27 16 63 S9 30.21R WCI 18 TC -3
PARIS* CLOUDY 25 15 65 CALM 30.23F TC -4
ILZ079-100>102-180600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 35 20 55 S10 30.15F WCI 27 TC 2
CAHOKIA* CLOUDY 34 19 54 SE13 30.13F WCI 25 TC 1
SPARTA* CLOUDY 34 17 49 SE9 30.18F WCI 26 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 34 16 47 SE8 30.20S WCI 27 TC 1
CAIRO* CLOUDY 37 19 49 SE8 30.21F WCI 30 TC 3
MARION CLOUDY 33 12 42 SE5 30.23R WCI 29 TC 1
MT. VERNON N/A 32 17 54 SE5 30.23S WCI 27 TC 0
CENTRALIA* CLOUDY 32 19 58 CALM 30.22S TC 0
SALEM* CLOUDY 32 15 50 SE5 30.22S WCI 27 TC 0
ILZ067-068-072-073-078-083-087-091-180600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 28 15 58 SE6 30.26S WCI 22 TC -2
FLORA* FLURRIES 30 18 59 SE6 30.25S WCI 24 TC -1
FAIRFIELD* CLOUDY 31 17 57 SE3 30.24S TC -1
HARRISBURG* CLOUDY 33 18 53 SE5 30.23F WCI 28 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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