667
ASUS43 KLOT 180801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 26 21 81 S12 30.00F WCI 16 TC -3
STERLING* FLURRIES 24 21 88 SE7 30.05F WCI 16 TC -4
SAVANNA* CLOUDY 24 19 83 S8 30.04F WCI 15 TC -5
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 23 19 85 SE9 30.06F FOG WCI 13
FREEPORT* CLOUDY 23 20 89 S10 30.04F WCI 12 TC -5
ROCHELLE* CLOUDY 24 19 82 S14 30.06F WCI 11 TC -5
DE KALB* LGT SNOW 22 20 93 S15 30.05F WCI 9 TC -6
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FLURRIES 23 19 85 S9 30.08F WCI 13 TC -5
CHICAGO-MIDWAY LGT SNOW 24 20 84 S10 30.10F FOG WCI 14
AURORA LGT SNOW 23 20 88 S13 30.07F FOG WCI 11
JOLIET* HVY RAIN 26 23 91 S8 30.11F WCI 17 TC -4
WAUKEGAN CLOUDY 22 18 85 S8 30.07F WCI 12 TC -6
DUPAGE AIRPORT LGT SNOW 23 20 88 S13 30.07F FOG WCI 11
WHEELING CLOUDY 24 20 84 S12 30.10F WCI 13 TC -4
MORRIS* LGT SNOW 25 21 87 S9 30.10F WCI 15 TC -4
LANSING* FLURRIES 23 19 84 S8 30.13F WCI 14 TC -5
NORTHERLY ISL* N/A 23 19 85 SE9 N/A WCI 13 TC -5
LMZ740>746-180900-
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 24 170/ 6/ 16 N/A
CALUMET HARBOR 24 160/ 10/ 14 1019.7
BURNS HARBOR 25 180/ 6/ 10 1020.7F
MICHIGAN CITY 25 170/ 10/ 12 1021.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 30 22 72 SE12 30.00F WCI 20 TC -1
GALESBURG* CLOUDY 26 26 100 S10G16 30.02F WCI 16 TC -3
MACOMB* CLOUDY 28 24 87 SE10 30.05S WCI 18 TC -2
JACKSONVILLE* CLOUDY 29 21 72 SE9 30.05F WCI 21 TC -1
PITTSFIELD* CLOUDY 32 23 69 SE7 30.03F WCI 25 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 26 20 79 NE14 30.10F WCI 14 TC -3
BLOOMINGTON CLOUDY 24 22 91 S16 30.07F WCI 11 TC -4
DECATUR CLOUDY 26 20 77 SE13 30.09F WCI 15 TC -3
PEORIA CLOUDY 25 22 88 S14 30.06F WCI 13 TC -4
LACON* CLOUDY 25 19 80 S12G17 30.07F WCI 14 TC -4
LINCOLN* CLOUDY 27 20 75 SE9G16 30.08F WCI 18 TC -3
SPRINGFIELD CLOUDY 28 21 75 S14 30.07F WCI 17 TC -2
TAYLORVILLE CLOUDY 28 19 69 SE13 30.08F WCI 18 TC -2
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 26 19 74 SE15 30.12F WCI 14 TC -3
DANVILLE* CLOUDY 26 17 70 S10 30.16F WCI 16 TC -3
RANTOUL* CLOUDY 25 19 77 S13 30.11F WCI 14 TC -4
MATTOON CLOUDY 27 17 66 SE14 30.11F WCI 16 TC -3
PARIS* CLOUDY 26 18 71 SE13 30.17F WCI 15 TC -3
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 35 19 53 S10 30.07F WCI 27 TC 2
CAHOKIA* CLOUDY 35 18 49 S8 30.07F WCI 29 TC 2
SPARTA* CLOUDY 34 17 50 SE7 30.11F WCI 28 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 35 16 45 S13 30.13F WCI 26 TC 2
CAIRO* CLOUDY 38 22 52 SE9 30.17F WCI 31 TC 3
EFFINGHAM* CLOUDY 29 19 65 E10 30.16F WCI 20 TC -2
MARION CLOUDY 34 14 43 SE7 30.16F WCI 28 TC 1
MT. VERNON N/A 32 18 56 SE8 30.14F WCI 25 TC 0
CENTRALIA* CLOUDY 32 18 56 SE9 30.11F WCI 25 TC 0
SALEM* CLOUDY 32 18 56 SE12 30.12F WCI 23 TC 0
ILZ067-068-072-073-078-083-087-091-180900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 29 17 61 SE10 30.19F WCI 20 TC -2
FLORA* CLOUDY 30 19 64 SE13 30.16F WCI 20 TC -1
FAIRFIELD* CLOUDY 32 19 59 SE9 30.16F WCI 24 TC 0
HARRISBURG* CLOUDY 33 20 58 SE8 30.18S WCI 26 TC 1
ROBINSON* CLOUDY 28 18 64 SE13 30.18F WCI 18 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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