809
ASUS43 KLOT 180710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 25 20 81 S8 30.02F WCI 16 TC -4
STERLING* FLURRIES 23 20 88 VRB6 30.07F WCI 16 TC -5
SAVANNA* LGT SNOW 23 18 83 S10 30.06S WCI 12 TC -5
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 22 19 89 SE10 30.07F FOG WCI 11
FREEPORT* CLOUDY 22 20 90 S12 30.06F WCI 11 TC -5
ROCHELLE* LGT SNOW 23 19 83 S13 30.08F WCI 11 TC -5
DE KALB* LGT SNOW 22 19 91 S15 30.08F WCI 8 TC -6
PERU* CLOUDY 26 21 81 S13 30.09F WCI 15 TC -3
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 23 19 85 S7 30.10F FOG WCI 15
CHICAGO-MIDWAY LGT SNOW 24 19 81 S8 30.13F FOG WCI 15
AURORA LGT SNOW 23 20 88 S13 30.09F FOG WCI 11
JOLIET* LGT SNOW 26 21 81 S6 30.13F WCI 19 TC -3
WAUKEGAN CLOUDY 22 16 78 S9 30.10F WCI 12 TC -6
DUPAGE AIRPORT LGT SNOW 23 19 85 S12 30.09F FOG WCI 12
KANKAKEE* FLURRIES 26 17 71 S9 30.15F WCI 16 TC -4
WHEELING LGT SNOW 23 19 85 S10 30.12F FOG WCI 12
MORRIS* LGT SNOW 25 19 79 S10 30.11F WCI 15 TC -4
ROMEOVILLE* MIX PCPN 23 21 93 S12 30.13F FOG WCI 12
LANSING* FLURRIES 24 17 75 S12 30.16F WCI 13 TC -4
NORTHERLY ISL* N/A 23 18 81 S12 N/A WCI 12 TC -5
LMZ740>746-180800-
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 24 190/ 18/ 21 N/A
NORTHERLY ISL 24 190/ 10/ 17 N/A
CALUMET HARBOR 24 170/ 10/ 12 1020.4
BURNS HARBOR 25 190/ 9/ 11 1021.3F
MICHIGAN CITY 25 170/ 10/ 12 1021.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 29 23 78 SE12 30.01F WCI 19 TC -2
GALESBURG* CLOUDY 25 25 100 S12 30.05F WCI 14 TC -4
MACOMB* CLOUDY 27 24 88 SE13 30.08S WCI 16 TC -3
JACKSONVILLE* CLOUDY 29 22 75 SE10 30.07F WCI 19 TC -2
PITTSFIELD* CLOUDY 31 23 71 SE8 30.06S WCI 24 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 25 20 79 NE13 30.12S WCI 14 TC -4
BLOOMINGTON FLURRIES 24 22 91 S17 30.10F WCI 11 TC -4
DECATUR CLOUDY 26 21 81 S13 30.13F WCI 15 TC -3
PEORIA CLOUDY 25 22 88 S13 30.08F WCI 14 TC -4
LACON* CLOUDY 25 19 78 S14 30.09S HAZE WCI 13
LINCOLN* CLOUDY 26 21 79 S15 30.10F WCI 14 TC -3
SPRINGFIELD CLOUDY 27 23 85 SE12 30.10F WCI 17 TC -3
TAYLORVILLE CLOUDY 27 21 80 SE12 30.10F WCI 16 TC -3
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 25 20 81 S15 30.14F WCI 13 TC -4
DANVILLE* CLOUDY 26 17 68 SE9 30.18F WCI 16 TC -3
RANTOUL* MIX PCPN 25 19 77 S12 30.15F WCI 14 TC -4
MATTOON CLOUDY 27 17 66 SE10 30.14F WCI 17 TC -3
PARIS* CLOUDY 26 17 69 CALM 30.18F TC -3
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 33 18 55 SE14 30.09F WCI 23 TC 1
BELLEVILLE CLOUDY 35 19 52 S13 30.10F WCI 26 TC 1
CAHOKIA* CLOUDY 35 17 47 S12 30.09F WCI 27 TC 2
SPARTA* CLOUDY 33 17 51 SE9 30.13S WCI 26 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 35 16 45 S10 30.15F WCI 27 TC 2
CAIRO* CLOUDY 37 20 50 SE10 30.18F WCI 30 TC 3
EFFINGHAM* CLOUDY 29 19 67 E10 30.18S WCI 19 TC -2
MARION CLOUDY 33 14 45 SE8 30.16F WCI 26 TC 1
MT. VERNON N/A 32 19 58 SE7 30.16F WCI 26 TC 0
CENTRALIA* CLOUDY 32 19 59 SE9 30.14F WCI 24 TC 0
SALEM* CLOUDY 32 17 55 SE8 30.14F WCI 25 TC 0
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 29 16 58 SE13 30.21F WCI 19 TC -2
FLORA* CLOUDY 30 19 64 SE12 30.18S WCI 21 TC -1
FAIRFIELD* CLOUDY 31 19 60 SE9 30.18F WCI 23 TC 0
HARRISBURG* CLOUDY 33 19 56 SE10 30.18F WCI 25 TC 1
ROBINSON* CLOUDY 28 18 64 SE10 30.19F WCI 19 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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