241
ASUS43 KLOT 180610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-180700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 24 20 84 SE9 30.05F WCI 14 TC -4
6HR MIN TEMP: 21; 6HR MAX TEMP: 24;
STERLING* MOCLDY 23 20 88 SE6 30.10F WCI 16 TC -5
SAVANNA* CLOUDY 22 17 81 S8 30.08F WCI 12 TC -6
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 21 17 84 S8 30.11F FOG WCI 11
6HR MIN TEMP: 19; 6HR MAX TEMP: 21; 6HR PCP: 0.02;
FREEPORT* CLOUDY 21 17 86 S10 30.09F WCI 10 TC -6
ROCHELLE* CLOUDY 23 17 79 S13 30.10F WCI 11 TC -5
DE KALB* LGT SNOW 21 19 91 S12 30.11F WCI 10 TC -6
PERU* CLOUDY 26 20 79 S14 30.10F WCI 14 TC -4
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 23 18 81 S9 30.12F WCI 13 TC -5
6HR MIN TEMP: 22; 6HR MAX TEMP: 24; 6HR PCP: TRACE;
CHICAGO-MIDWAY LGT SNOW 24 18 77 S12 30.15F FOG WCI 13
6HR MIN TEMP: 22; 6HR MAX TEMP: 25; 6HR PCP: TRACE;
AURORA LGT SNOW 23 19 85 S15 30.11F FOG WCI 10
6HR MIN TEMP: 20; 6HR MAX TEMP: 23; 6HR PCP: TRACE;
JOLIET* LGT SNOW 26 21 81 SW5 30.15F WCI 21 TC -3
WAUKEGAN CLOUDY 22 12 65 S10 30.12F WCI 11 TC -6
6HR MIN TEMP: 19; 6HR MAX TEMP: 22;
DUPAGE AIRPORT LGT SNOW 23 19 85 S12 30.11F FOG WCI 12
6HR MIN TEMP: 21; 6HR MAX TEMP: 23;
KANKAKEE* FLURRIES 26 17 68 S13 30.18F WCI 14 TC -4
WHEELING LGT SNOW 23 17 78 S12 30.14F WCI 12 TC -5
6HR MIN TEMP: 22; 6HR MAX TEMP: 24; 6HR PCP: TRACE;
MORRIS* FLURRIES 25 20 81 S13 30.13F WCI 13 TC -4
ROMEOVILLE* LGT SNOW 23 21 93 S15 30.15F FOG WCI 10
LANSING* CLOUDY 25 15 66 S16 30.18F WCI 12 TC -4
NORTHERLY ISL* N/A 24 15 68 S17 N/A WCI 11 TC -4
LMZ740>746-180700-
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/ 23/ 26 N/A
NORTHERLY ISL 25 190/ 8/ 14 N/A
CALUMET HARBOR 25 180/ 11/ 14 1021.1S
BURNS HARBOR 26 190/ 7/ 10 1022.4F
MICHIGAN CITY 24 180/ 8/ 11 1022.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-180700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 28 23 81 SE10 30.04F WCI 19 TC -2
GALESBURG* CLOUDY 24 24 100 S9 30.07F WCI 15 TC -4
MACOMB* CLOUDY 26 23 87 SE10G18 30.09F WCI 16 TC -3
JACKSONVILLE* CLOUDY 28 22 79 SE13G20 30.09F WCI 17 TC -2
PITTSFIELD* CLOUDY 31 24 75 SE9 30.07F WCI 23 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 26 18 71 W10 30.15F WCI 16 TC -3
BLOOMINGTON FLURRIES 24 21 88 S15 30.12F WCI 11 TC -4
DECATUR LGT SNOW 25 21 85 S12 30.15F FOG WCI 14
PEORIA FLURRIES 25 21 85 S12 30.10F WCI 14 TC -4
6HR MIN TEMP: 24; 6HR MAX TEMP: 26; 6HR PCP: 0.02;
LACON* CLOUDY 24 18 77 S10 30.10F WCI 14 TC -4
LINCOLN* LGT SNOW 26 21 79 S13 30.13F WCI 15 TC -3
SPRINGFIELD CLOUDY 26 23 88 SE17G23 30.11F WCI 13 TC -3
6HR MIN TEMP: 26; 6HR MAX TEMP: 28; 6HR PCP: 0.02;
TAYLORVILLE CLOUDY 27 21 80 SE10 30.14F WCI 17 TC -3
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 26 19 74 S14 30.16F WCI 14 TC -3
DANVILLE* CLOUDY 26 16 66 SE8 30.20F WCI 17 TC -3
RANTOUL* MIX PCPN 26 18 72 S12 30.17F WCI 15 TC -3
MATTOON CLOUDY 27 17 66 S14G20 30.16F WCI 16 TC -3
PARIS* CLOUDY 26 17 68 CALM 30.20F TC -4
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 32 19 58 SE12 30.11S WCI 23 TC 0
BELLEVILLE MOCLDY 34 19 55 S12 30.12F WCI 25 TC 1
CAHOKIA* CLOUDY 34 16 47 SE10G22 30.10F WCI 26 TC 1
SPARTA* CLOUDY 33 16 48 SE9 30.15F WCI 26 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 34 17 50 SE10 30.18F WCI 26 TC 1
6HR MIN TEMP: 34; 6HR MAX TEMP: 35;
CAIRO* CLOUDY 37 21 52 SE7 30.20F WCI 32 TC 3
EFFINGHAM* CLOUDY 28 19 67 E9 30.19F WCI 20 TC -2
MARION CLOUDY 33 13 43 SE7 30.20F WCI 27 TC 1
MT. VERNON N/A 32 18 56 SE7 30.18F WCI 26 TC 0
CENTRALIA* CLOUDY 32 19 59 SE9 30.16F WCI 24 TC 0
SALEM* CLOUDY 32 16 52 SE7 30.16F WCI 25 TC 0
ILZ067-068-072-073-078-083-087-091-180700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 29 17 61 SE8 30.24F WCI 21 TC -2
FLORA* CLOUDY 30 19 64 SE12 30.19F WCI 21 TC -1
FAIRFIELD* CLOUDY 31 18 60 E6 30.23F WCI 25 TC -1
HARRISBURG* CLOUDY 33 20 59 SE5 30.23F WCI 28 TC 1
ROBINSON* CLOUDY 28 16 59 SE8 30.22F WCI 20 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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