255
ASUS43 KLOT 181807
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 39 27 62 SW6 29.97F WCI 35 TC 4
6HR MIN TEMP: 24; 6HR MAX TEMP: 39;
STERLING* SUNNY 38 27 64 SW9 29.99F WCI 31 TC 3
SAVANNA* SUNNY 36 25 65 S5 29.99F WCI 32 TC 2
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 34 25 69 S8 30.00S WCI 27 TC 1
6HR MIN TEMP: 25; 6HR MAX TEMP: 34; 6HR PCP: TRACE;
FREEPORT* SUNNY 34 25 69 SW12 30.00S WCI 25 TC 1
ROCHELLE* SUNNY 36 27 70 S9 29.99F WCI 29 TC 2
DE KALB* CLOUDY 33 28 79 S14 29.99F WCI 24 TC 1
PERU* SUNNY 41 29 61 S12 29.99F TC 5
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 37 24 59 SW15G23 29.99F WCI 28 TC 3
6HR MIN TEMP: 24; 6HR MAX TEMP: 37; 6HR PCP: TRACE;
CHICAGO-MIDWAY MOSUNNY 37 26 64 S12G26 30.01F WCI 29 TC 3
6HR MIN TEMP: 25; 6HR MAX TEMP: 38; 6HR PCP: TRACE;
AURORA CLOUDY 37 27 67 S10 30.00R WCI 30 TC 3
6HR MIN TEMP: 25; 6HR MAX TEMP: 37;
JOLIET* PTSUNNY 42 31 66 SW8G20 30.02S TC 6
WAUKEGAN CLOUDY 34 23 64 SW12 29.99S WCI 25 TC 1
6HR MIN TEMP: 24; 6HR MAX TEMP: 34; 6HR PCP: TRACE;
DUPAGE AIRPORT PTSUNNY 36 27 69 S12 29.99F WCI 28 TC 2
6HR MIN TEMP: 24; 6HR MAX TEMP: 36;
KANKAKEE* SUNNY 42 29 60 SW12 30.03F TC 6
WHEELING MOSUNNY 37 25 61 SW12 30.01S WCI 29 TC 3
6HR MIN TEMP: 25; 6HR MAX TEMP: 37; 6HR PCP: TRACE;
MORRIS* SUNNY 41 31 67 SW12 30.00S TC 5
ROMEOVILLE* MOSUNNY 37 36 93 S12G18 30.02S WCI 30 TC 3
LANSING* MOSUNNY 37 28 69 SW16G23 30.03S WCI 28 TC 3
NORTHERLY ISL* N/A 36 25 65 S13 N/A WCI 27 TC 2
LMZ740>746-181900-
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 34 210/ 21/ 23 N/A
NORTHERLY ISL 34 210/ 11/ 17 N/A
CALUMET HARBOR 35 170/ 10/ 18 1016.2
BURNS HARBOR 34 200/ 10/ 13 1017.6F
MICHIGAN CITY 32 170/ 14/ 18 1017.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 51 30 44 NW5 30.00R TC 11
GALESBURG* SUNNY 44 36 73 SW10 30.00S TC 7
MACOMB* SUNNY 47 32 55 W8 30.02R TC 8
JACKSONVILLE* SUNNY 54 30 41 W5 30.00R TC 12
PITTSFIELD* SUNNY 55 32 40 W7 30.02R TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 45 31 57 SE12 30.01R TC 7
BLOOMINGTON SUNNY 46 33 60 SW14 30.00F TC 8
DECATUR SUNNY 49 32 52 SW15 30.01F TC 9
PEORIA SUNNY 46 30 53 SW8 30.00S TC 8
6HR MIN TEMP: 28; 6HR MAX TEMP: 46;
LACON* SUNNY 43 28 54 SW9 29.99F TC 6
LINCOLN* SUNNY 51 27 40 SW6 30.01R TC 10
SPRINGFIELD SUNNY 51 33 50 W12 30.01S TC 11
6HR MIN TEMP: 32; 6HR MAX TEMP: 52;
TAYLORVILLE SUNNY 52 36 54 SW14 30.01F TC 11
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 46 32 58 S18G26 30.01F TC 8
DANVILLE* SUNNY 44 31 61 S18G28 30.04F TC 7
RANTOUL* SUNNY 45 31 59 S15 30.01F TC 7
MATTOON SUNNY 47 31 53 S16G23 30.02F TC 8
PARIS* SUNNY 44 31 60 S17 30.06F TC 7
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 57 30 35 SW8G16 30.01F TC 14
BELLEVILLE SUNNY 59 32 37 SW10 30.01F TC 15
CAHOKIA* SUNNY 59 30 33 SW8 30.00F TC 15
SPARTA* SUNNY 55 33 43 S12 30.06F TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 56 32 40 SW15 30.08S TC 13
6HR MIN TEMP: 38; 6HR MAX TEMP: 56; 6HR PCP: TRACE;
CAIRO* SUNNY 56 33 41 SW13G25 30.13F TC 13
EFFINGHAM* SUNNY 52 32 46 S20 30.05F TC 11
MARION SUNNY 54 30 40 S17G25 30.08F TC 12
MT. VERNON N/A 55 35 47 S15 30.06F TC 13
CENTRALIA* SUNNY 54 33 44 S13 30.05F TC 12
SALEM* SUNNY 55 33 44 S13G20 30.04F TC 13
METROPOLIS* N/A 55 30 38 S10G21 N/A TC 13
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 49 33 54 S18G26 30.08F TC 9
FLORA* SUNNY 52 32 46 SW18 30.06F TC 11
FAIRFIELD* SUNNY 53 31 42 S16 30.08F TC 12
HARRISBURG* MOSUNNY 54 28 37 S13 30.09F TC 12
ROBINSON* SUNNY 48 32 53 S17 30.07F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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