448
ASUS43 KLOT 181801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CST THU DEC 18 2025
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 CLOUDY 38 36 92 W12 29.39F WCI 30 TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 52; 6HR PCP: 0.29;
STERLING* CLOUDY 38 38 100 W16 29.36R WCI 29 TC 3
SAVANNA* RAIN 37 36 93 W12G20 29.37S WCI 30 TC 3
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD RAIN 44 43 96 SW20G31 29.31R FOG TC 7
6HR MIN TEMP: 38; 6HR MAX TEMP: 45; 6HR PCP: 0.10;
DE KALB* DRZL/FOG 42 42 100 S20 29.28F VSB<1/4 TC 6
PERU* RAIN 41 40 97 W18G35 29.37R TC 5
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 50 46 86 S24G35 29.31F TC 10
6HR MIN TEMP: 44; 6HR MAX TEMP: 50; 6HR PCP: 0.03;
CHICAGO-MIDWAY CLOUDY 51 47 86 S22G35 29.34F TC 11
6HR MIN TEMP: 45; 6HR MAX TEMP: 51; 6HR PCP: 0.02;
AURORA CLOUDY 46 46 100 S21G31 29.30F FOG TC 8
6HR MIN TEMP: 40; 6HR MAX TEMP: 46; 6HR PCP: 0.01;
JOLIET* CLOUDY 51 49 93 S21G38 29.34F TC 11
WAUKEGAN CLOUDY 49 47 93 S18G30 29.30F TC 9
6HR MIN TEMP: 43; 6HR MAX TEMP: 49;
DUPAGE AIRPORT CLOUDY 49 47 93 S25G37 29.30F TC 9
6HR MIN TEMP: 41; 6HR MAX TEMP: 49; 6HR PCP: TRACE;
KANKAKEE* CLOUDY 51 48 90 S24G38 29.40F TC 11
WHEELING CLOUDY 50 47 89 S25G37 29.32F TC 10
6HR MIN TEMP: 44; 6HR MAX TEMP: 50; 6HR PCP: TRACE;
MORRIS* CLOUDY 49 49 100 S23 29.32F TC 10
ROMEOVILLE* CLOUDY 50 50 100 S24G40 29.35F TC 10
LANSING* CLOUDY 50 44 80 S26G33 29.39F TC 10
NORTHERLY ISL* N/A 51 46 83 S20 N/A TC 11
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 49 190/ 34/ 38 N/A
NORTHERLY ISL 50 190/ 17/ 26 N/A
CALUMET HARBOR 50 170/ 19/ 27 995.1
BURNS HARBOR 51 180/ 11/ 19 997.0F
MICHIGAN CITY 51 170/ 23/ 28 995.6F
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 PTSUNNY 41 38 89 W13G22 29.51R TC 5
GALESBURG* LGT RAIN 38 38 100 W14 29.44S WCI 29 TC 3
MACOMB* LGT RAIN 38 37 96 NW13 29.47F WCI 31 TC 4
JACKSONVILLE* CLOUDY 41 41 99 NW20G28 29.49R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 51 49 93 S30G37 29.35F TC 11
BLOOMINGTON LGT RAIN 53 53 100 S32G44 29.34F TC 12
DECATUR CLOUDY 54 51 90 S29G41 29.42F TC 12
PEORIA HVY RAIN 41 39 93 NW10G22 29.42R FOG TC 5
6HR MIN TEMP: 41; 6HR MAX TEMP: 53; 6HR PCP: 0.19;
LACON* RAIN 40 38 91 NW14G24 29.41R TC 5
LINCOLN* RAIN 55 53 94 SW15G35 29.40S TC 13
SPRINGFIELD RAIN 44 42 93 NW17G46 29.45 FOG TC 7
6HR MIN TEMP: 44; 6HR MAX TEMP: 54; 6HR PCP: 0.15;
TAYLORVILLE CLOUDY 54 51 92 S22G30 29.43F TC 12
6HR MIN TEMP: 51; 6HR MAX TEMP: 54;
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 50 49 96 S31G46 29.44F TC 10
DANVILLE* CLOUDY 51 48 90 S25G33 29.48F TC 11
RANTOUL* CLOUDY 47 46 98 S25G35 29.44F TC 8
MATTOON CLOUDY 51 49 92 S20G41 29.49F TC 11
PARIS* CLOUDY 50 49 96 S28G36 29.53F TC 10
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 58 54 86 S14G28 29.46F TC 14
SPARTA* CLOUDY 55 55 98 S16 29.53F 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 LGT RAIN 55 54 96 S15G24 29.57F TC 13
6HR MIN TEMP: 53; 6HR MAX TEMP: 56; 6HR PCP: 0.05;
CAIRO* CLOUDY 58 56 93 S16G23 29.62F VSB 3/4 TC 14
EFFINGHAM* LGT RAIN 52 52 99 SE14G22 29.54F TC 11
MARION LGT RAIN 55 54 94 S16G25 29.60F TC 13
MT. VERNON RAIN N/A N/A N/A S16G26 29.55F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* RAIN 55 53 93 S16G24 29.53F TC 13
METROPOLIS* CLOUDY 57 55 94 S13G20 29.63F TC 14
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 52 49 89 S25G33 29.60F TC 11
FLORA* LGT RAIN 54 54 100 S20G26 29.57F FOG TC 12
FAIRFIELD* DRIZZLE 53 51 92 S14G25 29.59F TC 12
HARRISBURG* RAIN 55 52 90 S13G20 29.61F TC 13
ROBINSON* CLOUDY 52 50 93 S23G31 29.57F TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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