Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 100706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CST WED DEC 10 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-100800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 43 34 70 W25G40 29.36R TC 6
STERLING* CLOUDY 41 35 79 W26 29.30F TC 5
$$
ILZ003-004-008-010-011-017-018-100800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 40 34 79 SW15G25 29.26F TC 4
FREEPORT* CLOUDY 39 34 81 W10 29.29F WCI 32 TC 4
DE KALB* CLOUDY 40 34 78 SW16 29.28F TC 5
PERU* MOCLDY 43 34 71 SW17G25 29.33F TC 6
$$
ILZ005-006-012>014-019>023-100800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 39 33 79 SW18G29 29.27F WCI 30 TC 4
CHICAGO-MIDWAY CLOUDY 39 34 82 SW21G35 29.30F WCI 29 TC 4
AURORA CLOUDY 39 34 82 SW16 29.28F WCI 30 TC 4
JOLIET* CLOUDY 39 36 88 SW10 29.33F WCI 32 TC 4
WAUKEGAN LGT RAIN 38 35 89 SW18G28 29.24F WCI 28 TC 3
DUPAGE AIRPORT LGT RAIN 37 34 89 SW15 29.28F WCI 28 TC 3
WHEELING LGT RAIN 39 35 86 SW14G26 29.28F WCI 31 TC 4
MORRIS* CLOUDY 38 35 90 SW15G22 29.33F WCI 29 TC 3
ROMEOVILLE* CLOUDY 37 36 93 S18G25 29.31F WCI 27 TC 3
LANSING* LGT RAIN 36 30 80 SW21G30 29.35F WCI 25 TC 2
NORTHERLY ISL* N/A 38 33 82 S13 N/A WCI 30 TC 3
$$
LMZ740>746-100800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 40 210/ 30/ 38 N/A
NORTHERLY ISL 38 190/ 12/ 24 N/A
CALUMET HARBOR 38 180/ 15/ 23 992.3
BURNS HARBOR 40 210/ 15/ 21 993.6F
MICHIGAN CITY 39 190/ 28/ 34 992.4F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-100800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 46 38 73 SW16G29 29.51F TC 8
GALESBURG* CLOUDY 41 38 89 SW14G22 29.42R TC 5
MACOMB* CLOUDY 42 36 79 SW20 29.46F TC 6
JACKSONVILLE* CLOUDY 44 34 68 SW14 29.52S TC 7
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-100800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 39 33 77 SW21G32 29.38F WCI 29 TC 4
BLOOMINGTON LGT RAIN 37 34 89 SW22 29.44S WCI 26 TC 3
DECATUR CLOUDY 40 33 76 SW20G28 29.51S TC 4
PEORIA CLOUDY 43 36 76 SW14 29.41F TC 6
LINCOLN* RAIN 42 32 69 SW12G17 29.48F TC 5
SPRINGFIELD CLOUDY 42 34 73 SW10 29.50S TC 6
TAYLORVILLE CLOUDY 39 34 82 SW16G23 29.54S WCI 30 TC 4
$$
ILZ033-039-045-046-055>057-062-063-100800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 39 33 79 SW23G35 29.49F WCI 28 TC 4
RANTOUL* CLOUDY 38 32 80 SW28 29.46F WCI 26 TC 3
MATTOON CLOUDY 41 35 79 S14G30 29.54S TC 5
PARIS* CLOUDY 41 35 78 SW25G32 29.53F TC 5
$$
ILZ079-100>102-100800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 46 35 65 SW12 29.58F TC 8
BELLEVILLE CLOUDY 43 35 73 SW12 29.60F TC 6
CAHOKIA* CLOUDY 46 34 62 SW12G21 29.60S TC 8
SPARTA* CLOUDY 42 33 71 SW13G20 29.67S TC 5
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 41 36 82 SW15G31 29.70F TC 5
CAIRO* CLOUDY 42 37 85 SW17G23 29.79F TC 5
EFFINGHAM* CLOUDY 43 35 74 S20G28 29.61F TC 6
MT. VERNON CLOUDY N/A N/A N/A SW22 29.68R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 45 34 66 SW17G26 29.61F TC 7
METROPOLIS* MOCLDY 44 34 68 SW18G26 29.78F TC 6
$$
ILZ067-068-072-073-078-083-087-091-100800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 44 33 65 SW24G33 29.65S TC 7
FLORA* LGT RAIN 43 36 75 SW17 29.63F TC 6
FAIRFIELD* CLOUDY 42 34 72 SW14G22 29.67F TC 6
HARRISBURG* MOCLDY 43 34 69 SW22G31 29.71S TC 6
ROBINSON* CLOUDY 43 36 75 SW23G33 29.60F TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$