Regional Weather Roundup
Issued by NWS
Issued by NWS
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038
ASUS43 KLOT 092001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CST TUE DEC 09 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.
ILZ001-002-007-009-015-016-024-092100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 37 30 75 SW8 29.62F WCI 31 TC 3
STERLING* CLOUDY 35 31 85 SW8 29.65F WCI 29 TC 2
$$
ILZ003-004-008-010-011-017-018-092100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 32 28 85 SW8 29.66F WCI 25 TC 0
FREEPORT* CLOUDY 32 28 87 SW6 29.64F WCI 26 TC 0
$$
ILZ005-006-012>014-019>023-092100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 35 28 75 SW14G21 29.63F WCI 26 TC 2
CHICAGO-MIDWAY CLOUDY 36 29 75 SW14 29.66F WCI 27 TC 2
AURORA CLOUDY 34 29 82 SW8 29.64F HAZE WCI 27
JOLIET* PTSUNNY 38 32 79 S6 29.67F WCI 33 TC 3
WAUKEGAN CLOUDY 32 27 81 W12 29.63S WCI 23 TC 0
DUPAGE AIRPORT CLOUDY 33 29 85 SW12 29.64F WCI 24 TC 1
WHEELING CLOUDY 34 28 79 SW8 29.65F WCI 27 TC 1
MORRIS* PTSUNNY 36 32 85 SW6 29.67F WCI 31 TC 2
ROMEOVILLE* MOSUNNY 36 32 87 SW12G21 29.67F WCI 27 TC 2
LANSING* PTSUNNY 36 26 69 SW13 29.68F WCI 27 TC 2
NORTHERLY ISL* N/A 36 29 76 W6 N/A WCI 31 TC 2
$$
LMZ740>746-092100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 36 250/ 11/ 13 N/A
NORTHERLY ISL 36 270/ 5/ 15 N/A
CALUMET HARBOR 37 200/ 10/ 11 1004.1
BURNS HARBOR 36 220/ 10/ 12 1005.4F
MICHIGAN CITY 36 210/ 17/ 18 1004.4F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-092100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 40 32 73 S14 29.66F TC 4
MACOMB* CLOUDY 38 32 78 S7 29.68F WCI 33 TC 4
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-092100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 37 31 77 SW14G22 29.68F WCI 28 TC 3
BLOOMINGTON CLOUDY 37 31 78 S17 29.69F WCI 27 TC 3
DECATUR MOSUNNY 39 31 72 SW16G28 29.75F WCI 30 TC 4
PEORIA PTSUNNY 38 31 76 S14 29.68F WCI 30 TC 3
LINCOLN* MOSUNNY 40 29 65 S9 29.72F TC 5
SPRINGFIELD PTSUNNY 40 31 70 S12 29.72F TC 4
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-092100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 36 31 82 S14 29.75F WCI 27 TC 2
RANTOUL* MOSUNNY 37 31 78 SW12 29.74F WCI 29 TC 3
MATTOON MOSUNNY 43 33 68 S10G21 29.78F TC 6
PARIS* MOSUNNY 41 32 70 SW16 29.79F TC 5
$$
ILZ079-100>102-092100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 36 54 SW14 29.77F TC 11
BELLEVILLE MOSUNNY 53 35 50 S15 29.79F TC 12
CAHOKIA* MOSUNNY 53 34 48 S10G18 29.79F TC 12
SPARTA* MOSUNNY 45 33 61 S17 29.86F TC 7
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-092100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 39 32 76 S18 29.90F WCI 30 TC 4
EFFINGHAM* SUNNY 47 34 59 S13G18 29.82F TC 9
MARION MOSUNNY 39 32 75 S17G24 29.91F WCI 30 TC 4
MT. VERNON SUNNY N/A N/A N/A S18 29.86F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 47 34 61 S14 29.83F TC 8
METROPOLIS* SUNNY 42 32 68 S13 29.96F TC 6
$$
ILZ067-068-072-073-078-083-087-091-092100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 47 32 56 S20G29 29.85F TC 8
FLORA* MOSUNNY 45 34 65 SW17 29.85F TC 7
FAIRFIELD* MOSUNNY 45 32 60 SW14 29.87F TC 7
HARRISBURG* MOSUNNY 40 31 70 SW16G23 29.91F TC 5
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$