ASUS43 KLOT 041656

RWRIL 



ILLINOIS REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL

1200 PM CDT MON MAY 04 2026



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.



ILZ001-002-007-009-015-016-024-041800-

NORTHWEST ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MOLINE         SUNNY     78  49  35 SW13      29.53F TC  26           

$$



ILZ003-004-008-010-011-017-018-041800-

NORTH CENTRAL ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

ROCKFORD       NOT AVBL                                               

$$



ILZ005-006-012>014-019>023-041800-

NORTHEAST ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

CHICAGO-OHARE  MOSUNNY   74  44  34 SW14G23   29.55F TC  23           

CHICAGO-MIDWAY NOT AVBL                                               

AURORA         SUNNY     75  46  35 SW16      29.56F TC  24           

WAUKEGAN       SUNNY     74  38  27 SW20G31   29.53F TC  23           

DUPAGE AIRPORT SUNNY     73  47  39 SW13G23   29.56F TC  23           

WHEELING       SUNNY     73  39  29 W15G25    29.57F TC  23           

ROMEOVILLE*    SUNNY     73  50  43 SW13G21   29.58F TC  23           

NORTHERLY ISL*   N/A     73  42  32 S9          N/A  TC  23           

$$



LMZ740>746-041800-

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)

WINTHROP HARBOR               49              1015.2R         1/ 2

WAUKEGAN HARBOR            66 51  230/ 16/ 21 1003.0F         1/ 2

HARRISON CRIB              69     210/ 16/ 19   N/A

NORTHERLY ISL              71     230/ 10/ 16   N/A

CALUMET HARBOR                    210/ 11/ 15   N/A

BURNS HARBOR               69     220/ 11/ 13 1003.0F

MICHIGAN CITY              69     200/ 17/ 20 1001.0F

ST. JOSEPH BUOY            54     230/  6/  8 1003.4F         1/ 3

$$



ILZ025>027-034>036-040-047-049-050-058-095>099-041800-

WEST-CENTRAL ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

$$



ILZ028>032-037-038-041>044-048-051>054-059>061-041800-

CENTRAL ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

PEORIA         NOT AVBL                                               

SPRINGFIELD    PTSUNNY   71  53  52 SW15G25   29.65F TC  22           

TAYLORVILLE    NOT AVBL                                               

$$



ILZ033-039-045-046-055>057-062-063-041800-

EAST-CENTRAL ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MATTOON        LGT RAIN  60  55  83 S10       29.73R TC  16           

$$



ILZ079-100>102-041800-

SOUTHWEST ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

ALTON          TSTM      66  52  59 S12       29.73S TC  19           

$$



ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041800-

SOUTH-CENTRAL ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

CARBONDALE     MOSUNNY   77  49  37 SW25G38   29.79F TC  25           

MARION         PTSUNNY   79  52  38 SW18G29   29.81S TC  26           

$$



ILZ067-068-072-073-078-083-087-091-041800-

SOUTHEAST ILLINOIS

  

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

$$



ABBREVIATIONS USED IN REMARKS

   TC - TEMPERATURE IN CELSIUS

  WCI - WIND CHILL INDEX

   HX - HEAT INDEX

  VSB - VISIBILITY

$$