217  
FOUS53 KLOT 181821  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
121 PM CDT MON MAY 18 2026  
 
ILZ104-190900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 69 80 50 60 45  
TEMP 77 74 72 70 69 69 77 80 79 74 64 58 52 51 57 60 60 54 47 46 45 47  
DEWPT 67 67 65 64 63 64 66 66 63 57 51 47 43 42 40 39 38 36 36 37 38 39  
RH 71 79 79 81 81 84 69 62 58 55 63 67 71 71 53 46 44 50 65 71 76 74  
WIND DIR S S S S S SW SW SW W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 14 13 13 16 16 18 20 19 16 12 9 9 9 10 10 11 12 12 9 6 8 9  
WIND GUST 29  
CLOUDS B2 B2 B1 B1 B2 B2 B1 B2 B2 B2 SC SC B1 B1 B1 SC SC B1 SC SC SC SC  
POP 12HR 50 50 10 0 0  
QPF 12HR 0.01 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
TSTMS S S C C C C C  
HEAT INDEX 81  
MAX HEAT 81 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 62 49 69 53 75 56 80 60 85  
TEMP 61 58 52 51 64 66 56 55 72 72 59 58 77 77 65 63 81 82  
DEWPT 37 38 43 44 47 50 51 53 55 54 54 55 56 56 56 58 60 59  
PWIND DIR E E NE NE N E S SW S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B1 B2 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 20 20 10 10 10 20 10  
RAIN SHWRS S S S S S  
 

 
ILZ003-190900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 77 46 64 41  
TEMP 80 76 71 69 67 66 75 76 76 70 59 53 47 47 54 60 64 62 49 44 41 44  
DEWPT 64 66 65 64 63 64 65 61 56 52 47 44 41 40 40 40 40 40 37 35 35 37  
RH 58 71 81 84 87 93 71 60 50 53 64 71 79 76 59 47 41 44 63 70 79 76  
WIND DIR S S S S S SW SW W NW NW NW NW N N NE NE NE NE E E NE E  
WIND SPD 14 13 13 16 14 19 20 17 16 13 10 10 9 10 10 9 9 11 10 5 6 9  
CLOUDS OV B1 B1 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 70 40 0 0 0  
QPF 12HR 0.12 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L C C  
TSTMS S C C C C  
HEAT INDEX 82  
MAX HEAT 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 46 70 49 77 53 83 57 86  
TEMP 63 62 48 48 64 68 54 53 72 75 57 56 77 80 61 60 80 83  
DEWPT 39 38 40 44 49 51 49 51 55 56 52 53 58 59 55 57 61 61  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 FW SC SC SC SC SC SC  
POP 12HR 0 20 20 10 10 10 10 20 30  
RAIN SHWRS S S S S C  
TSTMS S S  
 

 
ILZ104-190900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 69 81 51 59 46  
TEMP 76 73 71 69 69 69 77 80 79 74 65 58 53 51 57 59 58 53 47 46 46 48  
DEWPT 67 66 65 64 64 65 66 66 63 59 54 49 45 43 41 39 38 37 38 39 39 40  
RH 74 79 81 84 84 87 69 62 58 59 68 72 74 74 55 47 47 54 71 76 76 74  
WIND DIR S S S S SW SW SW SW W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 14 13 13 14 14 17 20 21 17 13 11 11 11 13 14 16 16 14 12 11 11 12  
WIND GUST 27 31 33  
CLOUDS OV B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 SC SC SC B1 SC SC SC  
POP 12HR 40 60 20 0 0  
QPF 12HR 0.01 0.05 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C L L S S  
TSTMS S S C C C C C  
HEAT INDEX 82  
MAX HEAT 82 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 62 50 68 54 74 56 78 61 86  
TEMP 60 58 53 51 65 66 57 56 70 70 59 58 75 75 64 63 81 82  
DEWPT 40 41 44 45 49 51 53 54 56 55 55 56 58 57 58 59 61 60  
PWIND DIR NE E NE NE N E S S SE  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 30 20 10 10 10 10 10  
RAIN SHWRS C S S S  
TSTMS S  
 

 
ILZ021-190900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 80 51 66 44  
TEMP 77 73 70 69 68 68 77 80 79 74 64 57 52 51 58 63 66 60 49 45 44 47  
DEWPT 68 67 65 64 64 65 67 66 63 60 54 49 45 44 45 45 45 42 39 37 38 41  
RH 74 81 84 84 87 90 71 62 58 62 70 75 77 77 62 52 47 51 68 73 79 79  
WIND DIR S S S S SW SW SW SW W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 14 12 12 13 16 17 20 19 16 12 9 9 9 10 10 10 11 12 9 6 8 9  
WIND GUST 27  
CLOUDS OV B2 SC B1 B1 B2 B2 B2 B1 B1 SC SC B1 SC B1 SC SC SC SC SC SC SC  
POP 12HR 50 60 10 0 0  
QPF 12HR 0.04 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L C L C  
TSTMS S S S C C C C C  
HEAT INDEX 82  
MAX HEAT 83 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 49 72 53 78 56 83 59 87  
TEMP 65 64 52 51 67 70 57 56 74 75 59 58 79 80 64 63 82 83  
DEWPT 45 44 44 45 53 56 53 54 60 59 55 56 61 61 58 59 64 64  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 20 30 30 20 10 10 20 10  
RAIN SHWRS S C S S C S S  
TSTMS S S S  
 

 
ILZ006-190900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 67 78 47 56 43  
TEMP 76 74 70 69 67 67 76 77 76 70 60 54 49 48 54 55 55 50 45 44 43 45  
DEWPT 66 65 65 64 63 63 65 65 59 55 51 46 43 41 41 40 40 38 38 38 38 39  
RH 71 74 84 84 87 87 69 67 56 59 72 74 80 77 61 57 57 63 76 79 82 79  
WIND DIR S SW S S SW SW SW W W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 13 12 13 14 17 18 20 18 16 13 10 10 9 10 10 12 12 12 10 6 8 10  
WIND GUST 29  
CLOUDS B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 60 40 5 0 0  
QPF 12HR 0.04 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L C C C S  
TSTMS S C C C C C S  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 46 63 50 66 53 68 57 80  
TEMP 55 54 49 48 59 62 53 52 63 64 55 55 65 67 60 59 76 78  
DEWPT 39 40 44 44 48 50 51 51 55 54 54 53 57 57 57 56 60 60  
PWIND DIR NE E E NE NE E SE S SE  
WIND CHAR GN GN GN GN GN LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 20 20 20 10 10 10 30 20  
RAIN SHWRS S S S S C S  
 

 
ILZ021-190900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 51 67 43  
TEMP 76 72 69 68 69 69 78 82 80 73 63 58 53 52 58 64 67 61 49 45 43 47  
DEWPT 68 67 65 64 64 65 68 69 66 61 55 51 47 45 47 47 46 44 40 38 38 41  
RH 76 84 87 87 84 87 71 65 62 66 75 77 80 77 67 54 47 53 71 76 82 79  
WIND DIR S S S S SW SW SW SW W NW NW N N N NE NE NE NE NE NE NE NE  
WIND SPD 13 14 12 14 16 18 21 19 14 12 9 9 10 10 10 11 12 13 10 6 6 9  
CLOUDS OV B2 SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 SC B1 B1 SC SC FW  
POP 12HR 50 70 20 0 0  
QPF 12HR 0.01 0.05 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L C L L S S  
TSTMS S S S C C C C C  
HEAT INDEX 85 81  
MAX HEAT 85 84  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 70 49 74 54 80 56 85 60 89  
TEMP 66 66 52 51 69 71 57 57 75 76 60 59 80 80 64 64 84 84  
DEWPT 47 47 45 46 55 58 55 56 61 60 57 57 62 62 59 60 65 65  
PWIND DIR E E E NE W SW SW S SE  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS FW SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 0 10 40 30 20 10 10 20 10  
RAIN SHWRS C C S C S S S  
TSTMS S S S S S  
 

 
INZ002-190900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 81 49 58 43  
TEMP 76 73 70 68 68 68 78 81 77 72 64 55 51 49 56 57 57 52 46 44 43 46  
DEWPT 68 66 65 64 64 65 67 68 67 65 58 51 47 44 43 42 40 38 38 40 39 39  
RH 76 79 84 87 87 90 69 65 71 79 81 86 86 83 62 57 53 59 73 86 86 76  
WIND DIR S S S S S S SW SW W W N N N N N N N N N NE NE E  
WIND SPD 14 13 13 13 14 16 18 18 16 10 9 10 11 11 12 13 16 12 9 8 9 10  
WIND GUST 28 31 31 26  
CLOUDS OV B2 B2 SC SC B1 B2 B2 OV OV B2 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 70 40 0 0  
QPF 12HR 0.01 0.13 0.02 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C L L C C  
TSTMS S S S C C C C C S  
HEAT INDEX 84  
MAX HEAT 84 84  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 47 70 53 74 55 79 58 83  
TEMP 62 61 49 50 67 66 54 55 72 70 57 58 76 74 61 62 80 78  
DEWPT 44 45 42 44 53 55 54 55 60 58 56 57 61 60 58 60 64 63  
PWIND DIR E E E E W E SW S S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC B1 SC  
POP 12HR 0 10 30 30 30 30 20 20 20  
RAIN SHWRS C C C C C C C S S S  
TSTMS S S S S S S  
 

 
ILZ005-190900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 77 47 62 41  
TEMP 78 74 70 68 67 66 76 76 76 70 59 53 48 47 54 58 62 57 45 42 41 44  
DEWPT 66 66 65 64 63 64 66 64 60 56 49 45 42 41 42 42 43 41 37 36 36 38  
RH 67 76 84 87 87 93 71 66 58 61 69 74 80 79 64 55 50 55 73 79 82 79  
WIND DIR S SW S S SW SW SW W W NW NW NW N N NE NE NE E NE NE NE NE  
WIND SPD 13 12 13 14 16 19 21 18 16 13 10 10 9 10 10 9 9 12 9 5 6 9  
CLOUDS B2 B1 B1 B2 B2 B2 SC B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 70 50 5 0 0  
QPF 12HR 0.09 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L C C C  
TSTMS S C C C C C  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 61 45 67 49 74 53 79 57 83  
TEMP 59 58 47 48 61 65 53 52 69 72 56 56 74 77 60 60 77 81  
DEWPT 40 40 42 44 50 52 50 51 57 57 53 54 59 60 56 57 62 63  
PWIND DIR E E E NE N E SW SW S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC  
POP 12HR 0 20 20 20 10 10 10 20 30  
RAIN SHWRS S S S S S S C  
TSTMS S S  
 

 
ILZ008-190900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 76 47 65 41  
TEMP 81 76 71 69 67 65 74 75 75 69 59 53 48 47 55 61 65 62 50 45 42 44  
DEWPT 65 67 65 64 64 64 66 62 57 53 48 44 41 40 41 41 41 41 38 36 35 37  
RH 58 74 81 84 90 97 76 64 54 57 67 71 77 76 59 48 41 46 63 70 76 76  
WIND DIR S S S S SW SW SW W NW NW NW NW N N NE NE NE NE E E NE NE  
WIND SPD 14 13 13 14 13 17 18 14 14 12 8 8 8 8 9 8 8 8 9 5 5 8  
CLOUDS OV B2 B1 B2 B1 B2 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 70 50 0 0 0  
QPF 12HR 0.16 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L C C  
TSTMS S C C C C  
HEAT INDEX 82  
MAX HEAT 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 46 70 50 77 53 82 57 85  
TEMP 63 62 48 48 65 68 54 53 72 75 57 56 77 80 61 60 80 83  
DEWPT 41 40 40 44 50 52 50 51 56 57 53 54 59 61 55 57 62 62  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 FW SC SC SC SC SC SC  
POP 12HR 0 20 30 10 10 10 10 20 20  
RAIN SHWRS S C S S S  
TSTMS S S  
 

 
ILZ011-190900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 77 47 63 41  
TEMP 78 74 70 68 67 66 75 77 76 70 59 53 48 48 54 60 63 59 47 43 41 44  
DEWPT 67 67 65 64 63 64 66 65 61 55 50 45 42 41 42 42 43 41 37 35 36 38  
RH 69 79 84 87 87 93 74 67 60 59 72 74 80 77 64 51 48 51 68 73 82 79  
WIND DIR S S S S S SW SW W W NW NW NW N N NE NE NE E NE NE NE NE  
WIND SPD 13 12 14 16 17 20 23 20 16 13 10 10 10 10 11 9 9 12 10 6 8 10  
CLOUDS OV B1 B1 B2 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 70 50 0 0 0  
QPF 12HR 0.10 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L C C C  
TSTMS S C C C C C  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 46 69 50 76 53 81 57 85  
TEMP 62 60 47 48 64 67 53 53 71 73 56 56 76 78 60 60 80 82  
DEWPT 41 40 42 44 50 52 50 51 57 57 53 54 59 60 55 57 62 62  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN GN LT LT LT LT GN  
AVG CLOUDS SC SC B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 SC  
POP 12HR 0 20 20 20 10 10 10 20 20  
RAIN SHWRS S S S S S S  
TSTMS S S S  
 

 
ILZ010-190900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 76 47 65 42  
TEMP 80 75 71 69 67 66 74 75 75 69 59 53 48 48 55 61 65 62 52 46 43 45  
DEWPT 66 67 65 64 64 65 66 62 57 53 49 46 42 42 42 42 43 43 40 38 36 38  
RH 62 76 81 84 90 97 76 64 54 57 69 77 80 80 61 49 45 50 63 73 76 76  
WIND DIR S S S S SW SW SW W NW NW NW N N N NE NE NE NE E E NE NE  
WIND SPD 14 12 13 13 13 17 17 14 13 11 8 8 8 8 9 8 6 8 10 5 5 8  
CLOUDS OV B1 B1 B1 B2 B1 B1 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 70 50 0 0 0  
QPF 12HR 0.20 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L C C  
TSTMS S C C C C  
HEAT INDEX 82  
MAX HEAT 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 47 70 51 77 54 82 58 85  
TEMP 64 62 49 49 65 68 55 53 72 74 58 57 77 79 62 61 81 82  
DEWPT 43 43 42 45 52 54 52 52 58 58 54 55 61 62 57 58 63 63  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 FW SC SC SC SC SC SC  
POP 12HR 0 20 30 10 10 10 10 20 20  
RAIN SHWRS S C S S S  
TSTMS S S  
 

 
ILZ012-190900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 67 79 48 63 43  
TEMP 77 74 71 69 68 66 76 78 78 72 61 55 50 49 56 61 63 57 47 44 43 45  
DEWPT 68 67 65 64 64 64 66 67 63 58 52 47 43 42 42 42 43 39 37 36 37 39  
RH 74 79 81 84 87 93 71 69 60 61 72 74 77 77 59 49 48 51 68 73 79 79  
WIND DIR S S S S SW SW SW SW W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 13 13 14 16 16 19 21 20 17 13 10 10 10 10 11 9 10 13 10 8 9 10  
WIND GUST 31  
CLOUDS OV B2 B1 B2 B1 B2 B1 B2 B1 B1 SC SC B1 SC SC SC SC B1 SC SC SC SC  
POP 12HR 60 60 5 0 0  
QPF 12HR 0.06 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L L C C S  
TSTMS S C C C C C S  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 47 70 51 77 54 81 58 85  
TEMP 62 60 49 49 65 67 55 54 72 73 57 56 77 78 62 61 81 82  
DEWPT 40 40 43 44 50 52 51 52 57 57 53 54 59 59 56 57 62 62  
PWIND DIR E E E NE NW E S SW S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 20 20 10 10 10 10 20  
RAIN SHWRS S S S  
TSTMS S S  
 

 
ILZ020-190900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 67 79 49 64 43  
TEMP 76 73 70 68 68 66 76 79 78 71 62 55 51 50 56 62 64 59 48 44 43 46  
DEWPT 68 67 66 64 64 64 67 68 64 59 53 48 44 43 44 44 44 41 38 36 37 40  
RH 76 81 87 87 87 93 74 69 62 66 72 77 77 77 64 52 48 51 68 73 79 79  
WIND DIR S S S S SW SW SW W W NW NW N N N NE NE NE NE NE NE NE NE  
WIND SPD 14 12 12 14 14 18 20 20 16 12 10 10 10 10 10 10 10 13 10 8 8 9  
WIND GUST 31  
CLOUDS OV B1 B1 B2 B1 B2 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC SC FW  
POP 12HR 50 60 10 0 0  
QPF 12HR 0.05 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L C C C  
TSTMS S C C C C C C  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 48 71 52 77 54 82 58 85  
TEMP 63 61 50 49 66 68 55 54 72 73 57 57 77 78 62 61 81 82  
DEWPT 43 43 43 45 52 54 52 53 59 58 54 55 60 61 57 58 64 63  
PWIND DIR E E E NE NW E SW SW S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC SC B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 20 30 20 10 10 10 20 20  
RAIN SHWRS S C S S S S S  
TSTMS S S S  
 

 
ILZ013-190900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 80 50 62 44  
TEMP 77 73 71 69 68 67 77 79 79 73 64 57 52 50 57 61 62 55 47 45 44 47  
DEWPT 68 67 65 64 63 64 66 67 63 58 52 47 44 42 41 40 40 36 36 36 38 39  
RH 74 81 81 84 84 90 69 67 58 59 65 69 74 74 55 46 44 49 65 70 79 74  
WIND DIR S S S S S SW SW SW W NW NW NW N N NE NE NE NE NE NE NE NE  
WIND SPD 14 13 13 14 16 18 21 19 16 13 10 10 9 10 10 10 11 13 10 8 8 10  
WIND GUST 28 32  
CLOUDS OV B2 B1 B2 B1 B2 B1 B2 B1 B2 SC SC B1 B1 B1 SC SC B1 SC SC SC SC  
POP 12HR 50 50 10 0 0  
QPF 12HR 0.04 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
TSTMS S S C C C C C  
HEAT INDEX 81  
MAX HEAT 82 82  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 48 70 53 76 55 81 60 85  
TEMP 62 60 51 50 65 67 56 55 72 73 58 57 77 78 64 62 81 83  
DEWPT 38 38 43 44 48 50 51 53 56 55 53 54 57 57 56 58 61 60  
PWIND DIR E E NE NE NW E S SW S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B1 B2 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 20 20 10 10 10 10 10  
RAIN SHWRS S S S S S  
TSTMS S  
 

 
ILZ019-190900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 79 51 66 44  
TEMP 78 74 70 69 68 68 77 79 78 72 63 57 52 51 57 62 66 62 51 46 44 47  
DEWPT 67 66 64 64 64 64 66 67 62 56 52 47 44 43 43 43 43 41 38 36 36 39  
RH 69 76 81 84 87 87 69 67 58 57 67 69 74 74 59 50 43 46 61 68 73 74  
WIND DIR S S S S SW SW SW W W NW NW N N N NE NE NE E NE NE NE NE  
WIND SPD 13 13 12 13 14 18 20 19 16 12 10 9 9 10 10 10 10 12 11 6 8 9  
WIND GUST 28 31  
CLOUDS OV B2 SC B1 B1 B2 B1 B2 B1 B1 SC SC B1 SC SC SC SC B1 SC SC SC FW  
POP 12HR 60 60 5 0 0  
QPF 12HR 0.07 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C L L C C C  
TSTMS S S C C C C C C  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 49 72 54 78 56 83 60 86  
TEMP 64 64 52 51 66 70 57 56 73 75 60 58 78 79 64 62 82 83  
DEWPT 43 43 43 44 52 54 52 53 58 58 54 55 59 60 56 58 62 62  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B2 B2 B2 B2 B1 B1 B1 SC FW SC SC SC SC SC SC  
POP 12HR 0 10 30 30 20 10 10 30 10  
RAIN SHWRS C S S C S S C  
TSTMS S S S S S  
 

 
ILZ106-190900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 80 51 64 44  
TEMP 77 73 70 69 68 67 76 80 79 73 64 57 53 51 57 62 64 57 47 45 44 47  
DEWPT 68 67 66 64 64 65 67 68 65 60 55 50 46 45 44 44 44 40 38 38 39 41  
RH 74 81 87 84 87 93 74 67 62 64 73 77 77 80 62 52 48 53 71 76 82 79  
WIND DIR S S S S SW SW SW SW W NW NW N N N NE NE NE NE NE NE NE NE  
WIND SPD 14 12 12 14 14 18 20 19 16 12 9 9 9 10 11 11 11 12 10 6 8 9  
CLOUDS OV B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 SC SC B1 SC SC SC SC  
POP 12HR 50 60 20 0 0  
QPF 12HR 0.04 0.06 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L C L L S S  
TSTMS S S S C C C C C  
HEAT INDEX 83  
MAX HEAT 83 83  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 48 71 53 77 55 82 59 86  
TEMP 64 61 51 50 67 69 56 55 73 74 59 58 78 78 63 62 82 83  
DEWPT 44 43 44 45 53 55 54 55 59 58 55 56 61 60 58 59 64 63  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 30 30 10 10 10 20 10  
RAIN SHWRS C S S C S  
TSTMS S S  
 

 
ILZ023-190900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 50 64 43  
TEMP 76 73 69 68 68 68 77 82 79 72 64 57 53 51 57 62 63 55 45 43 43 45  
DEWPT 68 67 65 64 63 65 67 68 68 63 56 51 47 45 45 45 44 40 38 38 39 40  
RH 76 81 87 87 84 90 71 63 69 73 75 80 80 80 64 54 50 57 76 82 86 82  
WIND DIR S S S S S SW SW SW W NW NW N N N NE NE NE NE NE NE NE NE  
WIND SPD 16 11 11 12 13 13 16 17 12 9 6 6 6 8 9 10 11 11 8 5 5 8  
WIND GUST 25 27  
CLOUDS OV B2 B1 SC SC B1 B2 B2 OV B1 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC SC  
POP 12HR 40 70 20 0 0  
QPF 12HR 0 0.11 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C L C L L S S  
TSTMS C S S C C C C C  
HEAT INDEX 85  
MAX HEAT 85 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 47 72 53 78 55 82 58 86  
TEMP 65 63 51 50 68 68 55 55 74 73 57 58 79 77 62 62 83 81  
DEWPT 45 45 44 45 54 57 55 55 60 59 56 57 61 61 58 59 64 63  
PWIND DIR E E E NE W E SW S SE  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 40 30 20 20 20 20 20  
RAIN SHWRS C C S C S S S S S S  
TSTMS S S S S S S S S S  
 

 
ILZ033-190900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 83 52 65 43  
TEMP 75 72 69 68 68 69 78 82 79 74 65 59 54 52 58 63 64 57 46 44 43 46  
DEWPT 67 65 64 63 63 64 66 68 67 62 57 52 48 45 45 45 43 39 37 36 38 40  
RH 76 79 84 84 84 84 67 63 67 66 75 78 80 77 62 52 46 51 71 73 82 79  
WIND DIR S S S S S S SW SW W W NW N N N N N NE NE NE NE NE NE  
WIND SPD 17 11 11 11 12 14 18 17 13 8 6 6 8 8 9 11 12 11 8 5 5 8  
WIND GUST 25  
CLOUDS OV B2 B2 SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 SC SC  
POP 12HR 40 70 40 0 0  
QPF 12HR 0.01 0.20 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C C L L L C C  
TSTMS C S S C C C C C S  
HEAT INDEX 86  
MAX HEAT 86 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 48 73 54 78 56 82 60 86  
TEMP 65 65 52 51 69 70 57 57 74 74 59 59 79 78 63 63 83 82  
DEWPT 45 45 43 44 54 56 55 56 59 58 56 57 60 60 58 59 63 62  
PWIND DIR E E E NE W S SW S SE  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 40 20 30 20 20 10 10  
RAIN SHWRS C C S S C C S S  
TSTMS S S S S S S S  
 

 
ILZ039-190900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 53 66 44  
TEMP 73 70 68 68 68 69 78 82 80 74 65 60 55 53 60 64 66 60 49 45 44 47  
DEWPT 67 65 64 63 64 65 68 70 68 63 58 53 49 46 47 48 46 42 38 36 37 40  
RH 81 84 87 84 87 87 71 67 67 69 78 78 80 77 62 56 48 51 66 70 76 76  
WIND DIR S S S S S SW SW SW W NW NW N N N NE NE NE NE NE NE NE NE  
WIND SPD 18 13 14 13 14 18 21 20 16 11 9 10 11 11 11 12 13 14 11 9 9 10  
CLOUDS OV B2 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 SC SC  
POP 12HR 40 70 40 0 0  
QPF 12HR 0.02 0.13 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S C C C L L C C S S  
TSTMS C C S C C C C C S  
HEAT INDEX 85 82  
MAX HEAT 86 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 69 50 73 55 79 57 83 61 87  
TEMP 65 66 53 52 69 71 58 57 74 75 60 60 79 79 64 64 83 83  
DEWPT 47 46 44 45 56 57 57 57 61 59 57 58 62 61 60 60 65 63  
PWIND DIR E E E SE W S SW S SE  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC SC SC B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC B1 B1 SC  
POP 12HR 0 10 40 30 30 20 10 10 10  
RAIN SHWRS C C S C C C S  
TSTMS S S S S S S  
 

 
INZ001-190900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 81 49 58 43  
TEMP 76 73 70 68 68 68 77 81 77 72 64 56 51 49 56 58 57 51 45 44 43 46  
DEWPT 68 67 65 64 64 64 67 68 68 64 57 51 46 44 44 42 41 38 38 39 39 39  
RH 76 81 84 87 87 87 71 65 74 76 78 83 83 83 64 55 55 61 76 82 86 76  
WIND DIR S S S S S SW SW SW W W NW N N N N N N N N NE NE NE  
WIND SPD 16 12 12 13 14 17 19 18 14 10 8 8 10 11 13 13 14 13 9 6 8 9  
WIND GUST 28 29 29  
CLOUDS OV B2 B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC SC  
POP 12HR 40 70 30 0 0  
QPF 12HR 0 0.08 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C L L C C  
TSTMS S S S C C C C C S  
HEAT INDEX 84  
MAX HEAT 84 84  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 47 70 52 75 55 80 58 84  
TEMP 63 60 49 49 67 66 54 55 72 70 57 58 77 75 62 62 81 79  
DEWPT 44 45 42 44 54 55 54 55 60 58 56 57 61 60 58 59 64 63  
PWIND DIR E E E NE NW E SW S S  
WIND CHAR GN GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC B1 SC  
POP 12HR 0 10 30 30 30 20 10 10 20  
RAIN SHWRS C C C C C C S S S  
TSTMS S S S S S S  
 

 
INZ010-190900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 52 63 43  
TEMP 75 72 68 68 68 69 77 82 78 73 65 59 54 52 58 62 63 55 46 43 43 46  
DEWPT 67 66 64 63 63 64 67 69 68 64 58 53 49 46 46 46 43 40 37 37 38 41  
RH 76 81 87 84 84 84 71 65 71 73 78 80 83 80 64 56 48 57 71 79 82 83  
WIND DIR S S S S S SW SW SW W W NW N N N N N N N NE NE NE NE  
WIND SPD 18 11 12 12 13 16 18 18 13 8 6 6 6 9 9 11 12 11 8 5 6 9  
WIND GUST 26 28  
CLOUDS OV B2 B2 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC  
POP 12HR 30 70 40 0 0  
QPF 12HR 0.03 0.22 0.02 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C C L L L C C S S  
TSTMS C S S C C C C C S  
HEAT INDEX 85  
MAX HEAT 85 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 67 48 72 54 77 56 81 59 85  
TEMP 64 64 51 51 68 68 56 57 73 72 58 59 78 76 63 63 82 80  
DEWPT 45 46 42 44 54 57 55 57 60 59 56 57 61 61 58 60 64 63  
PWIND DIR E E E E W S SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 10 40 20 30 30 20 10 20  
RAIN SHWRS C C S S C C C S S  
TSTMS S S S S S S S S  
 

 
INZ011-190900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
121 PM CDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 52 62 44  
TEMP 76 73 69 68 68 69 77 82 78 73 66 60 54 52 58 61 62 55 46 44 44 47  
DEWPT 68 66 64 63 63 64 67 69 68 65 60 54 49 46 46 46 43 40 38 38 39 41  
RH 76 79 84 84 84 84 71 65 71 76 81 81 83 80 64 58 50 57 73 79 82 79  
WIND DIR S S S S S SW SW SW W W NW N N N N N N N N NE NE E  
WIND SPD 17 12 13 12 13 16 19 18 13 10 6 8 9 10 11 11 13 12 8 6 8 9  
WIND GUST 27 29 28  
CLOUDS OV B2 B2 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 SC SC  
POP 12HR 30 70 50 0 0  
QPF 12HR 0.04 0.19 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C C L L L C C S S  
TSTMS C S S C C C C C S  
HEAT INDEX 85  
MAX HEAT 85 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 67 48 72 54 76 56 81 59 85  
TEMP 63 64 50 51 68 69 57 57 72 72 58 59 78 77 63 63 82 80  
DEWPT 46 46 42 45 55 57 56 57 61 60 57 58 62 61 58 60 65 63  
PWIND DIR E E E E W SE SW S S  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC B1 SC  
POP 12HR 0 10 40 30 30 30 20 20 30  
RAIN SHWRS C C C S C C C S S C  
TSTMS S S S S S S S S  
 

 
INZ019-190900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
221 PM EDT MON MAY 18 2026  
 
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 67 82 54 64 45  
TEMP 74 71 68 68 67 69 77 81 79 73 67 61 56 54 58 62 63 56 47 45 45 47  
DEWPT 67 66 64 63 63 64 67 69 69 65 60 55 50 47 47 47 45 41 38 37 39 42  
RH 79 84 87 84 87 84 71 67 72 76 78 81 80 77 67 58 52 57 71 73 79 83  
WIND DIR S S S S S SW SW SW SW W NW N N N N N N N N NE NE E  
WIND SPD 19 12 12 12 13 16 18 18 14 9 6 8 9 10 10 11 12 12 9 6 8 10  
WIND GUST 27 28 28  
CLOUDS OV B2 B2 SC SC SC B1 B2 B1 B2 B2 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC  
POP 12HR 20 70 60 0 0  
QPF 12HR 0.02 0.26 0.06 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S C C L L L L C C  
TSTMS C S S S C C C C S  
HEAT INDEX 85 80  
MAX HEAT 85 85  
 
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 67 49 71 56 76 58 81 61 84  
TEMP 63 64 51 51 68 68 58 58 72 72 59 60 77 77 64 64 82 80  
DEWPT 46 46 43 45 55 57 57 57 60 60 57 58 61 61 59 60 64 63  
PWIND DIR E E E SE W S SW S SE  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC B1 SC  
POP 12HR 0 10 40 30 30 30 20 10 20  
RAIN SHWRS C C C C C S C S S  
TSTMS S S S S S S S S  
 

 
 
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