533  
FOUS53 KLOT 182115  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
415 PM CDT THU JUL 18 2019  
 
ILZ014-191000-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 80 98 80 97 72  
TEMP 87 84 83 82 81 88 95 98 97 88 85 82 80 86 95 97 92 82 77 74 72  
DEWPT 74 76 75 74 74 74 75 75 74 74 74 74 74 74 74 73 71 70 69 69 69  
RH 65 77 77 77 79 63 53 48 48 63 70 77 82 68 51 46 51 67 76 84 90  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W SW SW N NE N  
WIND SPD 16 12 11 10 10 12 13 13 13 11 11 9 8 10 10 9 6 4 3 3 4  
WIND GUST 27  
CLOUDS SC FW FW SC SC SC SC SC FW FW SC SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 10 10 20 40 50  
QPF 12HR 0 0 0 0.02 0.12  
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 95 93 90 88 86 97107111109 97 93 88 84 94106107 99 86  
MAX HEAT 95 96 89 107 111 106 90 106 107 94  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 65 80 62 84 64 86 65 86  
TEMP 82 79 68 65 78 77 66 63 82 82 68 64 83 83 70 65 84 83  
DEWPT 65 60 58 58 55 53 54 57 55 56 56 58 59 57 58 60 58 58  
PWIND DIR NE NE NE NE N W NW NW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW  
POP 12HR 30 20 5 5 10 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ003-191000-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 78 94 69  
TEMP 87 84 82 79 78 85 91 95 95 88 83 79 79 86 92 94 90 79 74 70 69  
DEWPT 76 76 75 74 74 75 77 77 76 76 76 76 75 76 76 75 73 72 71 69 68  
RH 70 77 79 85 88 72 64 56 54 68 80 91 88 72 60 54 58 79 90 97 97  
WIND DIR S SW SW SW SW SW SW SW SW SW SW S SW SW SW W SW NW N NE N  
WIND SPD 16 11 12 11 10 11 12 13 12 11 10 9 8 9 10 8 5 4 3 3 4  
WIND GUST 27 17  
CLOUDS B1 FW SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 20 5 20 40 50  
QPF 12HR 0 0 0 0.06 0.26  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C  
TSTMS S S S S C C C C C  
HEAT INDEX 98 93 89 94105110109 99 91 96105106 98  
MAX HEAT 98 99 85 105 110 107 89 105 106 93  
HEAT Y Y Y Y Y Y Y Y Y Y  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 82 59 79 57 82 60 84 61 85  
TEMP 78 81 64 59 75 78 61 58 78 81 65 61 80 83 66 62 82 83  
DEWPT 66 62 60 56 57 56 55 54 58 58 59 60 61 60 59 58 62 60  
PWIND DIR NE NE NE NE N W W W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 10 5 5 5 0 10 5 5  
RAIN SHWRS C S  
TSTMS C S  
 

 
ILZ014-191000-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 80 98 81 96 73  
TEMP 88 84 83 81 80 88 95 98 98 89 87 83 81 87 94 96 92 83 77 74 73  
DEWPT 74 75 75 74 74 73 74 75 74 74 74 74 74 74 74 72 71 71 70 70 69  
RH 63 74 77 79 82 61 51 48 47 61 65 74 79 65 53 46 51 67 79 87 87  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW N N N NE  
WIND SPD 16 11 11 10 10 12 13 13 13 11 10 9 6 9 10 10 6 3 3 3 4  
WIND GUST 27  
CLOUDS FW FW FW SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC B1 B2 B2  
POP 12HR 10 10 10 40 50  
QPF 12HR 0 0 0 0.01 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 97 92 90 86 84 96106111110 98 95 90 86 95105105 99 88  
MAX HEAT 97 98 90 106 111 107 94 105 106 96  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 66 80 63 84 65 86 65 87  
TEMP 82 78 68 66 78 78 67 64 82 82 71 65 83 83 71 65 84 85  
DEWPT 66 60 59 60 55 53 54 57 55 55 56 58 58 57 59 61 59 58  
PWIND DIR N NE NE N N NW NW NW NW  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW SC FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 5  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ021-191000-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 78 97 72  
TEMP 89 84 81 79 78 86 94 96 95 88 83 80 78 87 95 97 94 85 78 74 72  
DEWPT 77 77 75 75 74 75 76 77 76 75 74 73 73 76 77 76 75 74 73 71 70  
RH 68 80 82 88 88 70 56 55 54 66 74 79 85 70 56 51 54 70 85 90 93  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW NW NE  
WIND SPD 16 11 11 10 9 11 13 14 12 9 9 8 6 9 9 10 8 3 2 2 3  
WIND GUST 26  
CLOUDS SC FW FW FW SC FW FW FW FW FW FW SC SC SC FW FW FW SC B1 B2 B2  
POP 12HR 10 5 10 30 40  
QPF 12HR 0 0 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 102 94 87 95107111109 98 90 84 98110111106 93  
MAX HEAT 102 103 87 107 111 107 88 110 113 102  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 62 80 58 84 61 85 62 86  
TEMP 83 80 66 62 78 77 62 59 80 83 66 62 82 83 67 63 84 84  
DEWPT 70 64 57 59 58 56 55 55 58 58 58 59 60 60 59 59 60 60  
PWIND DIR NE NE NE NE N W NW SW W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 5 5 5  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ006-191000-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 77 96 77 93 68  
TEMP 85 80 79 78 78 86 92 96 92 85 80 78 78 85 92 91 84 74 71 69 70  
DEWPT 74 75 75 75 74 75 75 75 74 74 74 74 75 74 74 74 70 68 68 67 68  
RH 70 85 88 91 88 70 58 51 56 70 82 88 91 70 56 58 63 82 90 93 93  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW W SW W NW N N N N  
WIND SPD 17 11 11 11 9 11 13 13 12 10 11 10 8 10 10 8 5 4 3 3 3  
CLOUDS B1 FW SC SC B1 SC SC SC SC FW SC SC SC SC SC SC B1 B2 B2 B2 B2  
POP 12HR 30 10 20 50 50  
QPF 12HR 0.01 0 0 0.06 0.19  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S S C C C C C  
TSTMS C S S S S C C C C C  
HEAT INDEX 93 85 95103108102 93 84 93102101 88  
MAX HEAT 93 90 103 108 99 84 102 103 84  
HEAT Y Y Y Y  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 78 61 76 60 79 62 82 63 82  
TEMP 78 73 63 61 75 74 62 61 77 76 64 64 80 79 65 64 80 78  
DEWPT 65 60 57 57 56 55 55 57 57 58 57 59 61 59 59 60 60 59  
PWIND DIR NE NE NE NE N SW W SW N  
WIND CHAR GN LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 20 5 10 10 5 10 5 10  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ021-191000-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 77 96 72  
TEMP 92 88 83 81 78 86 93 96 95 88 83 79 77 85 93 96 94 86 79 75 72  
DEWPT 78 77 76 75 74 75 77 77 76 76 75 74 74 76 78 77 76 75 74 73 72  
RH 64 70 80 82 88 70 60 55 54 68 77 85 90 75 62 55 56 70 85 94100  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW NW  
WIND SPD 14 11 11 10 9 12 13 14 12 10 9 8 6 8 8 9 6 3 3 2 2  
WIND GUST 25 18 18 19 18  
CLOUDS SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC B2 B2  
POP 12HR 5 5 10 20 40  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C  
TSTMS S C C C C  
HEAT INDEX 107100 91 86 95107111109 99 90 95109111106 95  
MAX HEAT 109 106 91 107 111 106 89 110 113 105  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 62 80 57 82 59 84 61 86  
TEMP 83 82 67 62 78 79 62 58 79 81 65 60 81 82 67 61 83 84  
DEWPT 72 65 61 59 60 58 55 55 60 60 59 59 61 61 60 59 62 62  
PWIND DIR N N NE NE N NW NW S W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 20 5 5 5 5 5 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
INZ002-191000-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 77 96 72  
TEMP 89 85 81 79 78 87 93 96 95 85 81 78 77 85 93 96 93 83 77 73 73  
DEWPT 74 75 75 74 74 76 76 76 75 74 73 72 72 75 76 74 73 72 71 70 70  
RH 61 72 82 85 88 70 58 53 53 70 77 82 85 72 58 49 52 70 82 90 90  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W NW N  
WIND SPD 14 11 11 9 10 12 14 16 13 10 10 9 8 10 10 11 8 4 3 3 4  
WIND GUST 18 14 13  
CLOUDS FW FW FW SC SC SC SC SC FW FW FW FW FW SC FW SC FW SC B1 B1 B2  
POP 12HR 10 10 10 30 40  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 98 94 87 98106110107 93 86 94106107102 88  
MAX HEAT 98 99 85 106 110 103 84 106 109 98  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 62 78 60 81 60 84 62 85  
TEMP 83 79 66 62 76 75 63 61 79 80 63 61 80 82 65 63 82 82  
DEWPT 69 63 60 58 57 55 55 57 57 56 55 57 59 58 58 59 60 59  
PWIND DIR N N N N N NW NW NW NW  
WIND CHAR GN LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 10 5 5 5 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
ILZ005-191000-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 77 95 77 93 68  
TEMP 86 82 80 78 77 84 90 94 94 86 82 79 77 85 91 93 89 79 72 69 68  
DEWPT 77 77 75 74 74 76 77 77 77 76 75 74 75 76 77 76 74 72 70 68 68  
RH 75 85 85 88 90 77 66 58 58 72 79 85 94 75 64 58 61 79 93 97100  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W N N NE N  
WIND SPD 16 10 11 10 9 12 12 13 12 10 10 9 6 9 9 6 4 3 2 2 3  
WIND GUST 27 16 14  
CLOUDS B1 FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC B1 B2 B2 B2 B2  
POP 12HR 20 10 20 40 50  
QPF 12HR 0.01 0 0 0.05 0.17  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C  
TSTMS S S S S C C C C C  
HEAT INDEX 97 89 85 93102108108 95 88 94105106 98  
MAX HEAT 97 98 103 110 105 86 106 107 94  
HEAT Y Y Y Y  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 81 59 77 57 81 59 83 60 84  
TEMP 78 79 63 59 74 76 60 57 77 80 63 60 79 81 64 60 82 82  
DEWPT 66 62 58 56 57 55 54 55 58 58 57 59 61 60 58 59 61 60  
PWIND DIR NE NE NE N N W W W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 20 5 5 5 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ008-191000-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 95 78 94 70  
TEMP 89 85 82 79 78 85 92 94 94 87 81 79 78 84 92 94 89 81 75 72 70  
DEWPT 77 76 75 74 74 75 76 77 76 76 75 74 74 75 77 76 74 72 71 70 68  
RH 68 75 79 85 88 72 60 58 56 70 82 85 88 74 62 56 61 74 87 93 93  
WIND DIR S SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW NW NE N NE  
WIND SPD 17 10 11 10 9 11 12 13 12 10 9 8 6 9 10 8 6 4 2 3 4  
WIND GUST 27 17 14  
CLOUDS B1 FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 20 5 20 30 50  
QPF 12HR 0 0 0 0.01 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C  
TSTMS S S S C C C C C  
HEAT INDEX 102 94 89 94105109107 98 87 92106107 98 85  
MAX HEAT 102 103 89 105 110 103 87 106 109 94  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 60 80 57 82 61 85 61 86  
TEMP 81 81 66 60 77 79 62 58 80 81 66 62 81 83 67 62 83 84  
DEWPT 67 62 60 57 58 56 55 54 59 59 59 59 61 60 59 58 62 61  
PWIND DIR NE NE NE NE N W W W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW  
POP 12HR 30 20 5 5 5 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ011-191000-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 78 95 70  
TEMP 88 84 82 79 78 85 92 95 95 88 82 80 78 86 94 95 90 82 75 72 70  
DEWPT 76 77 76 74 74 75 77 77 76 76 75 75 75 76 77 76 74 72 71 69 69  
RH 68 80 82 85 88 72 62 56 54 68 79 85 91 72 58 54 60 72 87 90 97  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW NW N NE N  
WIND SPD 16 11 12 11 10 12 13 13 12 11 11 9 9 12 13 11 9 6 5 4 4  
WIND GUST 27  
CLOUDS B1 FW FW SC SC SC SC FW FW FW FW SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 10 10 20 40 50  
QPF 12HR 0 0 0 0.02 0.25  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C  
TSTMS S S S C C C C C  
HEAT INDEX 99 94 89 94106110109 99 89 85 96108108 99 86  
MAX HEAT 99 103 85 106 110 107 87 109 110 96  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 60 79 57 82 61 85 61 86  
TEMP 81 81 65 60 77 78 62 58 80 81 66 62 81 83 66 62 83 85  
DEWPT 68 62 58 57 57 55 54 54 58 58 57 59 60 59 58 59 61 60  
PWIND DIR NE NE NE N N W W W W  
WIND CHAR GN LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 20 5 5 5 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ010-191000-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 95 78 94 70  
TEMP 90 85 82 79 78 85 92 94 94 87 82 79 78 84 92 94 90 80 74 71 70  
DEWPT 77 76 75 74 73 74 76 77 76 76 75 74 74 75 76 75 73 72 71 70 68  
RH 66 75 79 85 85 70 60 58 56 70 79 85 88 74 60 54 58 77 90 97 93  
WIND DIR S SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW NW N NE N  
WIND SPD 16 10 11 10 9 11 12 13 12 10 9 8 5 8 6 5 4 3 2 3 3  
WIND GUST 27 18 17 17 17 13 13  
CLOUDS B1 FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 10 5 20 30 50  
QPF 12HR 0 0 0 0 0.24  
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 103 95 89 81 93105109107 98 88 81 93106107 98 84  
MAX HEAT 103 105 90 105 110 106 87 107 110 96  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 61 80 58 82 61 85 62 86  
TEMP 80 81 66 61 78 79 63 59 80 81 66 62 81 83 67 63 83 83  
DEWPT 67 62 61 57 57 56 55 54 58 59 58 59 60 59 59 58 61 60  
PWIND DIR NE NE NE NE N W W W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW  
POP 12HR 30 20 10 5 5 5 5 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ012-191000-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 79 97 79 97 71  
TEMP 87 84 82 80 79 87 94 97 95 89 84 81 79 87 95 97 91 82 76 73 71  
DEWPT 76 76 75 74 73 74 76 76 75 75 74 73 73 74 76 74 73 72 71 69 68  
RH 70 77 79 82 82 65 56 51 53 64 72 77 82 65 54 48 56 72 85 87 90  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW W SW N NW N N  
WIND SPD 17 10 11 10 9 12 13 14 13 11 10 9 8 10 10 9 8 4 3 3 4  
WIND GUST 27  
CLOUDS SC FW FW SC SC SC SC FW FW FW FW SC SC SC SC SC SC B1 B2 B2 B2  
POP 12HR 10 10 20 40 50  
QPF 12HR 0 0 0 0.02 0.14  
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 98 93 89 85 80 95106110107 99 91 86 95108108100 86  
MAX HEAT 98 99 89 106 110 106 91 109 110 97  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 62 80 58 84 62 86 63 87  
TEMP 83 80 66 62 78 78 63 59 81 82 66 62 83 83 67 63 84 84  
DEWPT 66 61 56 57 56 53 53 55 57 56 56 57 59 58 58 58 59 57  
PWIND DIR NE NE NE NE N NW NW W W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 30 20 5 5 5 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ020-191000-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 79 96 78 96 71  
TEMP 89 84 82 80 79 85 93 95 95 88 82 80 78 86 93 96 93 84 76 73 71  
DEWPT 76 77 75 75 74 75 76 77 76 75 74 73 73 75 77 76 74 73 72 70 69  
RH 66 80 79 85 85 72 58 56 54 66 77 79 85 70 60 53 54 70 87 90 93  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW E NE NE  
WIND SPD 16 10 11 10 9 11 13 14 12 10 9 8 8 10 10 10 6 3 3 3 4  
WIND GUST 27  
CLOUDS SC FW FW SC SC SC FW FW FW FW FW SC SC SC FW FW SC SC B1 B2 B2  
POP 12HR 10 5 10 40 50  
QPF 12HR 0 0 0 0 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 100 94 89 83 94106110108 97 89 82 95107110103 90  
MAX HEAT 100 105 89 106 111 102 88 107 110 99  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 83 62 80 58 83 61 85 62 86  
TEMP 82 79 67 62 78 77 62 59 80 81 66 62 81 83 68 62 83 82  
DEWPT 68 62 57 57 58 55 54 54 57 58 57 58 59 59 58 59 60 60  
PWIND DIR NE NE NE NE N NW NW SW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 10  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ013-191000-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 80 97 80 96 72  
TEMP 87 85 83 82 81 87 94 97 96 89 86 82 80 87 94 96 92 83 78 75 72  
DEWPT 75 76 75 74 73 74 75 75 74 74 73 73 73 74 75 74 72 71 70 69 68  
RH 68 75 77 77 77 65 54 50 49 61 65 74 79 65 54 49 52 67 76 82 87  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW NW N N NE  
WIND SPD 16 11 11 10 10 12 13 13 13 11 10 9 8 10 10 9 6 4 3 3 4  
WIND GUST 27 19  
CLOUDS SC FW FW SC SC SC SC SC FW FW SC SC SC SC SC SC SC B1 B1 B2 B2  
POP 12HR 10 10 20 40 50  
QPF 12HR 0 0 0 0.02 0.11  
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 96 94 90 87 85 95106109107 98 93 87 84 95106108100 88  
MAX HEAT 96 99 89 106 110 106 93 107 110 97  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 64 80 60 84 62 85 64 86  
TEMP 83 80 67 64 78 77 64 61 81 82 68 62 82 83 68 64 83 83  
DEWPT 66 60 57 57 55 52 53 56 55 56 55 57 58 57 58 58 59 58  
PWIND DIR NE NE NE NE N W NW NW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW  
POP 12HR 30 20 5 5 10 5 10 5 5  
RAIN SHWRS C S S  
TSTMS C S S  
 

 
ILZ019-191000-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 79 96 79 97 72  
TEMP 91 88 84 81 79 86 93 96 95 89 83 80 79 86 94 97 94 87 79 75 72  
DEWPT 77 77 76 75 74 74 76 76 76 75 74 74 73 74 76 74 73 73 72 71 70  
RH 64 70 77 82 85 68 58 53 54 64 74 82 82 68 56 48 51 63 79 87 93  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW E NE  
WIND SPD 16 11 11 10 10 11 13 14 12 10 10 9 6 8 8 8 6 3 2 2 3  
WIND GUST 27 18 18 18 18  
CLOUDS B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2  
POP 12HR 10 5 10 30 50  
QPF 12HR 0 0 0 0 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 105 99 93 87 94106110109 99 90 84 94108109103 94  
MAX HEAT 105 106 90 106 110 107 88 109 110 101  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 62 81 58 84 62 85 63 87  
TEMP 83 83 67 62 79 80 62 59 81 83 66 63 82 84 67 64 84 85  
DEWPT 68 63 59 57 57 55 54 55 57 57 58 59 59 58 59 59 60 60  
PWIND DIR NE NE NE NE N NW NW W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 5 5 5  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ022-191000-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 79 97 79 98 72  
TEMP 88 85 82 80 79 87 94 96 95 89 83 80 79 87 96 98 95 86 78 74 72  
DEWPT 77 77 75 74 74 75 76 77 76 75 74 73 73 75 77 75 73 74 73 71 70  
RH 70 77 79 82 85 68 56 55 54 64 74 79 82 68 55 48 49 68 85 90 93  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW E N NE  
WIND SPD 16 10 11 10 9 11 13 14 13 10 9 8 6 8 8 8 6 3 2 2 2  
WIND GUST 27  
CLOUDS SC FW FW FW SC SC FW FW FW FW FW SC SC SC FW FW SC SC B1 B2 B2  
POP 12HR 10 5 10 40 50  
QPF 12HR 0 0 0 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 100 95 89 84 96107112109 99 90 85 97111111105 94  
MAX HEAT 100 102 89 109 113 109 89 113 114 105  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 63 80 59 84 61 86 62 87  
TEMP 83 81 67 63 78 78 62 59 81 82 66 61 83 84 67 63 85 85  
DEWPT 69 62 57 59 57 55 55 56 57 57 57 58 59 59 59 59 60 60  
PWIND DIR NE NE NE NE N NW NW W W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 10  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ023-191000-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 97 77 98 72  
TEMP 90 86 82 80 78 88 94 97 96 88 83 80 77 86 96 98 95 86 79 75 72  
DEWPT 76 76 76 75 75 76 77 77 76 75 74 73 73 76 77 76 74 74 73 72 71  
RH 64 72 82 85 91 68 58 53 53 66 74 79 87 72 55 50 51 68 82 90 97  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW NW  
WIND SPD 13 11 11 10 10 11 13 16 13 10 9 8 6 9 9 9 6 3 2 2 2  
CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW SC B2 B2  
POP 12HR 5 5 10 30 40  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 101 95 89 85 99108113110 97 89 82 96111112106 94  
MAX HEAT 102 103 87 109 113 106 88 111 113 103  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 86 62 81 57 84 59 85 61 87  
TEMP 86 80 66 62 80 77 62 58 82 82 64 60 82 82 67 61 85 85  
DEWPT 70 63 59 60 58 55 55 56 57 58 57 58 60 59 59 60 60 60  
PWIND DIR N N NE NE N NW NW SW W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 5  
RAIN SHWRS C C S  
TSTMS C C S  
 

 
ILZ033-191000-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 77 97 73  
TEMP 90 86 83 80 78 86 93 96 94 86 82 79 77 85 95 97 94 86 80 77 73  
DEWPT 76 76 75 75 75 76 77 76 76 74 74 73 73 76 77 76 74 74 73 72 71  
RH 64 72 77 85 91 72 60 53 56 68 77 82 87 75 56 51 53 68 79 85 93  
WIND DIR S S SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW  
WIND SPD 12 11 11 10 9 11 13 16 13 9 9 8 6 9 9 9 8 5 3 3 2  
WIND GUST 12  
CLOUDS FW FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW SC B1 B2  
POP 12HR 5 5 5 20 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C  
TSTMS S S S C C  
HEAT INDEX 102 95 90 85 96107110107 94 88 94111112105 94 82  
MAX HEAT 103 103 89 107 111 103 84 112 114 103  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 87 62 80 57 83 59 85 61 86  
TEMP 87 82 67 62 78 76 61 57 80 81 65 60 81 83 66 61 84 83  
DEWPT 72 65 61 60 59 56 54 55 59 58 57 57 60 60 58 59 60 60  
PWIND DIR NW N N NE N N NW W W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 5 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
ILZ039-191000-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 77 95 77 95 74  
TEMP 92 86 82 78 77 85 92 95 94 85 81 79 77 85 93 95 93 84 79 76 74  
DEWPT 78 77 75 75 74 75 77 77 76 75 73 73 73 76 78 77 76 75 73 72 72  
RH 64 75 79 91 90 72 62 56 56 72 77 82 87 75 62 56 58 74 82 87 93  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW  
WIND SPD 12 10 11 10 9 12 13 14 11 9 9 8 6 9 8 9 8 5 4 4 3  
CLOUDS SC FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW FW B1 B2  
POP 12HR 5 5 5 20 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C  
TSTMS S S S C C  
HEAT INDEX 107 97 89 94106110107 94 85 94108110106 92 80  
MAX HEAT 109 105 87 107 110 105 84 109 110 102  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 86 62 80 58 81 59 83 61 85  
TEMP 86 81 66 62 78 77 62 58 79 80 64 60 80 81 66 61 83 83  
DEWPT 73 68 60 60 61 59 54 55 60 61 57 57 61 62 59 59 62 62  
PWIND DIR N N N N N N N SE W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 5 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
INZ001-191000-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 97 77 97 71  
TEMP 89 85 82 79 79 88 93 97 95 86 81 78 78 87 95 97 94 83 75 72 72  
DEWPT 75 75 75 74 75 74 75 75 75 74 73 73 73 74 75 74 72 72 71 70 70  
RH 64 72 79 85 88 63 56 50 53 68 77 85 85 65 53 48 49 70 87 93 93  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W SW NW N  
WIND SPD 14 11 12 10 10 12 14 16 13 10 10 9 8 10 10 10 6 3 2 3 3  
WIND GUST 25 12 13  
CLOUDS FW FW FW FW SC SC FW SC FW FW FW FW FW FW FW FW FW SC B1 B1 B2  
POP 12HR 10 10 10 30 40  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C C C C  
HEAT INDEX 100 93 89 96105109107 94 86 96107109102 88  
MAX HEAT 101 103 89 105 111 105 86 108 110 101  
EXCESS HEAT W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 84 63 79 59 82 60 85 61 86  
TEMP 84 78 65 63 78 76 61 60 80 80 64 61 82 83 65 62 84 82  
DEWPT 68 61 60 59 56 54 54 56 56 55 56 57 58 57 58 59 59 58  
PWIND DIR N N NE N N NW NW NW NW  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 10 5 5 10 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
INZ010-191000-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 77 96 76 97 72  
TEMP 89 83 80 78 77 85 93 96 92 84 79 77 76 84 94 97 94 85 78 75 72  
DEWPT 76 76 75 75 75 76 76 77 75 74 73 71 72 75 76 75 74 73 73 72 71  
RH 66 80 85 91 94 75 58 55 58 72 82 82 87 74 56 50 53 67 85 90 97  
WIND DIR S SW SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW  
WIND SPD 13 11 11 10 9 11 13 16 12 9 9 8 6 9 9 10 8 5 3 2 2  
WIND GUST 12  
CLOUDS FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW SC B1 B1  
POP 12HR 5 5 5 20 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C  
TSTMS S S S C C  
HEAT INDEX 100 92 85 94106111103 91 92107109105 92  
MAX HEAT 101 100 86 106 111 102 109 111 101  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 87 62 80 57 82 59 85 60 86  
TEMP 86 81 65 62 78 77 61 58 78 80 63 60 82 83 65 61 84 83  
DEWPT 72 64 60 59 58 55 54 55 57 57 56 56 59 58 58 57 61 59  
PWIND DIR NW N NE N N NW NW NW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
INZ011-191000-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
415 PM CDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11  
CDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 78 96 77 96 72  
TEMP 89 85 81 80 78 85 93 96 93 85 80 78 77 85 93 96 94 85 78 75 72  
DEWPT 75 77 76 75 74 75 76 76 76 74 72 71 71 74 75 74 73 72 72 71 70  
RH 64 77 85 85 88 72 58 53 58 70 77 79 82 70 56 49 51 65 82 87 93  
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W  
WIND SPD 12 11 11 10 9 11 13 16 12 9 9 8 8 9 10 10 8 5 3 2 3  
CLOUDS FW FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC B1 B1  
POP 12HR 5 5 10 20 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C  
TSTMS S S S C C  
HEAT INDEX 99 95 87 82 94106110106 93 84 93105107103 91  
MAX HEAT 99 100 87 106 111 103 84 106 109 100  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 86 62 80 57 82 59 84 60 86  
TEMP 85 80 66 62 79 77 62 58 79 81 63 60 82 82 65 60 84 83  
DEWPT 70 63 59 58 56 54 53 55 56 55 55 56 58 57 57 58 58 58  
PWIND DIR N N N N N W NW NW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 40 20 5 5 5 5 10 5 5  
RAIN SHWRS C C S S  
TSTMS C C S S  
 

 
INZ019-191000-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
515 PM EDT THU JUL 18 2019  
 
DATE 07/18/19 FRI 07/19/19 SAT 07/20/19 SUN  
UTC 3HRLY 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10  
EDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 77 96 76 96 73  
TEMP 91 87 81 79 77 82 91 96 95 88 81 78 76 81 91 96 95 88 79 76 74  
DEWPT 76 76 75 74 74 75 76 77 76 74 72 72 72 74 76 76 74 73 72 71 71  
RH 62 70 82 85 90 79 62 55 54 63 74 82 87 79 62 53 51 61 79 85 90  
WIND DIR S SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW SW SW SW  
WIND SPD 12 12 11 10 9 11 13 16 14 9 9 9 8 8 9 9 9 5 4 3 3  
CLOUDS SC FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW SC B1  
POP 12HR 10 5 5 20 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C  
TSTMS S S S C C  
HEAT INDEX 103 97 87 88103110109 97 85 86103110106 96 80  
MAX HEAT 103 102 85 103 111 106 84 103 110 105  
EXCESS HEAT W W W W W W W W W W W W W W W W W  
 
DATE 07/21/19 MON 07/22/19 TUE 07/23/19 WED 07/24/19 THU 07/25/19  
UTC 6HRLY 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22  
EDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 87 62 80 57 82 59 84 61 86  
TEMP 86 83 68 62 76 79 63 57 77 81 64 59 78 83 68 61 81 85  
DEWPT 72 67 60 58 59 57 54 53 58 57 56 55 60 59 58 57 61 59  
PWIND DIR NW N NE N N N NW NW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 50 50 10 5 5 5 10 10 10  
RAIN SHWRS C C C S  
TSTMS C C C S  
 

 
 
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