023  
FOUS53 KLOT 190415  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1115 PM CDT MON AUG 18 2025  
 
ILZ104-190900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 72 85 69 78 67  
TEMP 74 73 73 79 84 82 77 75 73 71 71 76 76 76 73 70 69 69 69  
DEWPT 71 72 73 73 73 73 74 71 70 69 68 69 68 67 65 65 66 66 66  
RH 90 97100 82 70 74 90 87 90 93 90 79 76 74 76 84 90 90 90  
WIND DIR S SW W N N N N N N N N N N N N N N NE NE  
WIND SPD 8 8 6 9 9 11 9 5 5 6 8 10 11 12 11 9 5 5 5  
CLOUDS OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW SC FW FW  
POP 12HR 70 20 5 5 0  
QPF 12HR 0.41 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S  
TSTMS C C S  
HEAT INDEX 90 88  
MAX HEAT 90 88  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 82 65 85 67 81 61 75 57 73  
TEMP 80 76 69 67 83 80 72 69 79 75 66 62 73 70 62 58 71 68  
DEWPT 64 62 64 64 65 65 66 63 61 58 56 54 52 52 52 52 51 51  
PWIND DIR NE N W W NW NW NW NW NW  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS FW CL CL FW FW SC SC SC FW FW FW CL FW FW FW FW FW SC  
POP 12HR 5 0 0 10 10 5 5 5 10  
 

 
ILZ003-190900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 84 66 79 60  
TEMP 71 71 71 76 81 84 80 73 70 68 67 73 77 78 74 66 63 61 62  
DEWPT 70 71 71 72 72 70 72 71 69 67 66 68 67 66 65 63 61 60 61  
RH 97100100 87 74 63 77 93 97 97 97 84 71 67 74 90 93 97 97  
WIND DIR SW W N N N N N N N N N NE NE NE NE NE NE N N  
WIND SPD 5 5 8 9 9 9 6 3 3 3 4 9 10 10 8 5 4 4 4  
CLOUDS OV B2 B2 B2 B1 SC SC SC FW SC SC B1 SC SC SC FW CL SC SC  
POP 12HR 70 10 0 5 0  
QPF 12HR 0.27 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S  
TSTMS C S  
HEAT INDEX 85 88 83  
MAX HEAT 85 88  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 82 59 83 62 77 54 72 50 71  
TEMP 79 77 63 61 80 78 67 63 76 71 60 55 70 67 56 52 68 66  
DEWPT 67 64 61 60 66 67 65 60 60 58 54 52 53 53 51 49 52 53  
PWIND DIR NE E SW W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS SC FW CL FW SC SC SC SC FW CL CL CL FW FW FW FW FW FW  
POP 12HR 0 0 0 10 5 0 0 0 5  
 

 
ILZ104-190900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 73 86 71 79 68  
TEMP 74 74 73 78 82 85 79 75 74 72 72 76 77 76 73 71 71 70 70  
DEWPT 71 72 72 71 71 71 73 72 71 70 70 70 68 67 66 66 67 67 66  
RH 90 93 97 79 69 63 82 90 90 93 93 82 74 74 79 84 87 90 87  
WIND DIR S SW W NW N N N N N N N N N N N N NE NE NE  
WIND SPD 6 6 6 8 9 11 10 5 6 6 8 13 14 16 14 12 10 8 8  
CLOUDS OV B2 B2 B2 B2 B1 SC B1 B1 SC B1 SC SC SC SC FW FW FW FW  
POP 12HR 70 30 5 5 0  
QPF 12HR 0.50 0.11 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C S S S  
TSTMS L C C S S S  
HEAT INDEX 86 89 83  
MAX HEAT 86 89  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 81 66 85 68 82 62 76 58 73  
TEMP 79 76 70 69 82 80 73 70 80 76 68 64 74 70 63 60 71 69  
DEWPT 64 64 66 65 65 65 67 64 61 59 57 56 53 52 53 53 51 51  
PWIND DIR NE N W W NW NW NW NW NW  
WIND CHAR GN LT LT LT GN GN GN GN GN  
AVG CLOUDS FW FW CL FW FW SC SC SC FW FW FW CL FW FW FW FW FW SC  
POP 12HR 5 0 0 10 10 5 5 5 5  
 

 
ILZ021-190900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 87 69 82 64  
TEMP 74 73 72 79 83 86 84 75 72 70 70 77 80 79 75 69 66 65 66  
DEWPT 73 73 72 75 75 74 75 73 71 69 69 71 71 69 66 65 64 64 65  
RH 97100100 88 77 68 74 94 97 97 97 82 74 72 74 87 93 97 97  
WIND DIR S SW W NW N N N N N N N N NE NE NE N N N N  
WIND SPD 6 5 4 6 8 8 8 4 3 4 5 9 10 11 9 6 5 4 4  
CLOUDS OV B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 SC FW FW FW FW SC  
POP 12HR 80 30 5 5 0  
QPF 12HR 0.45 0.08 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C S S S  
TSTMS C C C S S S  
HEAT INDEX 90 94 92 83 82  
MAX HEAT 90 94 83 84  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 61 85 64 80 57 74 53 73  
TEMP 81 77 65 64 82 79 68 65 78 74 62 58 73 69 58 54 71 68  
DEWPT 68 65 62 62 68 68 66 63 65 62 57 55 56 55 53 52 54 54  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW FW FW SC SC FW FW FW CL CL FW FW FW FW FW  
POP 12HR 0 0 0 10 5 5 0 5 5  
 

 
ILZ006-190900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 72 83 69 76 66  
TEMP 72 73 73 79 81 81 75 73 71 70 70 74 74 74 71 69 68 68 68  
DEWPT 70 71 71 72 71 71 73 71 70 68 68 70 69 68 66 66 66 66 65  
RH 93 93 93 79 72 72 94 93 97 93 93 87 84 82 84 90 93 93 90  
WIND DIR SW W NW N N N N N N N N N N N N N NE NE NE  
WIND SPD 6 6 8 9 9 9 6 5 5 5 8 11 13 13 12 10 6 5 5  
CLOUDS OV B2 B2 B2 B1 B1 B2 B1 SC B1 B1 B1 B1 SC FW FW FW FW FW  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.36 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C  
TSTMS C C  
HEAT INDEX 85 84  
MAX HEAT 85 86  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 78 63 82 65 79 59 73 55 71  
TEMP 77 73 67 65 80 77 70 66 76 73 64 60 71 68 60 57 69 66  
DEWPT 67 65 63 63 68 69 66 63 63 60 56 55 55 55 54 53 54 54  
PWIND DIR NE N SW W NW NW NW NW NW  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS FW CL CL FW FW SC SC SC FW CL FW CL FW FW FW FW FW SC  
POP 12HR 0 0 0 20 5 5 5 5 10  
RAIN SHWRS S  
TSTMS S  
 

 
ILZ021-190900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 89 68 82 63  
TEMP 75 72 72 79 85 88 84 75 71 70 69 76 80 80 76 67 65 64 65  
DEWPT 73 72 72 76 77 76 77 74 71 69 69 72 72 72 69 65 63 63 64  
RH 94100100 91 77 68 80 97100 97100 87 77 77 79 93 93 97 97  
WIND DIR SW SW W NW N N N N N N N NE NE NE NE NE N N NE  
WIND SPD 6 5 4 6 6 8 8 4 3 4 5 8 10 10 10 6 5 5 5  
CLOUDS OV B2 B2 B1 B1 SC FW SC B1 B1 B1 SC SC SC FW FW SC SC SC  
POP 12HR 80 40 5 5 0  
QPF 12HR 0.53 0.14 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C S S S  
TSTMS L C C S S S  
HEAT INDEX 83 94 98 94 83 83  
MAX HEAT 95 100 89 83 84  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 61 84 64 80 56 75 52 73  
TEMP 80 77 64 63 81 79 67 64 78 74 61 57 73 69 57 54 71 68  
DEWPT 70 67 62 62 69 69 65 63 66 63 58 55 57 57 53 52 55 55  
PWIND DIR NE NE NW W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC SC FW FW CL FW FW FW FW FW FW  
POP 12HR 0 0 0 5 5 5 0 5 5  
 

 
INZ002-190900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 86 69 79 63  
TEMP 73 72 72 78 83 85 79 73 71 70 71 76 78 77 73 70 68 65 65  
DEWPT 71 71 71 72 72 72 72 72 70 69 70 70 69 68 67 67 66 63 63  
RH 93 97 97 82 70 65 79 97 97 97 97 82 74 74 81 90 93 93 93  
WIND DIR S S SW W NW N N N N N N N N N N N NE NE NE  
WIND SPD 6 6 6 8 9 10 9 6 5 6 5 10 12 13 10 8 4 4 5  
CLOUDS OV B2 B2 B2 B1 B1 SC SC SC B1 SC SC SC FW FW FW FW FW FW  
POP 12HR 80 50 5 5 0  
QPF 12HR 0.50 0.20 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L L C C C C  
TSTMS L L C C C C  
HEAT INDEX 89 91  
MAX HEAT 89 91  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 81 61 84 64 80 58 75 55 72  
TEMP 79 74 66 65 82 78 67 66 79 74 64 61 73 69 59 57 70 66  
DEWPT 65 65 64 63 65 65 64 64 63 60 58 56 53 52 53 53 52 52  
PWIND DIR NE NE SW W NW NW NW NW NW  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS FW FW CL FW FW FW FW SC FW FW FW CL FW FW FW FW FW FW  
POP 12HR 5 0 0 5 10 5 5 5 5  
 

 
ILZ005-190900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 83 66 77 61  
TEMP 71 71 70 75 80 82 78 72 69 67 67 73 75 76 72 65 63 63 64  
DEWPT 70 71 70 74 74 74 74 71 68 67 66 69 68 68 66 63 62 62 63  
RH 97100100 97 82 77 88 97 97100 97 87 79 76 81 93 97 97 97  
WIND DIR SW W NW N N N N NE N N N NE NE NE NE NE N N NE  
WIND SPD 5 5 6 8 8 8 5 3 3 4 5 9 10 10 8 5 4 4 4  
CLOUDS OV B2 B2 B2 B1 SC B1 SC SC SC B1 SC B1 SC FW FW FW FW FW  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.34 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S  
TSTMS C S  
HEAT INDEX 84 88  
MAX HEAT 85 88  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 81 59 82 62 77 55 71 51 70  
TEMP 78 74 62 61 79 77 67 63 75 71 60 55 69 66 56 52 67 65  
DEWPT 67 65 61 61 68 69 64 61 62 59 55 52 55 54 52 50 54 54  
PWIND DIR NE NE W W NW W NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW SC SC SC SC FW CL FW CL FW FW FW FW FW SC  
POP 12HR 0 0 0 10 5 0 0 5 5  
 

 
ILZ008-190900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 85 66 79 59  
TEMP 72 71 71 76 82 84 80 73 70 68 67 74 77 78 74 67 63 61 62  
DEWPT 71 71 71 74 74 73 73 70 69 67 67 69 68 68 66 63 61 60 61  
RH 97100100 94 77 70 79 90 97 97100 84 74 71 76 87 93 97 97  
WIND DIR SW W N N N N N N N N N NE NE NE NE NE NE N N  
WIND SPD 5 4 6 9 9 9 6 3 3 3 4 6 9 9 6 4 3 3 3  
CLOUDS OV B2 B2 B2 SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.25 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S  
TSTMS C S  
HEAT INDEX 87 90 84  
MAX HEAT 87 90  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 82 59 83 62 77 54 72 50 71  
TEMP 79 77 63 61 80 78 67 63 76 71 59 55 70 67 55 52 68 66  
DEWPT 68 66 61 60 67 69 64 61 61 59 55 52 55 54 51 50 53 54  
PWIND DIR NE E SW W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC FW FW FW SC SC SC SC FW CL CL CL FW FW FW FW FW FW  
POP 12HR 0 0 0 10 5 0 0 0 5  
 

 
ILZ011-190900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 84 66 79 61  
TEMP 72 71 71 76 81 83 80 73 69 67 67 74 77 77 73 66 63 62 63  
DEWPT 71 71 71 75 74 73 72 71 69 67 67 69 68 67 65 63 61 61 63  
RH 97100100 97 79 72 77 93100100100 84 74 71 76 90 93 97100  
WIND DIR S W NW N N N N N N N N NE NE NE NE NE N N N  
WIND SPD 6 5 6 9 9 9 6 4 3 4 5 9 10 10 8 5 4 4 4  
CLOUDS OV B2 B2 B2 B1 SC SC SC SC SC B1 SC SC SC FW FW FW FW SC  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.30 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S  
TSTMS C S  
HEAT INDEX 86 90 84  
MAX HEAT 86 90  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 82 59 83 63 78 55 72 51 71  
TEMP 79 75 62 62 80 77 67 64 76 71 60 56 70 66 56 52 68 66  
DEWPT 67 64 60 61 67 68 65 61 62 59 55 53 55 54 51 50 53 53  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS SC FW CL FW SC SC SC SC FW CL CL CL FW FW FW FW FW FW  
POP 12HR 0 0 0 10 5 0 0 5 5  
 

 
ILZ010-190900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 86 66 80 60  
TEMP 73 72 71 77 83 85 81 73 70 68 67 74 78 79 75 67 63 61 62  
DEWPT 72 72 71 75 74 74 75 72 70 68 67 70 70 69 67 65 62 60 61  
RH 97100100 94 74 70 82 97100100100 87 76 72 76 93 97 97 97  
WIND DIR SW W N N N N N N N N NE NE NE NE NE NE NE NE N  
WIND SPD 4 4 5 8 9 8 6 3 3 3 4 6 8 8 5 4 3 3 4  
CLOUDS OV B2 B2 B2 SC SC SC SC FW SC SC SC SC SC FW FW FW FW SC  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.28 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S  
TSTMS C S  
HEAT INDEX 89 93 87  
MAX HEAT 89 93  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 60 83 62 78 54 73 51 72  
TEMP 79 77 64 62 80 78 67 64 76 71 60 56 70 67 56 52 69 66  
DEWPT 69 68 62 61 68 70 65 62 63 61 56 53 56 56 52 51 54 55  
PWIND DIR NE E SW W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW FW FW FW SC SC SC FW CL CL CL FW FW FW FW FW FW  
POP 12HR 0 0 0 10 5 0 0 0 5  
 

 
ILZ012-190900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 85 67 80 63  
TEMP 73 71 71 76 81 83 80 74 70 69 69 75 78 78 73 67 65 65 66  
DEWPT 71 71 71 75 74 73 73 72 69 68 68 70 69 68 65 63 63 64 65  
RH 93100100 97 79 72 79 93 97 97 97 84 74 71 76 87 93 97 97  
WIND DIR S SW W N N N N N N N N NE NE NE NE NE N N NE  
WIND SPD 6 6 5 9 9 10 8 4 4 5 6 9 10 11 10 6 5 5 4  
CLOUDS OV B2 B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC FW FW FW FW  
POP 12HR 70 10 5 5 0  
QPF 12HR 0.32 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C  
TSTMS C C  
HEAT INDEX 87 90 84  
MAX HEAT 87 90  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 61 84 64 80 56 74 53 73  
TEMP 81 76 64 64 81 78 68 65 77 73 62 57 72 68 57 54 70 67  
DEWPT 66 63 61 62 67 67 66 62 63 59 56 54 54 53 52 51 53 52  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW FW SC SC SC FW FW FW CL CL FW FW FW FW SC  
POP 12HR 5 0 0 10 10 5 5 5 10  
 

 
ILZ020-190900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 86 68 81 63  
TEMP 73 72 72 78 82 85 81 75 71 69 69 76 79 79 74 68 65 65 66  
DEWPT 72 72 72 75 74 74 74 72 70 68 68 70 70 68 65 64 63 63 65  
RH 97100100 91 77 70 79 90 97 97 97 82 74 69 74 87 93 93 97  
WIND DIR S SW W N N N N N N N N NE NE NE NE NE N N NE  
WIND SPD 6 5 4 8 8 9 8 4 3 4 5 9 10 11 9 6 5 5 5  
CLOUDS OV B2 B1 B2 B1 SC SC SC SC SC SC SC SC SC FW FW FW FW FW  
POP 12HR 70 20 5 5 0  
QPF 12HR 0.40 0.05 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S  
TSTMS C C S S  
HEAT INDEX 89 92 87  
MAX HEAT 89 92 82  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 61 84 64 79 56 74 53 73  
TEMP 81 76 64 63 81 78 68 65 77 73 61 57 72 68 57 54 70 67  
DEWPT 67 64 61 62 68 68 66 62 64 61 56 54 56 54 52 51 53 53  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW FW FW SC SC FW FW FW CL CL FW FW FW FW FW  
POP 12HR 0 0 0 10 5 5 0 5 5  
 

 
ILZ013-190900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 72 85 69 79 66  
TEMP 73 72 72 77 82 84 80 75 72 71 70 76 77 77 73 69 68 67 68  
DEWPT 71 72 72 74 73 73 74 72 70 69 68 69 69 67 65 64 65 65 66  
RH 93100100 90 74 70 82 90 93 93 93 79 76 71 76 84 90 93 93  
WIND DIR S SW W N N N N N N N N N NE NE N N N N NE  
WIND SPD 6 6 5 9 9 10 8 5 4 5 6 10 11 11 10 9 5 5 5  
CLOUDS OV B2 B2 B2 B1 B1 B1 B1 SC SC B1 SC SC SC SC FW FW FW FW  
POP 12HR 70 20 5 5 0  
QPF 12HR 0.39 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S  
TSTMS C C S S  
HEAT INDEX 88 91 84  
MAX HEAT 89 91  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 63 85 66 80 59 74 55 73  
TEMP 81 76 67 66 82 80 71 68 78 74 64 60 72 69 60 56 71 68  
DEWPT 64 62 63 63 66 66 66 63 62 58 56 54 53 52 52 52 51 51  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW FW SC SC SC FW FW FW CL FW FW FW FW FW SC  
POP 12HR 5 0 0 10 10 5 5 5 10  
 

 
ILZ019-190900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 87 68 81 63  
TEMP 75 72 71 78 82 86 83 75 72 69 69 75 79 79 75 68 65 64 65  
DEWPT 73 72 71 74 74 74 75 72 70 68 67 69 70 69 67 64 62 62 63  
RH 94100100 88 77 68 77 90 93 97 93 82 74 72 76 87 90 93 93  
WIND DIR S SW W N N N N N N N N NE NE NE NE NE N N N  
WIND SPD 5 5 4 6 8 8 8 4 3 4 5 8 10 10 9 6 5 4 4  
CLOUDS OV B2 B1 B1 B1 FW SC SC SC SC SC SC SC SC SC FW FW SC SC  
POP 12HR 80 30 5 5 0  
QPF 12HR 0.42 0.07 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C S  
TSTMS C C C S  
HEAT INDEX 88 94 90  
MAX HEAT 89 94 84 82  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 61 83 64 79 56 73 53 72  
TEMP 79 77 64 63 80 79 68 65 76 73 61 57 71 68 57 54 69 67  
DEWPT 68 66 61 61 67 68 65 62 63 61 57 53 55 55 53 51 53 53  
PWIND DIR NE NE NW W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC FW CL FW FW FW SC SC FW FW FW CL CL FW FW FW FW FW  
POP 12HR 0 0 0 10 5 5 0 5 5  
 

 
ILZ106-190900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 86 69 81 65  
TEMP 74 73 72 78 83 85 82 75 72 71 70 77 80 79 75 69 67 67 67  
DEWPT 72 73 72 75 75 74 75 73 71 70 70 71 70 68 66 65 66 66 66  
RH 93100100 91 77 70 79 94 97 97100 82 72 69 74 87 97 97 97  
WIND DIR S SW W N N N N N N N N N NE NE NE N N N NE  
WIND SPD 6 6 5 8 8 9 8 5 4 5 6 9 10 11 10 6 5 4 4  
CLOUDS OV B2 B1 B2 B1 B1 SC B1 B1 SC SC SC SC SC FW FW FW FW FW  
POP 12HR 80 30 5 5 0  
QPF 12HR 0.47 0.09 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C S S S  
TSTMS C C C S S S  
HEAT INDEX 90 93 88 83  
MAX HEAT 91 93 83 83  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 62 85 65 81 58 75 54 74  
TEMP 81 76 66 65 82 79 69 66 78 74 63 59 73 69 58 55 72 68  
DEWPT 67 64 63 64 68 68 67 64 64 61 58 55 55 54 53 53 53 53  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT GN LT GN LT LT  
AVG CLOUDS FW FW CL FW FW FW SC SC FW FW FW CL CL FW FW FW FW SC  
POP 12HR 5 0 0 10 5 5 5 5 5  
 

 
ILZ023-190900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 87 68 81 64  
TEMP 74 72 71 78 84 85 81 73 71 70 69 76 79 79 74 68 66 65 65  
DEWPT 73 72 71 75 75 75 75 73 71 69 69 71 70 69 66 66 66 64 64  
RH 97100100 91 74 72 82100100 97100 85 74 72 76 93100 97 97  
WIND DIR S S SW NW NW N N N N N N N N N N N N NE NE  
WIND SPD 5 5 5 6 8 10 9 4 3 4 5 6 10 10 9 5 3 3 3  
CLOUDS OV B2 B1 B1 B1 B1 FW B1 B1 B1 B1 SC SC FW FW FW FW FW SC  
POP 12HR 80 50 5 5 0  
QPF 12HR 0.49 0.18 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C S S S  
TSTMS L C C S S S  
HEAT INDEX 92 93 87 82  
MAX HEAT 92 95 82 83  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 61 84 63 81 56 76 52 74  
TEMP 80 75 64 63 82 78 67 65 79 74 61 57 74 68 57 53 71 67  
DEWPT 67 64 63 63 67 67 65 63 65 62 58 55 55 54 53 52 53 52  
PWIND DIR NE NE W W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC FW FW CL CL CL FW FW FW FW FW  
POP 12HR 0 0 0 5 5 5 0 5 5  
 

 
ILZ033-190900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 88 69 82 63  
TEMP 74 72 72 80 85 87 84 73 71 70 69 76 80 80 75 68 67 65 65  
DEWPT 72 72 72 74 75 74 74 73 71 69 69 71 71 69 66 66 65 64 64  
RH 93100100 82 72 65 72100100 97100 85 74 69 74 93 93 97 97  
WIND DIR S S SW W NW N N NE N N N N N N N N N NE NE  
WIND SPD 5 6 5 6 8 9 9 4 4 4 5 6 8 9 8 5 3 3 3  
CLOUDS OV B2 B1 SC B1 B1 SC B1 B1 B1 B1 B1 SC SC FW FW SC FW SC  
POP 12HR 70 50 10 5 0  
QPF 12HR 0.45 0.20 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C C C C  
TSTMS L C C C C C  
HEAT INDEX 84 93 96 90 83 82  
MAX HEAT 94 97 83 84  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 60 85 63 82 56 77 51 75  
TEMP 80 76 65 63 82 79 67 65 79 74 61 58 74 70 57 54 72 68  
DEWPT 67 64 62 62 66 66 64 63 64 61 57 55 54 53 53 51 52 52  
PWIND DIR NE NE N W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC SC FW FW CL CL FW FW FW FW FW  
POP 12HR 5 0 0 5 5 5 5 0 5  
 

 
ILZ039-190900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 90 69 83 64  
TEMP 75 72 72 80 87 89 84 74 72 70 69 76 81 81 75 68 66 65 66  
DEWPT 73 72 72 75 75 75 75 73 71 70 69 71 71 70 67 66 65 64 65  
RH 94100100 85 68 64 74 97 97100100 85 72 69 76 93 97 97 97  
WIND DIR S S SW W NW N N N N N N N N N N N N N NE  
WIND SPD 6 5 5 6 8 9 9 5 4 4 5 8 9 10 10 8 5 5 5  
CLOUDS OV B2 B1 SC B1 B1 SC B1 B1 B1 B1 SC SC SC FW FW SC SC SC  
POP 12HR 60 50 10 10 0  
QPF 12HR 0.31 0.18 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C S C C  
TSTMS L C C S C C  
HEAT INDEX 85 96 99 92 84 84  
MAX HEAT 97 100 84 85  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 84 61 85 64 83 56 77 52 75  
TEMP 81 77 65 63 83 79 67 65 80 74 62 58 75 70 57 54 72 68  
DEWPT 68 66 63 62 67 66 64 64 65 62 58 55 56 55 53 52 53 53  
PWIND DIR NE NE N W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC FW FW FW FW FW FW SC SC FW FW CL CL FW FW FW FW FW  
POP 12HR 5 0 0 5 10 5 5 0 5  
 

 
INZ001-190900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 71 86 68 79 64  
TEMP 73 72 71 78 84 84 79 73 71 70 71 76 77 77 73 69 68 66 66  
DEWPT 71 72 71 74 74 73 73 72 71 70 69 71 70 69 67 67 67 64 64  
RH 93100100 88 72 70 82 97100100 93 85 79 76 81 93 97 93 93  
WIND DIR S S SW W N N N N N N N N N N N N NE NE NE  
WIND SPD 6 6 5 6 6 9 9 5 5 5 6 9 11 12 11 8 4 4 4  
CLOUDS OV B2 B1 B1 B2 B1 SC SC B1 B1 B1 SC SC FW FW FW FW FW FW  
POP 12HR 80 50 5 5 0  
QPF 12HR 0.54 0.18 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C C C C  
TSTMS L C C C C C  
HEAT INDEX 80 91 91 81  
MAX HEAT 92 93  
FLOOD A  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 81 62 84 64 81 58 75 54 73  
TEMP 79 74 66 65 82 78 68 66 79 74 64 60 73 69 59 56 71 67  
DEWPT 67 65 64 64 66 66 65 63 63 61 57 55 54 52 52 52 52 52  
PWIND DIR NE NE SW W NW NW NW NW NW  
WIND CHAR GN LT LT LT LT LT GN LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC FW FW FW CL CL FW FW FW FW FW  
POP 12HR 5 0 0 5 10 5 5 5 5  
 

 
INZ010-190900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 87 68 82 63  
TEMP 73 72 71 78 84 87 83 72 70 69 69 76 80 79 74 67 66 65 64  
DEWPT 71 71 71 74 75 74 74 72 70 69 69 71 71 69 67 66 65 64 63  
RH 93 97100 88 74 65 74100100100100 85 74 72 79 97 97 97 97  
WIND DIR S S SW W NW N N N N N N N N N N N N NE NE  
WIND SPD 5 6 5 6 6 9 9 5 3 4 5 6 9 10 9 5 3 3 3  
CLOUDS OV B2 B1 B1 B1 B1 SC B1 B1 B1 B1 SC SC SC FW FW FW FW SC  
POP 12HR 60 50 10 5 0  
QPF 12HR 0.41 0.18 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C C C C  
TSTMS L C C C C C  
HEAT INDEX 92 95 89 83 82  
MAX HEAT 93 95 83 84  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 60 84 63 81 56 76 52 74  
TEMP 80 76 64 63 82 78 66 65 79 74 61 58 74 69 56 54 72 68  
DEWPT 67 65 63 62 66 66 63 63 64 61 57 55 54 53 52 51 52 52  
PWIND DIR NE NE N W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC SC FW FW CL CL FW FW FW FW FW  
POP 12HR 0 0 0 5 5 5 5 5 5  
 

 
INZ011-190900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
1115 PM CDT MON AUG 18 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 87 68 81 63  
TEMP 72 71 71 78 84 86 82 72 70 69 69 75 79 79 73 68 66 65 64  
DEWPT 70 71 71 75 75 75 74 72 70 69 69 72 71 70 68 67 65 63 63  
RH 93100100 91 74 70 77100100100100 90 77 74 84 97 97 93 97  
WIND DIR S S SW W NW N N N N N N N N N N N N NE NE  
WIND SPD 5 5 5 6 6 9 9 5 3 4 5 6 9 10 10 5 3 3 3  
CLOUDS OV B2 B1 B1 B2 SC SC SC B1 B1 B1 SC SC SC FW FW FW FW FW  
POP 12HR 70 50 10 5 0  
QPF 12HR 0.44 0.19 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L L C C C C  
TSTMS L L C C C C  
HEAT INDEX 91 96 88 83 81  
MAX HEAT 92 96 83 83  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 60 84 63 81 56 76 52 73  
TEMP 80 75 64 63 82 78 66 64 79 74 62 58 74 69 56 54 71 67  
DEWPT 67 65 63 62 66 66 63 63 65 62 57 55 55 53 52 51 53 52  
PWIND DIR NE NE W W W NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL FW FW FW FW SC SC FW FW FW CL FW FW FW FW FW  
POP 12HR 0 0 0 5 5 5 5 5 5  
 

 
INZ019-190900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
1215 AM EDT TUE AUG 19 2025  
 
DATE 08/18/25 TUE 08/19/25 WED 08/20/25 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 70 89 69 82 64  
TEMP 73 71 71 79 85 88 84 73 71 69 69 76 80 79 74 68 67 65 65  
DEWPT 71 71 71 75 75 75 75 72 70 69 69 71 72 70 68 66 66 64 64  
RH 93100100 88 72 66 74 97 97100100 85 77 74 82 93 97 97 97  
WIND DIR S S SW W NW NW N N N N N N N N N N N NE NE  
WIND SPD 5 5 5 6 8 9 9 5 4 4 6 6 8 10 9 5 4 3 4  
CLOUDS OV B2 B2 B1 B1 B1 SC SC B1 B1 B1 SC SC SC FW SC FW SC FW  
POP 12HR 60 50 20 5 0  
QPF 12HR 0.31 0.24 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L L C C C C S S  
TSTMS L L C C C C S S  
HEAT INDEX 94 98 91 83 82  
MAX HEAT 94 98 84 84  
 
DATE 08/21 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 MON 08/25/25  
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 83 61 84 64 81 56 76 52 74  
TEMP 80 76 65 63 82 77 66 65 79 74 62 58 74 69 57 54 72 67  
DEWPT 68 66 63 62 67 66 63 64 65 62 58 56 55 54 53 51 52 52  
PWIND DIR NE NE N W NW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW CL CL FW FW FW SC SC FW FW CL CL FW FW FW FW FW  
POP 12HR 0 0 0 5 5 5 5 5 5  
 

 
 
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