Point Forecast Matrices
Issued by NWS Chicago, IL

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Point Forecast Matrices
National Weather Service Chicago/Romeoville IL
215 PM CDT Tue Sep 15 2026

ILZ104-160900-
Chicago O`Hare International Airport-Cook IL
41.99N  87.91W Elev. 667 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      64          72          65          77          65
Temp          83 77 72 69 66 64 69 72 72 67 65 67 67 67 70 75 77 72 69 68 66 65
Dewpt         71 71 69 65 62 62 64 65 65 65 65 67 67 66 67 68 68 66 65 65 65 64
RH            67 82 90 87 87 93 84 79 79 93100100100 97 90 79 74 81 87 90 97 97
Wind dir      SW NW  N  N  N NE NE NE NE NE NE NE NE  N  N  N NE NE NE NE NE NE
Wind spd       9  6  5  5  6  6  8  8  8  6  4  2  2  3  4  5  6  6  5  4  5  8
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     50          30          30          40          10
QPF 12hr                   0.02        0.01        0.09        0.28           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  C  C  S  S  C  S  S  S  C  C  C  C                    S
Tstms          S  C  C  C  C  S  S  C  S  S  S  C  C  C  C                    S
Heat index    87
Max heat         87


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          74      65    81      66    75      61    72      60    72
Temp          73 72   69 66 77 76   70 67 72 71   66 62 70 69   64 60 70 69
Dewpt         64 64   64 65 69 69   68 66 66 64   63 61 62 60   60 59 60 59
PWind dir         E      SE    SW       N    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B2   B2 B1 B2 B2   B2 B2 B2 OV   OV OV B2 B2   B2 B1 B1 B1
PoP 12hr         50      60    70      70    50      40    30      20    10
Rain shwrs     S  C    C  L  L  L    L  L  C  C    C  C  C  S    S  S
Tstms          S  C    C  C  S  C    C  S

$$
ILZ003-160900-
Greater Rockford Airport-Winnebago IL
42.20N  89.11W Elev. 745 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      58          73          62          75          60
Temp          78 72 69 64 61 58 66 72 72 67 62 63 63 64 68 73 75 72 67 63 61 61
Dewpt         71 70 65 59 58 57 61 64 65 62 62 63 63 63 66 68 69 67 65 63 61 61
RH            79 93 87 84 90 96 84 76 79 84100100100 97 93 84 82 84 93100100100
Wind dir       W  W  N  N NE NE NE  E  E  E  E  E NE NE NE  N  N  N NE NE NE  E
Wind spd       6  5  6  4  4  5  6  8  6  8  4  2  1  2  3  4  4  4  4  3  4  6
Clouds        B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B2
PoP 12hr                     30          30          40          40          20
QPF 12hr                      0           0        0.07        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S  S  C  S  S  S  C  S  S  S  C  C  C  C              S  S  C
Tstms          S  S  S  C  S  S  S  C  S  S  S  C  C  C  C              S  S  C


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          75      63    82      63    73      57    73      54    72
Temp          71 72   65 64 75 76   66 63 68 68   60 58 67 67   58 55 66 66
Dewpt         63 61   65 64 68 67   66 63 63 60   60 58 59 56   57 55 57 55
PWind dir         E      SE    SW      NE    NE      NE    NE       N    NE
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B1 B1 B2 B2   B2 B2 OV B2   B2 B2 B2 B2   B1 B1 B1 SC
PoP 12hr         60      70    70      60    50      40    30      20    20
Rain shwrs     C  L    C  L  L  L    L  L  C  C    C  C  C  S       S  S  S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ104-160900-
Chicago Midway Airport-Cook IL
41.78N  87.76W Elev. 612 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          73          67          76          67
Temp          87 80 73 71 68 67 70 73 73 70 67 68 68 68 71 75 76 72 71 70 68 67
Dewpt         71 71 70 68 64 63 64 65 65 64 66 68 68 67 68 69 68 67 65 65 65 64
RH            59 74 90 90 87 87 81 76 76 81 97100100 97 90 82 76 84 81 84 90 90
Wind dir      SW  N NE  N NE NE NE NE NE NE NE NE NE  N  N  N NE NE NE NE NE NE
Wind spd       8  6  5  6  6  6  8  6  8  6  4  2  2  3  4  4  6  6  6  5  5  6
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     60          20          40          40          10
QPF 12hr                   0.15           0        0.07        0.21           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  L  C  S  S  S  S  S  C  C  C  C  C                    S
Tstms          S  C  C  C  C  S  S  S  S  S  C  C  C  C  C                    S
Heat index    93 83
Max heat         93


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          74      66    82      68    75      63    72      62    72
Temp          74 73   70 68 79 78   72 68 73 72   67 64 70 70   65 62 70 69
Dewpt         62 62   64 64 68 68   68 67 65 63   63 61 60 58   59 59 57 57
PWind dir         E      SE    SW       N    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr         40      50    70      70    50      40    40      20    20
Rain shwrs     S  C    C  C  L  L    L  L  C  C    C  C  C  C    S  S  S
Tstms          S  C    C  C  S  C    C  C

$$
ILZ021-160900-
Morris-Grundy IL
41.43N  88.42W Elev. 569 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      65          77          67          79          65
Temp          88 80 74 71 69 65 70 76 77 72 67 67 67 67 71 77 78 75 71 68 66 66
Dewpt         73 72 72 69 67 63 66 69 69 67 67 67 67 66 68 71 71 70 68 67 66 65
RH            61 77 93 93 93 93 87 79 76 84100100100 97 90 82 79 84 90 97100 97
Wind dir       W NW  N  N  N NE NE NE NE NE NE NE  E  N  N NW  N NE NE NE NE NE
Wind spd       6  5  4  5  6  6  6  6  6  6  4  2  2  2  3  4  5  5  5  4  4  5
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1
PoP 12hr                     70          30          50          50          20
QPF 12hr                   0.18           0        0.42        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  S  C  C  S  S  C  C  C  C  C              S  S  C
Tstms          S  C  L  C  C  S  C  C  S  S  C  C  C  C  C              S  S  C
Heat index    95 83
Max heat         95


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          79      67    85      67    79      62    75      58    76
Temp          77 76   69 67 82 79   70 67 76 74   66 62 73 70   63 59 73 70
Dewpt         68 66   66 65 71 70   69 67 68 65   64 61 64 61   60 58 61 59
PWind dir         E      SE    SW      NE    NE      NE     N       N    NE
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B1 B1   SC SC B1 B2   B1 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         40      40    60      70    50      40    30      20    20
Rain shwrs     C  C    S  C  C  L    L  L  C  C    C  C  C  S       S  S
Tstms          C  C    S  C  S  C    C  S

$$
ILZ006-160900-
Waukegan-Lake IL
42.42N  87.87W Elev. 745 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      60          71          61          73          61
Temp          80 74 70 65 63 60 69 71 69 62 61 66 66 66 69 72 73 69 65 63 61 62
Dewpt         70 69 68 60 59 60 63 63 63 62 61 65 64 65 66 67 67 65 64 63 61 62
RH            72 84 93 84 87100 81 76 81100100 97 93 97 90 84 81 87 97100100100
Wind dir      SW  W NW  N  N NE NE NE NE NE  E  E  N  N  N NE NE NE NE NE NE NE
Wind spd       9  5  8  6  8  9 10  9  9  8  5  3  3  4  5  6  8  6  5  5  8 10
Clouds        B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     20          20          30          30           5
QPF 12hr                      0           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S           S  S  S  S  C  C  C  C                    C
Tstms                   S           S  S  S  S  C  C  C  C                    C
Heat index    83
Max heat         83


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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      61    78      61    72      57    71      56    70
Temp          69 69   64 63 74 73   66 63 70 68   62 59 68 67   60 57 68 66
Dewpt         62 62   64 63 68 68   66 63 64 63   62 59 61 59   59 57 59 58
PWind dir         E      SE     S      NE    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   OV B2 B2 B2   B2 B1 B1 B1
PoP 12hr         50      70    80      70    50      40    30      20    20
Rain shwrs     C  C    L  L  D  L    L  L  C  C    C  C  C  C    S  S  S  S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ021-160900-
Pontiac-Livingston IL
40.92N  88.63W Elev. 648 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          81          68          80          65
Temp          91 81 75 71 70 66 70 78 81 77 69 69 69 70 72 78 80 76 71 68 66 66
Dewpt         71 73 73 71 69 66 69 73 74 72 69 69 69 68 70 72 71 71 70 68 66 66
RH            52 77 94100 97100 97 85 79 85100100100 93 93 82 74 85 97100100100
Wind dir       W NW  N  N NE NE  E  E NE NE  E  E SE  S  W NW NW  N NE NE NE  E
Wind spd       8  8  5  3  4  4  5  3  4  5  3  1  2  2  3  3  4  3  4  3  4  3
Clouds        SC SC B2 B2 B2 B2 B2 OV B2 B2 SC B1 B1 B2 B2 B2 B2 B1 SC B1 B2 B1
PoP 12hr                     70          30          50          50          20
QPF 12hr                   1.27        0.01        0.22        0.65           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  L  L  C  C  C  C  S  S  C  C  C  C  C              S  S  C
Tstms          S  C  L  C  C  C  C  C  S  S  C  C  C  C  C              S  S  C
Heat index    98 86                   85                      83
Max heat         98                      86                      84


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          83      67    88      67    81      61    76      57    76
Temp          79 78   69 68 84 82   70 67 78 75   65 62 73 71   62 58 73 70
Dewpt         71 69   67 66 73 72   69 67 70 68   65 62 66 63   61 58 63 61
PWind dir         E      SE    SW       E    NE      NE     N       N    NE
Wind char        LT      GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    B1 SC   FW SC B1 B2   B1 B2 B1 B2   B2 B2 B2 B2   B1 SC SC SC
PoP 12hr         30      20    40      70    50      40    30      20    20
Rain shwrs     C  S       S  C  C    L  L  C  C    C  C  C  S       S  S
Tstms          C  S       S  S  C    S  S     S

$$
INZ002-160900-
Valparaiso-Porter IN
41.45N  87.00W Elev. 770 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      64          77          66          76          63
Temp          89 80 73 70 68 64 69 75 77 71 66 69 69 70 72 76 75 71 68 67 65 63
Dewpt         70 71 71 70 68 64 67 69 70 68 66 69 69 68 70 71 70 68 67 66 65 63
RH            54 74 93100100100 93 82 79 90100100100 93 93 85 84 90 97 97100100
Wind dir      SW NW  N  N NE NE NE NE  N NE NE  E  S NW  W NW  N  N  N NE NE NE
Wind spd       8  6  4  4  5  4  4  4  4  4  3  2  2  2  3  5  6  6  4  3  4  5
Clouds        SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     70          40          40          50          10
QPF 12hr                   0.62        0.01        0.01        0.17           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  L  L  C  C  C  S  S  S  C  C  C  C  C
Tstms          S  L  L  C  C  C  C  S  S  S  C  C  C  C  C
Heat index    94 83
Max heat         94


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          77      61    83      65    78      59    74      56    74
Temp          75 74   66 64 79 77   70 67 75 72   65 62 71 69   61 58 71 68
Dewpt         62 62   61 62 68 69   68 67 66 65   63 60 61 60   59 57 58 59
PWind dir         E      SE    SW      NW    NE       E    NE      NE     N
Wind char        LT      GN    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B1 B1   B1 SC B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 SC
PoP 12hr         20      40    60      70    50      40    30      20    20
Rain shwrs        S    S  C  C  L    L  L  C  C    C  C  C  C    S     S
Tstms             S    S  C  S  C    S  C     S

$$
ILZ005-160900-
Woodstock-McHenry IL
42.31N  88.44W Elev. 950 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      59          72          62          75          61
Temp          79 72 69 64 62 59 67 71 71 66 62 63 63 64 69 74 75 71 66 63 61 61
Dewpt         70 70 67 59 57 58 64 65 65 65 62 63 63 63 66 68 68 66 64 63 61 61
RH            74 93 93 84 84 96 90 81 81 97100100100 97 90 82 79 84 93100100100
Wind dir       W  W  N  N NE NE NE  E  E  E  E NE  N NE NE  N  N NE NE NE NE NE
Wind spd       9  5  6  4  4  5  6  8  8  6  3  1  1  1  3  4  4  5  4  3  4  6
Clouds        B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 OV OV B2 B2 B2 B1 B1
PoP 12hr                     30          20          30          30          10
QPF 12hr                      0           0        0.03        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  S  S  S  S  S  S  S  C  C  C  C                    C
Tstms             S  S  C  S  S  S  S  S  S  S  C  C  C  C                    C


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          73      63    80      63    72      58    71      55    71
Temp          70 69   65 64 73 74   66 64 68 68   62 59 67 66   59 56 67 65
Dewpt         66 64   64 64 71 70   66 64 67 64   61 59 63 60   58 56 61 59
PWind dir         E      SE    SW      NE    NE      NE    NE      NE    NE
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr         60      70    80      60    50      40    30      20    20
Rain shwrs     C  L    C  L  D  L    L  L  C  C    C  C  C  C    S  S     S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ008-160900-
Oregon-Ogle IL
42.01N  89.33W Elev. 697 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      58          72          62          76          61
Temp          80 74 70 65 62 58 65 71 72 67 62 64 64 64 68 75 76 73 67 64 62 61
Dewpt         71 70 67 60 58 58 63 65 67 67 62 64 64 63 66 69 70 69 67 64 62 61
RH            74 87 90 84 87100 93 81 84100100100100 97 93 82 82 87100100100100
Wind dir       W NW  N  N NE NE NE  E  E  E  E  E NE NE NE  N  N  N NE NE  E  E
Wind spd       6  5  6  4  4  5  5  6  5  5  3  1  1  1  2  3  3  3  4  3  4  5
Clouds        B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     40          30          50          40          20
QPF 12hr                   0.03        0.01        0.11        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S  C  C  S  S  C  C  S  S  C  C  C  C  C              S  S  L
Tstms          S  S  C  C  S  S  C  C  S  S  C  C  C  C  C              S  S  C
Heat index    83
Max heat         83


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          75      63    82      63    75      57    73      54    72
Temp          72 73   66 65 77 76   67 64 70 69   61 59 67 67   58 55 67 66
Dewpt         67 67   65 65 72 71   66 63 67 64   61 58 62 60   58 55 60 59
PWind dir         E      SE    SW      NE    NE      NE     N       N    NE
Wind char        GN      GN    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         60      60    70      60    50      40    20      20    20
Rain shwrs     L  L    C  L  L  L    L  L  C  C    C  C  S  S       S  S  S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ011-160900-
Sycamore-DeKalb IL
41.98N  88.69W Elev. 863 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      60          73          63          76          61
Temp          80 74 70 66 62 60 68 73 72 68 63 64 64 65 69 75 76 72 67 65 62 62
Dewpt         72 70 69 61 59 58 63 65 66 65 63 64 64 64 67 69 69 68 66 64 62 62
RH            77 87 97 84 90 93 84 76 81 90100100100 97 93 82 79 87 97 97100100
Wind dir      SW NW  N  N NE NE NE  E  E  E  E  E NE NE NE  N  N  N NE NE NE  E
Wind spd       8  6  3  5  5  5  6  8  6  6  4  2  2  2  4  4  5  5  5  4  5  6
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     40          30          40          40          20
QPF 12hr                   0.01        0.01        0.12        0.13           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  C  C  S  C  C  S  S  C  C  C  C  C              S  S  C
Tstms          S  C  C  C  C  S  C  C  S  S  C  C  C  C  C              S  S  C
Heat index    84
Max heat         85


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          75      64    81      64    75      59    73      55    73
Temp          73 72   66 65 77 76   67 64 71 70   62 59 69 68   59 56 69 67
Dewpt         66 64   65 65 70 70   67 64 66 63   62 59 62 60   58 56 60 58
PWind dir         E      SE    SW      NE    NE      NE    NE       N    NE
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr         60      60    70      60    50      40    30      20    20
Rain shwrs     C  L    C  L  L  L    L  L  C  C    C  C  C  S       S     S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ010-160900-
Dixon-Lee IL
41.85N  89.45W Elev. 697 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      59          73          63          77          62
Temp          81 74 70 65 62 59 64 72 73 70 64 65 64 65 69 76 77 73 68 66 63 62
Dewpt         72 71 68 61 59 58 63 66 67 67 64 65 64 64 67 70 70 69 68 66 63 62
RH            74 90 93 87 90 96 97 81 81 90100100100 97 93 82 79 87100100100100
Wind dir       W NW  N NE NE NE NE  E  E  E  E  E NE NE NE NW  N  N NE NE  E  E
Wind spd       6  5  6  4  5  6  6  6  5  5  4  1  1  1  2  3  4  3  4  4  4  5
Clouds        B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 OV B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          30          50          40          30
QPF 12hr                   0.02        0.02        0.35        0.04        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S  C  C  C  C  C  C  S  S  C  C  C  C  C              C  C  L
Tstms          S  S  C  C  C  C  C  C  S  S  C  C  C  C  C              C  C  C
Heat index    85
Max heat         85


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          76      65    83      64    75      58    73      55    72
Temp          74 73   67 66 78 77   68 64 72 70   62 59 69 68   59 56 68 67
Dewpt         68 67   67 66 71 70   68 64 66 64   62 59 62 60   59 56 60 59
PWind dir         E      SE    SW      NE    NE      NE     N       N    NE
Wind char        GN      GN    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B2 B1   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         60      60    70      60    50      40    20      20    20
Rain shwrs     L  L    C  L  L  L    L  L  C  C    C  C  S  S       S  S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ012-160900-
Geneva-Kane IL
41.88N  88.31W Elev. 727 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      62          73          64          77          63
Temp          83 76 72 68 64 62 69 72 73 67 64 65 65 66 70 76 77 73 69 66 64 63
Dewpt         72 71 69 64 61 61 64 66 66 66 64 65 65 65 67 69 69 68 66 65 64 63
RH            70 85 90 87 90 97 84 81 79 97100100100 97 90 79 76 84 90 97100100
Wind dir      SW NW  N  N NE NE NE NE NE NE  E NE NE NE NE  N  N NE NE NE NE NE
Wind spd       8  6  4  5  6  6  6  8  6  6  4  2  2  2  4  4  5  5  5  4  5  6
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     50          30          40          40          10
QPF 12hr                   0.03           0        0.10        0.12           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  C  C  S  S  C  S  S  C  C  C  C  C                    C
Tstms          S  C  C  C  C  S  S  C  S  S  C  C  C  C  C                    C
Heat index    89
Max heat         89


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          75      64    82      65    75      60    73      58    73
Temp          74 72   67 65 78 77   68 66 73 71   64 61 71 69   61 58 71 68
Dewpt         66 65   65 65 71 70   68 66 67 64   63 61 63 60   60 58 61 59
PWind dir         E      SE    SW       N    NE      NE    NE       N    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr         50      60    70      70    50      40    30      20    10
Rain shwrs     C  C    C  L  L  L    L  L  C  C    C  C  C  S    S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ020-160900-
Yorkville-Kendall IL
41.64N  88.45W Elev. 618 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      63          75          65          78          64
Temp          85 78 72 70 66 63 68 74 74 70 65 66 66 66 69 76 78 74 69 67 65 64
Dewpt         72 72 70 68 64 62 65 67 67 66 65 66 66 65 67 70 70 69 67 66 65 64
RH            65 82 93 93 93 97 90 79 79 87100100100 97 93 82 76 84 93 97100100
Wind dir      SW NW  N  N NE NE NE NE NE NE  E NE  E  N  N NW  N NE NE NE NE NE
Wind spd       6  5  4  5  6  6  6  6  6  6  4  2  2  2  3  4  5  5  6  4  5  6
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     70          30          40          40          10
QPF 12hr                   0.08           0        0.31        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  L  C  S  C  C  S  S  C  C  C  C  C                    C
Tstms          S  C  C  C  C  S  C  C  S  S  C  C  C  C  C                    C
Heat index    90
Max heat         91


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          77      65    83      66    77      61    74      57    74
Temp          75 73   68 66 80 77   69 66 74 72   65 61 71 69   62 58 71 68
Dewpt         67 65   65 65 71 70   69 66 67 64   63 61 63 60   60 57 60 58
PWind dir         E      SE    SW      NE    NE      NE     N       N    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 SC B1 B2   B1 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         40      50    70      70    50      40    30      10    10
Rain shwrs     C  C    C  C  L  L    L  L  C  C    C  C  C  S          S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ013-160900-
Wheaton-DuPage IL
41.86N  88.11W Elev. 752 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      63          73          65          77          64
Temp          85 78 72 69 65 63 69 73 72 68 65 66 66 67 70 75 77 73 70 67 66 64
Dewpt         72 71 69 66 62 62 64 66 66 65 65 66 66 66 67 68 68 67 66 65 65 64
RH            65 79 90 90 90 97 84 79 81 90100100100 97 90 79 74 81 87 93 97100
Wind dir      SW NW NE  N NE NE NE NE NE NE NE NE NE  N  N  N  N NE NE NE NE NE
Wind spd       8  5  5  5  6  6  6  6  6  6  4  2  2  2  4  4  5  6  5  4  5  6
Clouds        B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     50          30          40          40          10
QPF 12hr                   0.04           0        0.14        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  C  C  S  S  C  S  S  C  C  C  C  C                    C
Tstms          S  C  C  C  C  S  S  C  S  S  C  C  C  C  C                    C
Heat index    90
Max heat         91


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          74      65    81      66    75      61    72      59    72
Temp          73 72   68 66 78 77   70 66 72 71   65 62 69 69   63 59 70 68
Dewpt         65 64   65 65 70 70   68 66 67 64   64 61 63 60   60 59 61 58
PWind dir         E      SE    SW       N    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr         50      60    70      70    50      40    30      20    10
Rain shwrs     C  C    C  L  L  L    L  L  C  C    C  C  C  S    S  S
Tstms          C  C    C  C  S  C    C  S

$$
ILZ019-160900-
Ottawa-LaSalle IL
41.35N  88.84W Elev. 494 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      64          77          67          79          65
Temp          87 78 74 70 68 64 68 75 77 74 68 67 67 67 71 77 79 75 71 68 66 65
Dewpt         72 72 72 68 67 63 66 69 69 68 68 67 67 66 68 71 71 70 69 67 65 65
RH            61 82 93 93 97 97 93 82 76 82100100100 97 90 82 77 84 93 97 97100
Wind dir       W NW  N NE NE NE NE NE NE  E  E  E NE  N  N NW NW  N NE NE  E  E
Wind spd       5  6  4  5  6  6  6  5  5  5  4  2  2  2  3  3  4  4  5  4  5  5
Clouds        B1 SC B2 B2 B2 B2 B2 OV B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B1
PoP 12hr                     70          30          50          50          20
QPF 12hr                   0.13        0.01        0.16        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  C  C  C  S  S  C  C  C  C  C              S  S  C
Tstms          S  C  L  C  C  C  C  C  S  S  C  C  C  C  C              S  S  C
Heat index    94
Max heat         94


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          79      68    85      66    78      61    75      58    75
Temp          77 76   69 68 81 79   70 67 75 73   66 62 72 70   63 58 72 69
Dewpt         67 67   66 65 70 71   68 66 67 65   64 61 62 61   60 57 60 59
PWind dir         E      SE    SW      NE    NE      NE     N       N    NE
Wind char        GN      GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC SC B1 B2   B1 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC B1
PoP 12hr         50      40    60      70    50      40    30      20    20
Rain shwrs     C  C       C  C  L    L  L  C  C    C  C  C  S       S  S
Tstms          C  C       C  S  C    C  S

$$
ILZ106-160900-
Joliet-Will IL
41.53N  88.12W Elev. 655 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      65          76          67          78          66
Temp          88 79 74 71 68 65 71 76 75 71 67 67 67 67 71 77 78 74 71 69 67 66
Dewpt         72 72 72 69 66 64 66 68 69 67 67 67 67 66 68 70 70 69 68 67 66 66
RH            59 79 93 93 93 97 84 76 82 87100100100 97 90 79 76 84 90 93 97100
Wind dir       W NW  N NE NE NE NE NE NE NE NE NE  E  N  N NW  N NE NE NE NE NE
Wind spd       8  6  5  5  6  6  6  6  6  6  4  2  2  2  3  4  5  5  5  4  4  5
Clouds        B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     70          30          40          50          10
QPF 12hr                   0.12           0        0.21        0.08           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  S  C  C  S  S  C  C  C  C  C                    C
Tstms          S  C  L  C  C  S  C  C  S  S  C  C  C  C  C                    C
Heat index    94 83
Max heat         95


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          78      66    84      67    78      62    74      59    75
Temp          77 75   69 67 81 79   71 68 76 74   67 63 72 71   64 60 72 70
Dewpt         67 65   66 66 72 71   69 67 68 65   65 62 64 61   61 59 61 59
PWind dir         E      SE    SW       N    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 SC
PoP 12hr         40      50    70      70    50      40    30      10    10
Rain shwrs     C  C    C  C  C  L    L  L  C  C    C  C  C  C
Tstms          C  C    C  C  S  C    C  S  S

$$
ILZ023-160900-
Kankakee-Kankakee IL
41.12N  87.86W Elev. 630 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          80          67          80          65
Temp          91 82 75 71 70 66 71 77 80 73 67 69 69 70 73 78 79 75 70 68 67 65
Dewpt         70 72 72 71 69 66 68 71 72 70 67 69 69 68 70 72 71 70 69 67 66 65
RH            50 72 90100 97100 90 82 77 90100100100 93 90 82 77 84 97 97 97100
Wind dir       W NW  N NE NE NE NE NE NE NE NE  E SE NW NW NW NW  N NE NE NE NE
Wind spd       8  6  5  3  3  4  4  3  3  4  2  1  1  1  2  3  4  4  4  3  2  3
Clouds        SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     70          30          50          50          20
QPF 12hr                   0.85        0.01        0.36        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  L  L  C  C  C  S  S  S  C  C  C  C  C              S  S  C
Tstms          S  L  L  C  C  C  C  S  S  S  C  C  C  C  C              S  S  C
Heat index    97 87                   83
Max heat         97                      83                      83


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          81      65    87      67    81      61    76      58    76
Temp          78 77   68 67 83 81   70 67 78 74   66 62 73 70   62 59 73 69
Dewpt         68 67   65 64 70 70   69 67 69 67   65 61 64 62   60 58 61 61
PWind dir         E      SE    SW       E     N      NE     N      NE    NE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC B1 B1   B1 B2 B2 B1   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         30      30    60      70    50      40    30      10    20
Rain shwrs     C  S    S  C  C  L    L  L  C  C    C  C  C  C          S
Tstms          C  S    S  C  S  C    S  C     S

$$
ILZ033-160900-
Watseka-Iroquois IL
40.78N  87.73W Elev. 636 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          82          69          80          64
Temp          93 83 76 72 70 66 70 79 82 76 69 70 70 71 74 79 80 76 70 68 66 65
Dewpt         69 69 72 71 70 66 70 73 73 71 69 70 69 70 72 72 72 71 69 67 66 65
RH            46 63 87 97100100100 82 74 85100100 97 97 93 79 77 85 97 97100100
Wind dir       W  S NW  N NE NE NE NE NE NE NE NE NW  W NW  W NW  N NE NE NE NE
Wind spd       9  5  4  2  3  3  3  1  1  2  2  1  1  1  2  2  2  2  3  2  2  2
Clouds        SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          30          50          50          20
QPF 12hr                   0.37        0.01        0.06        0.59           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Tstms          S  C  L  C  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Heat index    98 86                   88                      84
Max heat         98                      88                      84


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          83      65    88      67    82      61    76      57    75
Temp          80 77   68 67 85 81   71 68 80 75   65 62 73 70   61 58 73 69
Dewpt         67 66   65 63 69 69   68 66 67 66   65 61 64 62   60 57 61 60
PWind dir         E      SE    SW      NE     N      NE     N       N    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC SC B1   B1 B2 B2 B1   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         20      20    40      60    50      40    30      20    20
Rain shwrs     S  S    S  S  S  C    L  L  C  C    C  C  C  C    S     S
Tstms          S  S    S  S  S  C    S  S     S    S

$$
ILZ039-160900-
Paxton-Ford IL
40.45N  88.10W Elev. 776 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          84          70          81          65
Temp          94 83 76 73 71 67 71 79 84 79 71 72 71 71 74 79 80 77 71 68 67 66
Dewpt         68 69 73 71 71 67 71 74 74 73 71 71 70 70 72 72 72 72 70 68 67 66
RH            43 63 90 93100100100 85 72 82100 97 97 97 93 79 77 85 97100100100
Wind dir       W  S NW  N NE  E NE  E NE NE  E  S  S NW  W  W NW  N NE NE NE NE
Wind spd       8  6  5  3  4  4  3  2  2  3  3  2  3  3  3  3  4  4  5  4  4  4
Clouds        SC SC B1 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 B1 B1 SC SC B1 B1 B1
PoP 12hr                     70          40          50          50          10
QPF 12hr                   0.30        0.01        0.05        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  L  C  C  C  S  S  S  C  C  C  C  C                    S
Tstms          S  C  C  C  C  C  C  S  S  S  C  C  C  C  C                    S
Heat index    99 86                82 91                   82 84
Max heat         99                83    92                82    85


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          84      67    89      68    83      62    76      58    76
Temp          82 79   69 68 87 83   71 68 81 77   66 63 74 71   62 59 73 70
Dewpt         70 68   66 65 70 69   68 66 69 67   65 63 66 63   60 58 63 61
PWind dir         E      SE    SW      SW     N      NE     N       N    NE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   FW SC SC B1   B1 B1 B1 B1   B1 B2 B2 B2   B1 SC SC SC
PoP 12hr         20      20    20      60    50      40    30      20    20
Rain shwrs     S  S    S  S  S  S    L  L  C  C    C  C  C  C    S     S
Tstms          S  S    S  S  S  S    S  S     C    S

$$
INZ001-160900-
Crown Point-Lake IN
41.42N  87.34W Elev. 697 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      65          77          66          77          64
Temp          90 80 74 71 69 65 71 76 76 72 66 69 68 69 72 76 76 72 69 68 66 64
Dewpt         70 72 72 70 68 64 67 70 70 68 66 69 68 68 70 71 70 69 67 66 65 64
RH            52 77 93 97 97 97 87 82 82 87100100100 97 93 85 82 90 93 93 97100
Wind dir      SW NW  N  N NE NE NE NE  N NE NE NE SW NW NW NW  N  N NE NE NE NE
Wind spd       8  6  4  4  5  5  5  4  5  5  2  1  2  2  3  4  6  6  5  3  3  5
Clouds        SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     70          30          40          50          10
QPF 12hr                   0.54           0        0.14        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  L  L  C  C  S  S  S  S  C  C  C  C  C                    S
Tstms          S  L  L  C  C  C  S  S  S  S  C  C  C  C  C                    S
Heat index    96 83
Max heat         96


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          78      63    84      66    78      60    74      57    74
Temp          75 74   67 65 80 78   71 68 75 72   65 62 71 69   62 59 71 69
Dewpt         65 64   63 63 70 70   68 66 68 66   63 61 63 61   59 58 60 59
PWind dir         E      SE    SW      NE    NE      NE    NE      NE    NE
Wind char        LT      GN    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1   B1 SC B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         20      40    60      70    50      40    30      20    20
Rain shwrs     S  S    S  C  C  L    L  L  C  C    C  C  C  C    S     S
Tstms          S  S    S  C  S  C    S  C     S

$$
INZ010-160900-
Kentland-Newton IN
40.77N  87.45W Elev. 673 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      65          82          69          80          64
Temp          92 82 76 72 70 65 71 79 82 75 69 71 70 71 74 79 79 76 68 67 66 65
Dewpt         68 67 72 71 70 65 71 73 72 71 69 70 70 70 71 72 72 70 68 67 65 64
RH            46 61 87 97100100100 82 72 87100 97100 97 90 79 79 82100100 97 97
Wind dir      SW  S NW  N NE NE NE NE NE NE  E SE NW  W NW  W NW  N NE NE NE NE
Wind spd       9  6  4  2  3  3  3  2  1  2  2  1  1  1  2  3  3  3  3  3  2  3
Clouds        SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          40          50          50          20
QPF 12hr                   0.42        0.01        0.12        0.28           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Tstms          S  C  L  C  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Heat index    97 84                   87                      82
Max heat         97                      88                      83


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          82      64    87      67    82      61    75      57    75
Temp          80 76   67 66 85 80   70 68 80 75   65 62 73 70   61 58 73 69
Dewpt         66 65   64 63 68 68   68 66 67 66   64 61 63 61   60 57 60 59
PWind dir         E      SE    SW      SE     N      NE     N       N    NE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC B1 B1   B1 B2 B2 B1   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         20      20    30      60    50      40    30      20    20
Rain shwrs     S  S    S  S  S  C    L  L  C  C    C  C  S  C    S  S  S
Tstms          S  S    S  S  S  C    S  C     S    S

$$
INZ011-160900-
Rennsselaer-Jasper IN
40.94N  87.15W Elev. 661 ft
215 PM CDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                      65          81          68          80          64
Temp          91 81 76 72 70 65 71 78 81 74 68 71 70 71 74 79 79 75 68 67 65 64
Dewpt         68 67 72 71 70 65 70 73 73 71 68 70 69 70 71 72 72 70 68 66 65 64
RH            47 63 87 97100100 97 85 77 90100 97 97 97 90 79 79 84100 97100100
Wind dir      SW  S  N  N NE NE NE NE NE NE NE  E  W  W  W  W NW  N NE NE NE NE
Wind spd       9  6  5  3  3  3  3  2  2  3  2  1  1  1  2  3  4  5  4  3  3  4
Clouds        SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     70          40          50          50          20
QPF 12hr                   0.48        0.01        0.13        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  L  L  L  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Tstms          S  L  L  C  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Heat index    96 83                   86                   81 83
Max heat         96                      86                82    84


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          80      63    86      66    81      60    75      56    75
Temp          78 76   66 65 83 79   70 67 78 74   65 62 73 70   61 58 72 69
Dewpt         66 65   63 62 70 69   68 65 69 66   64 61 64 62   59 57 61 60
PWind dir         E      SE    SW      SE    NE      NE     N      NE    NE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC B1 B1   B2 B2 B2 B1   B2 B2 B2 B2   B1 B1 SC SC
PoP 12hr         20      30    50      60    50      40    30      20    20
Rain shwrs     S  S    S  C  C  C    L  L  C  C    C  C  C  C    S  S  S  S
Tstms          S  S    S  C  S  C    S  C     S

$$
INZ019-160900-
Fowler-Benton IN
40.62N  87.32W Elev. 812 ft
315 PM EDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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          83          71          80          65
Temp          91 81 76 72 71 67 73 79 83 77 71 72 71 71 74 79 79 77 70 68 67 66
Dewpt         68 68 71 71 70 67 72 73 73 72 71 71 70 70 71 72 72 71 69 68 66 65
RH            47 65 85 97 97100 97 82 72 85100 97 97 97 90 79 79 82 97100 97 97
Wind dir      SW  S NW  N NE  E NE NE NE NE  E SE SW  W NW  W NW  N NE NE NE NE
Wind spd      10  6  8  2  3  3  3  2  1  2  2  1  2  2  2  3  3  3  4  3  3  3
Clouds        SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          40          50          50          20
QPF 12hr                   0.51        0.01        0.05        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Tstms          S  C  L  C  C  C  C  S  S  S  C  C  C  C  C              S  S  S
Heat index    95 84                83 89                      83
Max heat         95                83    90                      83


Date           09/18  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          82      65    87      68    82      63    76      58    75
Temp          80 77   68 67 85 81   71 69 80 75   66 64 74 71   62 59 73 69
Dewpt         67 65   64 63 69 69   68 66 67 66   65 62 64 61   60 58 60 59
PWind dir         E      SE    SW      SE     N      NE     N       N    NE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC SC B1   B1 B1 B1 B1   B1 B2 B2 B2   B1 B1 SC SC
PoP 12hr         20      20    30      60    50      40    20      20    20
Rain shwrs     S  S       S  S  C    L  L  C  C    C  C  S  S    S  S  S  S
Tstms          S  S       S  S  C    S  S     S    S

$$