ILZ084-262100-
Jackson-
Including the cities of Carbondale and Murphysboro
732 AM CDT Sun Jul 26 2026


...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

...HEAT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
TUESDAY...


.TODAY...Mostly sunny. A slight chance of showers and
thunderstorms this morning. Hot with highs in the mid 90s. Calm
winds, becoming southwest around 5 mph this afternoon. Chance of
rain 20 percent. Highest heat index readings heat index readings
up to 110 this afternoon.

.TONIGHT...Partly cloudy. Humid with lows in the upper 70s.
Southwest winds around 5 mph.

.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Highest heat index readings heat index readings up
to 111 in the afternoon.

.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds 5 to 10 mph.

.TUESDAY...Mostly sunny. Humid with highs in the mid 90s.
Northwest winds 5 to 10 mph.

.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s.

.WEDNESDAY...Sunny. Highs in the upper 80s.

.WEDNESDAY NIGHT...Clear. Lows in the mid 60s.

.THURSDAY...Sunny. Highs in the upper 80s.

.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s.

.FRIDAY...Partly sunny. Highs in the upper 80s.

.FRIDAY NIGHT...Partly cloudy. A chance of showers after
midnight. Lows in the upper 60s. Chance of rain 30 percent.

.SATURDAY...Mostly sunny. Highs in the mid 80s.

ILZ084-262100-
CARBONDALE-JACKSON IL
37.77N  89.25W Elev. 430 ft
731 AM CDT Sun Jul 26 2026

Date             Sun 07/26/26            Mon 07/27/26            Tue 07/28/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      95          77          98          79          95
Temp                83 90 93 91 82 81 79 79 88 95 97 92 85 83 81 79 87 92 94 89
Dewpt               79 80 78 80 77 76 75 75 79 78 76 77 74 72 71 72 75 75 74 74
RH                  88 73 62 70 85 85 88 88 75 58 51 62 70 70 72 79 68 58 53 61
Wind dir            SW SW  W  W  S  S  S SW SW SW SW  S SW SW SW  W NW NW  N  N
Wind spd             1  2  3  1  2  2  3  3  4  6  8  6  8  6  5  4  8  9  9  6
Clouds              SC SC SC SC SC FW FW SC FW SC FW FW FW FW SC SC FW FW SC SC
PoP 12hr                     20           5           0           0           0
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S                                                        S
Tstms                S                                                        S
Heat index          94108109109 90 87      103112111106 93 88 85    96103105 98
Max heat              108   112   103    85   112   111    99    86   103   105
Heat                          Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 07/29/26  Thu 07/30/26  Fri 07/31/26  Sat 08/01/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          71    89      66    89      68    88      68    86
Temp          77 71 86 85   71 68 86 85   72 69 85 83   72 70 83 82
Dewpt         71 66 67 68   67 66 66 67   67 67 68 69   68 68 69 69
PWind dir        NE    NE      NE    NE       E     S       E     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   CL CL FW FW   SC SC B1 B1   SC SC SC SC
PoP 12hr         20     5       0     0      20    20      30    20
Rain shwrs     S                              S     S    S  C     S
Tstms          S                                    S    S  S     S