465
FOUS53 KLSX 111546
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1046 AM CDT TUE AUG 11 2026
ILZ100-101-MOZ061-063-064-112100-
MADISON IL-SAINT CLAIR IL-SAINT CHARLES MO-SAINT LOUIS MO-
SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF ALTON, EDWARDSVILLE, BELLEVILLE, CAHOKIA,
SAINT CHARLES, AND SAINT LOUIS
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 97 78 97 76 94
TEMP 94 97 94 85 82 79 78 88 95 97 92 83 81 79 76 84 91 94 90
DEWPT 75 75 75 72 71 70 70 74 75 75 76 73 72 71 72 75 76 75 76
RH 54 50 54 65 69 74 76 63 53 50 60 72 74 77 87 74 62 54 64
WIND DIR SW SW SW S SW SW S SW SW SW S S S S SE S SE E NE
WIND SPD 9 8 5 5 5 5 5 8 6 6 4 4 4 4 4 5 5 5 5
CLOUDS B1 SC SC SC SC FW SC SC SC SC SC SC FW SC B1 B1 SC SC B1
POP 12HR 5 10 30 30 20
QPF 12HR 0 0.00-0.12 0.00-0.19 0.00-0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS IS IS IS IS IS S S S S S
TSTMS IS SC IS IS IS IS IS IS S S S S S
HEAT INDEX 107109106 92 86 81 97107110105 90 84 92103106102
MAX HEAT 112 113 105 91 113 116 105 90 107 112
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 92 75 97 77 96 73 87
TEMP 79 74 89 89 79 75 94 93 81 78 94 91 78 74 85 82
DEWPT 73 71 76 76 73 70 74 75 70 68 73 74 72 71 74 73
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC SC
POP 12HR 40 10 10 5 5 5 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
MOZ049-050-112100-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 77 96 76 95
TEMP 93 96 93 84 82 79 77 86 93 96 91 83 80 78 76 83 91 94 90
DEWPT 73 73 75 71 70 69 69 73 74 73 74 71 70 69 70 73 74 73 75
RH 52 48 56 65 67 72 76 65 54 48 58 67 72 74 82 72 58 51 62
WIND DIR SW SW SW S S SW SW SW SW SW S S SW SW S S SW S E
WIND SPD 9 8 4 4 5 6 6 8 8 6 4 5 5 5 4 5 5 6 4
WIND GUST 21 18 17 18 19 18 17 16
CLOUDS B1 SC SC SC FW FW SC SC SC SC SC FW FW FW B1 SC SC SC SC
POP 12HR 5 10 10 20 10
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS S S S S S
TSTMS IS IS IS IS S S S S S
HEAT INDEX 102106104 89 85 80 92102106101 88 83 89100103 99
MAX HEAT 106 111 102 88 107 111 100 87 104 107
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 94 75 97 76 95 72 85
TEMP 78 74 90 89 79 75 93 91 80 76 92 89 76 72 82 81
DEWPT 72 71 73 74 71 68 71 72 68 67 71 72 71 70 73 72
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 5 5 5 5 5 30 20
RAIN SHWRS S C C S S
TSTMS S C C S S
MOZ042-112100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 94 76 92 74 90
TEMP 91 94 91 83 80 78 77 83 90 92 89 80 79 76 74 81 87 90 87
DEWPT 74 74 76 72 69 68 68 73 74 75 75 72 70 69 70 73 75 74 75
RH 58 53 62 70 69 71 74 72 60 58 64 77 74 79 87 77 68 60 68
WIND DIR SW SW SW S SW SW SW S SW SW S S SW SW SE E SE E NE
WIND SPD 12 11 5 6 6 9 9 11 10 10 5 6 5 5 5 6 8 8 6
WIND GUST 23 17 19 20 21
CLOUDS B1 SC SC SC FW FW SC SC SC SC SC FW FW FW B1 B1 SC SC SC
POP 12HR 10 20 20 20 30
QPF 12HR 0 0 0 0.04 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS IS IS IS IS C C S S S
TSTMS IS IS IS IS IS IS IS IS C C S S S
HEAT INDEX 100105103 88 83 89 99103 99 84 80 86 96 99 96
MAX HEAT 102 107 102 84 102 106 98 83 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 73 93 75 90 69 83
TEMP 75 71 86 87 77 73 90 90 79 75 88 86 73 70 80 80
DEWPT 72 70 74 75 71 68 73 73 68 67 72 73 71 69 72 71
PWIND DIR E SE SE SW S W N N
WIND CHAR LT GN GN GN LT GN LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW SC SC SC SC B1 SC
POP 12HR 50 10 10 5 10 10 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
MOZ041-047-048-112100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 97 79 97 78 96
TEMP 93 97 94 86 83 80 79 86 93 97 92 84 81 79 77 84 91 95 91
DEWPT 73 74 75 71 70 69 69 73 74 74 74 71 70 69 70 73 74 73 74
RH 52 48 54 61 65 69 72 65 54 48 56 65 69 72 79 70 58 49 58
WIND DIR SW SW SW S S SW SW SW SW SW S S S SW SE S SW S E
WIND SPD 9 8 4 4 4 5 6 8 8 6 4 5 4 5 4 5 5 5 4
WIND GUST 23 19 14 16 19 19 20 19 18 16 14
CLOUDS SC SC SC SC FW FW SC SC SC SC FW FW FW FW B1 SC SC SC SC
POP 12HR 0 10 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS S S S
TSTMS IS IS IS S S S
HEAT INDEX 103108105 91 87 83 80 93103108102 89 85 81 90101105100
MAX HEAT 107 113 106 90 109 113 102 87 105 110
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 95 76 97 77 95 72 86
TEMP 79 75 91 90 80 77 93 92 81 77 92 89 77 73 83 82
DEWPT 72 71 73 74 71 68 72 72 68 67 71 73 71 70 73 72
PWIND DIR E SE SE SW SW W NE N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW SC FW FW FW SC SC SC SC SC SC
POP 12HR 20 5 5 5 10 10 30 20
RAIN SHWRS S C C S S
TSTMS S C C S S
ILZ095>097-MOZ018-019-026-027-034>036-112100-
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, PITTSFIELD,
HANNIBAL, AND BOWLING GREEN
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 94 76 91 74 89
TEMP 91 94 92 83 79 78 76 83 89 91 89 79 77 75 73 79 85 88 85
DEWPT 75 75 76 74 71 69 70 73 75 76 76 74 72 71 71 75 76 75 76
RH 60 54 60 74 77 74 82 72 64 62 66 85 85 87 93 88 75 66 75
WIND DIR SW SW SW S S S S S SW SW S SE S SE E E E NE NE
WIND SPD 11 10 5 3 4 5 6 8 8 6 4 4 3 4 4 5 5 5 5
WIND GUST 23 20 14 17 19 20 21 19 18 14 14 14 16
CLOUDS B1 SC SC SC FW FW B1 B1 B2 SC SC SC SC SC B2 B2 B1 B1 B1
POP 12HR 20 30 30 40 50
QPF 12HR 0 0.00-0.24 0.00-0.15 0.02-0.41 0.00-0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC SC IS IS IS IS IS SC L L S S C
TSTMS IS SC IS IS IS IS IS SC L L S S C
HEAT INDEX 102106104 89 81 89 99103100 81 81 95 98 94
MAX HEAT 106 111 106 89 106 110 105 90 102 106
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 70 87 72 93 74 90 69 82
TEMP 74 70 84 85 75 73 89 90 78 75 87 85 73 69 80 79
DEWPT 72 70 75 76 72 70 75 76 70 69 74 75 72 69 72 72
PWIND DIR E E SE S S NW N N
WIND CHAR LT LT GN GN LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC SC SC FW FW SC SC SC SC SC SC
POP 12HR 70 30 20 10 20 20 30 20
RAIN SHWRS C L C S S S S S S C S
TSTMS C L C S S S S S S C S
ILZ069-074-112100-
CLINTON IL-WASHINGTON IL-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 77 95 76 94
TEMP 93 96 91 84 81 79 77 87 93 95 90 82 80 78 76 84 90 93 88
DEWPT 77 77 77 74 73 72 71 76 77 77 77 75 73 72 72 76 77 77 78
RH 60 55 64 72 77 79 82 70 60 56 66 79 79 82 87 77 66 60 72
WIND DIR SW SW S S SW SW SW W SW SW S S S S S SW S E NE
WIND SPD 9 6 4 6 6 5 4 5 5 5 4 5 5 4 3 4 4 4 3
WIND GUST 17
CLOUDS SC SC SC FW SC FW FW FW SC SC SC SC FW SC B1 B1 SC SC B1
POP 12HR 10 10 30 30 30
QPF 12HR 0 0.00-0.20 0.00-0.17 0.05-0.13 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS IS SC IS IS IS S S C C S
TSTMS IS SC IS IS SC IS IS IS S S C C S
HEAT INDEX 108111105 91 86 97108111103 89 83 92104107102
MAX HEAT 110 115 106 95 111 115 105 94 106 110
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 91 74 96 76 96 73 87
TEMP 78 74 88 87 77 74 93 91 80 76 94 90 77 73 85 82
DEWPT 74 72 77 77 73 71 76 76 71 69 74 75 73 71 75 74
PWIND DIR E E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC FW SC FW FW FW FW FW FW SC SC SC
POP 12HR 40 20 5 10 5 5 20 20
RAIN SHWRS S C S S S S S
TSTMS S C S S S S S
ILZ070-112100-
MARION IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 93 75 91
TEMP 92 95 90 83 81 78 77 86 92 93 87 81 79 77 75 82 88 91 86
DEWPT 75 75 75 73 72 71 71 74 75 76 75 74 73 72 72 75 76 76 75
RH 58 53 62 72 74 79 82 68 58 58 68 79 82 85 90 79 68 62 70
WIND DIR SW SW SW S SW SW SW W SW SW S S S S S S SE NE NE
WIND SPD 9 8 4 6 5 5 4 5 5 5 3 4 4 4 3 4 4 4 3
WIND GUST 17 16
CLOUDS B1 SC SC FW SC FW FW FW SC B1 SC FW FW B1 B1 B1 B1 SC B1
POP 12HR 10 10 40 30 30
QPF 12HR 0 0.01-0.19 0 0.07 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS SC SC IS IS IS C C S S C
TSTMS IS SC IS SC SC IS IS IS C C S S C
HEAT INDEX 104107 99 89 84 94103106 97 85 89 99103 96
MAX HEAT 107 110 98 86 107 110 98 84 103 106
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 73 89 73 94 75 94 72 86
TEMP 77 73 86 85 76 73 91 88 79 76 92 88 77 73 84 81
DEWPT 73 71 75 74 72 71 75 75 70 69 73 74 72 71 73 71
PWIND DIR NE E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC FW SC SC FW FW FW FW FW SC SC SC
POP 12HR 50 20 10 5 5 5 20 20
RAIN SHWRS C C S S S S
TSTMS C C S S S S
MOZ074-084-085-099-112100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 76 96 75 96
TEMP 93 96 91 82 79 78 77 86 93 95 89 82 79 78 76 85 93 96 91
DEWPT 72 71 73 71 70 69 69 72 72 72 73 71 70 69 69 72 72 72 74
RH 51 45 56 69 74 74 76 63 51 48 59 69 74 74 79 65 51 46 58
WIND DIR SW SW S S SW SW SW SW SW SW S S SW SW SW SW SW SW S
WIND SPD 5 5 2 3 3 3 3 4 4 4 2 3 3 3 3 3 4 4 2
WIND GUST 17 16 12 16 16 17 16 16 14 16 12 14 14 16 14 14 14 14
CLOUDS FW FW FW SC FW FW FW FW SC FW SC FW FW FW B1 SC SC FW SC
POP 12HR 0 5 5 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 100104 99 86 81 92102104 97 86 80 91102105100
MAX HEAT 105 107 99 86 109 110 97 86 109 111
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 96 74 97 75 98 74 91
TEMP 79 75 93 91 78 75 95 92 79 76 95 92 78 74 88 85
DEWPT 70 69 72 73 70 68 69 70 67 65 67 69 68 68 72 73
PWIND DIR SE SE SE SW S W NW N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW SC FW FW FW FW FW FW FW SC SC
POP 12HR 5 5 5 0 0 5 10 30
RAIN SHWRS S S C
TSTMS S S C
MOZ051-060-112100-
MONTGOMERY MO-WARREN MO-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 76 96 74 93
TEMP 93 96 92 83 80 77 76 85 92 96 91 82 79 77 74 82 90 93 89
DEWPT 75 74 76 72 70 69 69 74 75 75 76 73 71 70 71 75 76 75 76
RH 56 49 60 70 72 76 79 70 58 51 62 74 77 79 90 79 64 56 66
WIND DIR SW SW SW S S SW SW SW SW SW SE S SW SW SE SE S SE NE
WIND SPD 9 6 2 3 4 5 5 6 5 5 2 3 3 4 3 4 4 4 3
WIND GUST 21 18 17 18 19 18 17 14
CLOUDS B1 SC SC SC SC FW SC SC SC SC SC SC FW FW B1 B1 SC SC SC
POP 12HR 5 20 20 20 20
QPF 12HR 0 0 0 0.00-0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS IS IS IS IS S S S S S
TSTMS IS IS IS IS IS IS IS IS S S S S S
HEAT INDEX 104107105 88 82 92104108104 87 81 88101104100
MAX HEAT 109 111 102 85 109 114 102 85 106 110
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 72 92 73 96 74 94 70 85
TEMP 77 72 89 88 78 73 93 91 79 75 92 89 75 71 82 81
DEWPT 73 71 76 76 72 69 73 75 70 68 73 74 72 71 74 73
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 40 10 10 5 5 5 30 20
RAIN SHWRS S C C S
TSTMS S C C S
MOZ052-112100-
LINCOLN MO-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 77 95 75 93
TEMP 93 96 93 84 81 78 77 86 93 95 91 82 80 77 75 82 90 92 89
DEWPT 75 75 76 73 71 69 70 74 75 75 76 74 72 71 71 75 76 75 76
RH 56 51 58 70 72 74 79 68 56 53 62 77 77 82 87 79 64 58 66
WIND DIR SW SW SW S SW SW S SW SW SW S S S S SE E E E E
WIND SPD 9 8 3 2 3 4 4 6 5 5 2 3 3 3 3 4 4 4 3
WIND GUST 19 13 16 16 18
CLOUDS B1 SC SC SC SC FW SC SC SC SC SC FW FW SC B1 B1 SC SC SC
POP 12HR 10 20 30 30 30
QPF 12HR 0 0.00-0.07 0.00-0.08 0.02 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS IS IS IS IS IS C C S S S
TSTMS IS SC IS IS IS IS IS IS C C S S S
HEAT INDEX 104108106 91 84 94105108104 87 83 89101104101
MAX HEAT 107 110 103 86 109 111 103 89 105 107
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 72 91 74 95 75 94 71 86
TEMP 77 72 88 88 78 74 93 92 80 76 92 90 76 72 83 82
DEWPT 73 71 76 76 73 70 74 75 70 68 73 74 72 71 74 72
PWIND DIR E E SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC SC
POP 12HR 50 10 10 5 10 5 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
ILZ058-059-098-099-112100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 75 93 73 91
TEMP 92 95 91 82 78 76 75 85 91 93 89 79 78 76 74 81 88 90 87
DEWPT 74 74 75 73 71 70 70 73 75 75 75 74 73 72 72 74 75 75 75
RH 56 51 60 74 79 82 84 67 60 56 64 85 85 87 93 79 66 62 68
WIND DIR SW SW SW SW S SW S SW SW W S SE SE S E E E E NE
WIND SPD 10 9 5 3 4 5 5 8 6 6 4 3 4 3 4 5 5 5 5
CLOUDS B1 SC SC SC SC FW SC SC B1 SC SC SC FW SC B1 B1 B1 B1 B1
POP 12HR 10 20 30 40 40
QPF 12HR 0.01 0.00-0.24 0.00-0.19 0.02-0.08 0.00-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS SC IS IS IS SC C C S S C
TSTMS IS SC IS SC IS IS IS SC C C S S C
HEAT INDEX 103106102 87 92102104 99 81 87 97100 96
MAX HEAT 107 110 103 87 109 110 103 87 103 107
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 70 88 71 94 74 93 69 84
TEMP 75 71 85 85 76 72 91 90 79 75 90 87 74 71 82 81
DEWPT 73 71 74 75 72 70 75 75 71 69 73 74 72 70 72 71
PWIND DIR E E SE S S W N N
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC SC SC FW FW FW SC SC SC SC SC
POP 12HR 60 20 10 5 10 5 30 20
RAIN SHWRS C L S S C S S
TSTMS C L S S C S S
ILZ060-064-065-112100-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 93 75 93 73 90
TEMP 91 93 89 81 78 76 75 85 91 92 88 80 77 75 73 81 87 89 86
DEWPT 76 76 76 73 71 70 70 74 76 76 76 74 73 72 72 75 76 76 76
RH 62 58 66 77 79 82 84 70 62 60 68 82 87 90 97 82 70 66 72
WIND DIR SW SW SW SW SW S SW SW SW SW S SE S S E NE E NE NE
WIND SPD 9 9 5 4 5 5 4 6 5 5 3 3 3 3 3 4 4 4 3
CLOUDS B1 SC SC FW SC FW FW SC SC B1 SC FW FW B1 B1 B1 B1 B1 B1
POP 12HR 10 20 40 50 40
QPF 12HR 0 0.04-0.35 0.00-0.19 0.03-0.09 0.01-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC IS SC SC IS IS SC C C S S C
TSTMS IS SC IS SC SC IS IS SC C C S S C
HEAT INDEX 104107101 86 93103106 99 82 87 98101 96
MAX HEAT 109 112 105 93 109 112 105 94 103 107
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 87 71 92 74 92 70 85
TEMP 76 71 84 84 75 72 90 88 78 75 90 87 75 71 82 80
DEWPT 73 70 75 75 72 70 76 76 71 69 75 75 72 70 73 72
PWIND DIR E E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC
POP 12HR 60 20 10 5 10 5 30 20
RAIN SHWRS C L S C S S
TSTMS C L S C S S
ILZ079-112100-
RANDOLPH IL-
INCLUDING THE CITIES OF CHESTER AND SPARTA
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 77 97 75 96
TEMP 93 96 93 84 81 79 77 88 95 97 91 84 81 78 75 85 92 95 91
DEWPT 76 76 76 74 72 71 70 75 76 76 77 74 72 71 71 76 77 76 78
RH 58 53 58 72 74 77 79 66 54 51 64 72 74 79 87 75 62 54 66
WIND DIR SW SW S S S SW SW W SW S S S S S S SW SW W E
WIND SPD 8 6 4 8 6 5 4 5 5 5 4 6 5 5 4 4 4 4 4
CLOUDS FW FW FW FW SC FW FW FW SC SC SC SC FW FW B1 SC SC SC SC
POP 12HR 5 10 20 20 20
QPF 12HR 0 0 0.00-0.24 0.00-0.10 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS S S S S S
TSTMS IS IS IS IS S S S S S
HEAT INDEX 106110106 91 86 98108111105 91 85 94105109105
MAX HEAT 109 113 103 88 113 115 102 87 109 113
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 94 74 98 76 99 73 88
TEMP 80 74 91 90 79 74 94 93 81 77 96 92 78 73 86 83
DEWPT 73 71 76 77 73 70 73 75 70 67 72 74 71 70 75 75
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 20 10 5 5 5 0 20 20
RAIN SHWRS S S S S S S
TSTMS S S S S S S
MOZ075-112100-
SAINTE GENEVIEVE MO-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 97 78 97 76 97
TEMP 94 96 92 84 81 79 78 86 95 97 91 84 81 79 76 84 93 96 91
DEWPT 73 73 74 72 71 69 69 73 74 74 75 73 71 70 70 74 74 74 76
RH 51 48 56 67 72 72 74 65 51 48 60 70 72 74 82 72 54 49 62
WIND DIR SW SW S S SW SW SW W SW SW SE S SW SW SW SW SW SW E
WIND SPD 8 6 4 8 8 8 5 6 5 5 4 6 6 6 5 5 5 5 4
WIND GUST 16
CLOUDS FW FW FW SC SC FW FW FW SC FW SC SC FW CL B1 SC SC SC SC
POP 12HR 0 10 20 20 10
QPF 12HR 0 0 0.00-0.12 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS S S
TSTMS IS IS S S
HEAT INDEX 104106102 90 85 81 93105108101 90 85 81 92104107103
MAX HEAT 109 111 103 88 111 114 102 89 109 111
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 95 75 98 77 99 74 89
TEMP 80 75 92 91 80 75 95 93 82 78 97 93 79 74 87 84
DEWPT 71 70 74 76 71 68 71 72 68 66 69 72 69 69 73 74
PWIND DIR E E SE SW S W NW N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC FW FW SC FW FW FW FW FW FW FW SC SC
POP 12HR 10 10 5 5 0 5 20 20
RAIN SHWRS S S S
TSTMS S S S
MOZ059-062-112100-
GASCONADE MO-FRANKLIN MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 97 77 97 75 96
TEMP 94 97 93 83 81 78 77 87 94 97 92 83 80 78 76 84 92 95 91
DEWPT 74 73 75 71 69 68 69 74 74 74 75 72 70 69 70 74 74 74 75
RH 53 46 56 67 67 71 76 65 53 48 58 70 72 74 82 72 56 51 60
WIND DIR SW SW S S SW SW SW SW SW SW E S SW SW S SW SW SW E
WIND SPD 6 5 2 3 3 4 5 6 5 4 2 3 4 4 3 4 4 4 3
WIND GUST 17 13 16 17 18 14 13 14 16 13 14
CLOUDS SC SC SC SC SC FW FW SC SC SC SC FW FW FW B1 B1 SC SC B1
POP 12HR 5 10 20 20 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS S S S
TSTMS IS IS IS IS S S S
HEAT INDEX 104107105 88 84 95105109104 88 83 92103106102
MAX HEAT 109 113 102 85 111 114 102 85 107 110
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 95 74 98 75 97 72 87
TEMP 79 74 91 90 79 75 95 93 80 76 94 91 77 73 84 82
DEWPT 72 70 74 75 71 68 71 73 68 66 71 73 71 70 74 73
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 5 5 5 5 5 30 20
RAIN SHWRS S S C S S
TSTMS S S C S S
MOZ072-073-112100-
CRAWFORD MO-WASHINGTON MO-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 96 78 96 77 96
TEMP 93 96 91 83 81 79 78 88 94 96 90 83 80 79 77 86 93 96 90
DEWPT 72 71 72 70 68 68 68 73 73 72 73 71 69 68 69 73 73 73 74
RH 51 45 54 65 65 69 71 61 51 46 58 67 69 69 76 65 52 48 60
WIND DIR SW SW S S SW SW SW SW SW SW S S SW SW SW SW SW SW SE
WIND SPD 6 5 3 3 3 4 4 6 5 5 3 3 4 4 4 5 5 5 2
WIND GUST 16 14 16 17 17 18 16 13 13 14 17 16 16
CLOUDS SC FW SC SC SC FW FW SC SC SC SC SC FW CL B1 SC SC SC SC
POP 12HR 0 5 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 101104 99 87 83 80 95103106 98 87 83 93102105100
MAX HEAT 106 107 99 85 107 110 100 85 107 111
HEAT Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 96 75 98 76 97 73 88
TEMP 79 75 93 90 79 76 95 92 80 77 95 91 77 73 86 83
DEWPT 70 69 73 73 69 67 70 70 66 65 69 70 68 69 73 73
PWIND DIR SE SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC FW SC FW FW FW FW FW SC FW SC SC
POP 12HR 10 5 5 0 0 5 20 20
RAIN SHWRS S S S
TSTMS S S S
ILZ102-MOZ065-112100-
MONROE IL-JEFFERSON MO-
1046 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
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 97 78 98 76 97
TEMP 95 97 93 84 81 79 78 89 95 98 92 83 80 79 76 85 93 96 91
DEWPT 75 74 75 71 70 69 69 75 76 75 76 73 71 70 70 75 76 76 76
RH 53 48 56 65 69 72 74 64 54 48 60 72 74 74 82 72 58 53 62
WIND DIR SW SW S S SW SW SW SW SW SW SE S SW SW S SW SW SE E
WIND SPD 6 5 3 4 4 5 4 5 4 4 3 4 4 4 3 4 4 4 3
WIND GUST 14 14 16 14 14 16 13
CLOUDS SC FW SC FW SC FW FW SC SC SC SC SC SC FW B1 B1 SC SC B1
POP 12HR 5 10 20 20 20
QPF 12HR 0 0 0.00-0.13 0.00-0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS IS IS IS S S S
TSTMS IS IS IS IS S S S
HEAT INDEX 107109105 90 85 80 98108111104 89 84 94106109103
MAX HEAT 111 114 103 86 114 116 102 86 110 113
EXTREME HEAT W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 74 95 74 99 76 99 73 88
TEMP 79 74 92 90 79 75 96 93 81 77 96 93 78 73 86 83
DEWPT 72 70 76 76 72 69 73 74 68 66 72 73 71 70 75 74
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 10 5 5 5 0 20 20
RAIN SHWRS S S S S S
TSTMS S S S S S
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