929
FOUS53 KLSX 132101
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
401 PM CDT THU AUG 13 2026
ILZ100-101-MOZ061-063-064-140900-
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
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76 97 77 98 76
TEMP 90 84 82 79 78 88 94 97 94 86 83 80 78 89 95 98 94 85 82 79 77
DEWPT 78 76 74 71 72 75 76 76 77 74 72 70 69 73 73 73 75 73 71 69 70
RH 68 77 77 77 82 66 56 51 58 68 70 72 74 59 49 45 54 67 69 72 79
WIND DIR S SE S S S S S S S SE S S SW SW W SW SW S SW SW W
WIND SPD 6 6 5 5 3 5 5 4 4 5 5 4 4 5 6 5 2 2 3 4 4
CLOUDS FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 5 10 5 0 5
QPF 12HR 0 0.00-0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 105 92 88 81 98108111109 94 88 81 97106109106 91 86 80
MAX HEAT 116 105 94 113 116 107 93 109 113 105 90
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 96 72 87 69 89 72 93 72 89
TEMP 94 93 79 74 85 83 74 70 86 86 76 74 91 89 78 73 87 85
DEWPT 74 75 75 72 74 72 71 69 72 71 69 68 72 72 70 68 71 70
PWIND DIR W N N NE SE SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 10 40 30 10 5 10 10 20 10
RAIN SHWRS C S S S S S
TSTMS C S S S
MOZ049-050-140900-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76 97 76 96 75
TEMP 90 83 82 78 77 86 94 97 93 84 82 78 76 86 93 96 92 83 80 78 76
DEWPT 74 72 71 70 70 73 73 73 75 71 69 68 67 70 71 71 74 71 69 68 69
RH 60 70 69 76 79 65 51 46 56 65 65 71 74 59 49 45 56 67 69 71 79
WIND DIR S S S S S SW SW S S SE S SW SW SW SW SW SW S S SW SW
WIND SPD 5 5 5 5 5 6 6 5 3 4 4 5 5 8 8 6 2 2 3 4 4
WIND GUST 16 17 17 17 14 16 19 18
CLOUDS FW FW FW SC SC SC FW FW FW CL FW SC SC SC SC FW FW FW SC SC SC
POP 12HR 5 10 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 100 88 86 92103107104 90 85 91100104102 88 83
MAX HEAT 110 100 88 107 112 102 87 105 109 102 86
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 95 70 86 68 89 72 92 71 88
TEMP 92 90 77 72 83 82 73 69 86 85 76 73 89 87 76 72 85 83
DEWPT 72 74 74 72 72 71 70 68 71 71 68 68 71 71 69 68 70 70
PWIND DIR W N N NE S SE S S NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 10 30 20 10 5 10 10 20 10
RAIN SHWRS S S S S
TSTMS S S S
MOZ042-140900-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 74 94 75 92 74
TEMP 89 81 81 77 76 84 91 93 91 83 81 78 76 85 90 92 90 82 80 77 75
DEWPT 76 75 72 70 70 73 74 74 76 73 70 68 67 71 72 73 75 71 70 69 69
RH 66 82 74 79 82 70 58 54 62 72 69 71 74 63 56 54 62 69 72 76 82
WIND DIR SE SE S S S S SW S SE SE S SW SW SW SW SW SW SW S W SW
WIND SPD 6 8 6 8 6 9 9 8 4 6 5 6 8 10 11 9 3 3 3 4 5
WIND GUST 18 17 19 17 18 20
CLOUDS FW FW FW SC SC FW FW CL FW FW SC SC B1 B1 B1 SC SC FW SC SC B1
POP 12HR 10 10 20 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S
HEAT INDEX 100 87 85 91101105104 88 85 90 97101100 86 82
MAX HEAT 106 99 85 103 107 102 85 100 105 98 83
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 91 68 84 66 86 70 89 69 85
TEMP 89 87 74 70 82 81 71 67 84 84 75 72 86 85 74 70 82 82
DEWPT 73 74 73 70 70 69 68 67 70 70 67 67 71 71 68 66 70 69
PWIND DIR W N N NE S SE S SE N
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS SC SC B1 B1 SC SC SC FW SC FW FW SC B1 SC SC SC B1 SC
POP 12HR 20 40 10 5 0 20 10 20 10
RAIN SHWRS S C S S S S
TSTMS S C S S S
MOZ041-047-048-140900-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 78 98 77 96 76
TEMP 91 84 83 79 78 86 94 97 94 85 82 79 78 86 93 96 92 84 81 79 77
DEWPT 74 72 71 70 70 72 74 73 75 72 70 68 67 70 72 73 74 71 69 69 69
RH 58 67 67 74 76 63 53 46 54 65 67 69 69 59 51 48 56 65 67 72 76
WIND DIR S S S S S SW SW S S SE S SW SW SW SW SW SW S S SW SW
WIND SPD 4 5 5 5 4 6 6 5 3 4 4 5 4 6 6 5 2 2 3 4 3
WIND GUST 16 17 17 16 18 16 17 20 19 17
CLOUDS FW FW FW FW SC SC FW CL FW FW FW SC B1 SC SC FW SC FW SC SC SC
POP 12HR 5 5 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 102 90 87 81 93104109105 91 86 81 91101106102 89 85
MAX HEAT 111 102 88 109 114 105 87 105 110 102 87
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 95 72 87 69 90 73 93 72 89
TEMP 92 90 77 73 83 82 73 70 86 86 77 75 89 88 77 72 85 83
DEWPT 73 74 74 72 72 71 70 69 71 71 68 68 71 72 69 68 70 70
PWIND DIR W N N NE S SE SW S N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC SC FW SC FW FW SC B1 SC SC SC SC SC
POP 12HR 10 30 20 10 5 10 10 20 10
RAIN SHWRS S S S S S S
TSTMS S S S S
ILZ095>097-MOZ018-019-026-027-140900-
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, PITTSFIELD,
AND HANNIBAL
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 93 75 93 74
TEMP 88 80 79 76 75 83 90 93 91 82 80 78 76 85 91 93 90 81 79 77 75
DEWPT 78 77 75 72 72 75 76 76 78 76 73 71 70 73 74 75 76 74 72 72 72
RH 72 91 88 87 90 77 64 58 66 82 79 79 82 67 58 56 64 79 79 85 90
WIND DIR SE SE E E SE SE S S SE SE SE S SW SW SW SW W W SW W NW
WIND SPD 5 6 5 4 5 6 6 6 4 5 5 5 5 8 9 8 4 2 2 2 3
WIND GUST 19 17 14 16 17 17 17 17 17 19 21 20 18 12
CLOUDS SC SC SC B1 B1 SC FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC B1 B1
POP 12HR 30 10 30 20 20
QPF 12HR 0.00-0.29 0 0.00-0.08 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S S S
TSTMS S C C C C S S S S S
HEAT INDEX 102 86 80 91102106106 89 84 91101104101 87 81
MAX HEAT 112 102 87 107 115 106 87 106 109 102 85
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 90 68 84 66 87 70 89 69 85
TEMP 88 84 74 70 82 81 70 67 84 84 74 72 87 85 73 70 82 81
DEWPT 75 75 72 69 70 69 68 67 70 71 68 68 72 72 69 67 69 69
PWIND DIR NW N N NE S SE S E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW SC SC FW SC B1 SC SC SC B1 B1
POP 12HR 30 40 10 5 0 30 20 30 10
RAIN SHWRS S C C S C S S S C
TSTMS S C C S S S S C
MOZ034>036-140900-
MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITY OF BOWLING GREEN
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 74 94 76 93 75
TEMP 90 82 81 77 76 85 91 94 92 83 82 79 77 85 91 93 91 82 81 78 76
DEWPT 77 76 74 71 71 74 74 75 77 74 71 69 68 71 73 73 75 72 71 70 70
RH 66 82 79 82 85 70 58 54 62 74 69 72 74 63 56 52 60 72 72 76 82
WIND DIR SE SE S SE SE S S S SE SE S SW SW SW SW SW SW SW S W W
WIND SPD 5 6 5 4 4 6 6 6 3 4 4 5 5 9 9 8 3 2 2 3 3
WIND GUST 17 18 17 17 18 17 14 14 17 19 21 20 18 13
CLOUDS FW FW SC SC SC FW FW FW FW FW SC SC B1 B1 B1 SC SC SC SC SC B1
POP 12HR 20 10 20 20 10
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S S S
TSTMS S S S S S S S S
HEAT INDEX 103 89 86 92102106106 90 86 91 99102101 88 84
MAX HEAT 112 103 92 107 115 107 93 106 110 103 88
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 91 69 85 66 87 71 90 69 85
TEMP 90 87 75 71 83 82 71 67 85 85 75 73 87 87 75 71 83 82
DEWPT 74 74 73 70 70 69 68 67 70 70 68 67 71 71 69 67 69 69
PWIND DIR NW N N NE S SE S SE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC SC SC FW FW FW FW SC B1 SC SC SC B1 SC
POP 12HR 30 40 10 5 0 20 10 30 10
RAIN SHWRS S C C S S S C
TSTMS C C S S C
ILZ069-074-140900-
CLINTON IL-WASHINGTON IL-
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 75 96 76 97 75
TEMP 88 82 81 78 77 87 94 96 92 83 81 78 76 88 95 97 92 84 81 78 76
DEWPT 80 76 75 72 73 77 78 78 79 75 73 71 71 75 75 76 77 73 70 69 70
RH 77 82 82 82 87 72 60 56 66 77 77 79 85 66 53 51 62 70 69 74 82
WIND DIR S S S S S S S S S SE S S SW SW SW SW S S SW SW W
WIND SPD 4 6 5 5 3 4 3 3 2 4 4 4 3 3 4 3 2 4 4 3 2
CLOUDS FW FW FW FW SC SC SC FW FW FW CL CL CL FW FW FW FW FW FW FW FW
POP 12HR 0 10 0 0 0
QPF 12HR 0 0.00-0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 104 90 87 99109113108 91 86 97108111106 89 85
MAX HEAT 116 103 94 112 118 106 94 110 113 105 90
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 96 72 87 68 88 71 92 71 89
TEMP 94 92 79 74 85 83 73 69 85 84 75 72 90 87 77 72 87 84
DEWPT 75 77 75 73 75 74 72 69 72 72 70 69 73 73 71 69 72 71
PWIND DIR W N N NE E SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC FW FW FW FW SC SC SC SC SC SC
POP 12HR 10 40 30 10 5 10 10 20 10
RAIN SHWRS C C S S S
TSTMS C S S S
ILZ070-140900-
MARION IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 75 94 75 95 75
TEMP 87 81 80 78 77 85 92 94 90 82 81 78 76 87 93 95 90 82 81 78 76
DEWPT 77 76 74 72 72 76 77 77 77 75 73 71 71 74 75 76 76 72 70 68 69
RH 72 85 82 82 85 75 62 58 66 79 77 79 85 65 56 54 64 72 69 71 79
WIND DIR S S S S SE S SW SW S SE S S SW SW SW SW S S SW SW W
WIND SPD 3 4 4 4 3 3 4 3 2 3 3 3 3 4 4 4 2 3 3 4 3
CLOUDS SC FW FW SC SC SC SC FW FW FW FW CL CL FW FW FW FW FW FW FW FW
POP 12HR 5 20 0 0 0
QPF 12HR 0 0.00-0.08 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 99 87 84 95107110104 89 85 95105109101 87 85
MAX HEAT 111 97 87 110 113 102 86 109 111 99 84
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 94 72 86 67 86 69 91 71 88
TEMP 92 91 79 73 84 82 73 68 84 83 74 71 88 85 76 72 86 83
DEWPT 75 75 73 72 74 71 70 68 71 70 69 68 72 72 69 68 71 69
PWIND DIR W N N NE NE SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC FW FW FW FW SC B1 SC SC SC SC
POP 12HR 10 40 30 10 5 10 10 20 10
RAIN SHWRS C C S S S
TSTMS C S S S S
MOZ074-084-085-099-140900-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 75 98 75 98 75
TEMP 89 82 80 77 76 87 96 98 93 84 80 77 75 87 96 98 94 83 80 78 76
DEWPT 74 72 71 69 69 72 72 71 72 70 68 66 66 69 68 68 69 67 66 66 67
RH 61 72 74 76 79 61 46 42 51 63 67 69 74 55 40 38 44 59 62 67 74
WIND DIR S S S SW S SW SW S S S S SW SW SW SW SW SW S SW SW W
WIND SPD 3 3 3 3 2 4 4 4 2 3 3 2 2 3 4 4 1 2 2 3 2
WIND GUST 17 16 17 14 16 12 14 14 16 13 16 12 13 16 13
CLOUDS FW CL CL SC SC SC FW FW FW CL FW CL CL CL FW CL FW FW FW FW FW
POP 12HR 0 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 98 87 82 93104106101 88 82 91101104 99 86 81
MAX HEAT 110 99 86 111 114 102 85 107 110 101 83
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 98 73 89 69 90 70 93 71 91
TEMP 96 93 79 74 87 83 73 69 87 85 74 72 90 88 76 72 88 85
DEWPT 69 71 70 71 74 74 71 69 72 72 69 68 70 71 69 68 70 70
PWIND DIR W NW N N S SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC
POP 12HR 10 30 40 10 10 5 10 20 20
RAIN SHWRS S S S C S S S S S
TSTMS S S S C S S S S S
MOZ051-060-140900-
MONTGOMERY MO-WARREN MO-
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 74 96 74 95 73
TEMP 90 82 81 78 76 85 93 96 93 84 81 78 75 85 92 95 92 83 80 77 74
DEWPT 77 75 73 70 71 75 75 75 77 73 71 68 68 72 73 73 77 73 71 69 70
RH 66 79 77 76 85 72 56 51 60 70 72 71 79 65 54 49 62 72 74 76 87
WIND DIR SE SE S S S SW SW S SE SE S SW SW SW SW SW SW SW SW SW SW
WIND SPD 3 4 4 4 3 4 4 3 2 3 3 4 4 5 5 4 1 1 2 3 3
WIND GUST 14 14 14 13 14 14 13 13 14 14 17 18 14
CLOUDS FW FW FW SC SC SC FW FW FW CL FW SC SC SC SC FW SC FW FW SC SC
POP 12HR 10 10 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 102 89 85 93104108107 90 85 92101105105 88 82
MAX HEAT 113 102 87 110 115 105 88 107 111 105 85
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 94 69 85 66 87 70 91 69 87
TEMP 91 90 76 71 83 82 72 67 85 85 75 72 88 87 75 71 85 83
DEWPT 75 75 74 71 73 72 70 67 72 72 69 68 72 73 69 68 71 70
PWIND DIR W N N NE S SE S S NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 10 40 20 10 5 10 10 20 10
RAIN SHWRS S C S S S S
TSTMS S C S S S
MOZ052-140900-
LINCOLN MO-
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 75 96 76 95 74
TEMP 90 83 81 78 77 86 93 96 93 85 82 79 77 87 93 95 92 84 81 78 75
DEWPT 77 76 74 71 72 76 76 76 78 75 72 70 69 73 74 74 76 74 72 70 70
RH 66 80 79 79 85 72 58 53 62 72 72 74 76 63 54 51 60 72 74 76 84
WIND DIR SE SE S S S S S S SE SE S SW SW SW SW SW SW SW SW SW SW
WIND SPD 4 4 4 3 2 4 4 4 2 3 3 4 3 5 6 4 1 1 1 2 3
WIND GUST 14 13 13 16 17 14
CLOUDS SC FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC FW SC SC SC
POP 12HR 10 10 10 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 104 91 87 96106110109 93 87 94103107106 90 85
MAX HEAT 112 105 91 110 115 107 92 107 111 105 86
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 93 70 86 67 88 71 91 70 87
TEMP 92 90 77 72 84 83 72 68 86 86 75 73 89 88 76 72 85 83
DEWPT 75 76 74 72 73 71 70 68 71 72 69 68 73 72 69 68 71 70
PWIND DIR W N N NE S SE S S NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 SC SC FW SC FW FW FW SC SC B1 SC SC SC SC
POP 12HR 20 40 20 5 0 10 10 20 10
RAIN SHWRS S C S S
TSTMS S C S
ILZ058-059-098-099-140900-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 95 74 95 73
TEMP 88 81 80 77 76 85 92 94 91 83 81 78 75 87 93 95 91 82 80 77 74
DEWPT 78 76 74 72 72 75 76 76 78 75 73 71 70 73 74 74 75 73 72 71 71
RH 72 85 82 85 87 72 60 56 66 77 77 79 84 63 54 51 60 74 77 82 90
WIND DIR SE SE S SE SE S S S SE SE SE S SW SW SW SW SW SW SW W W
WIND SPD 6 6 5 4 3 5 5 5 3 5 4 5 4 5 8 6 3 2 2 3 3
CLOUDS SC FW FW B1 SC SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC
POP 12HR 20 10 5 0 5
QPF 12HR 0.00-0.05 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 101 88 82 94104108106 90 84 94103106102 87 82
MAX HEAT 112 105 90 110 114 108 90 107 110 103 86
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 93 69 85 65 87 69 91 69 87
TEMP 91 89 76 72 83 82 71 67 84 84 74 72 88 86 75 70 84 82
DEWPT 74 75 74 71 71 70 69 67 70 70 68 68 71 71 69 67 69 68
PWIND DIR W N N NE S SE S S N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC SC SC FW FW SC SC SC B1 SC SC SC SC
POP 12HR 20 50 20 5 5 10 10 20 10
RAIN SHWRS S C C S S S S S
TSTMS S C S S S S S
ILZ060-064-065-140900-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 94 74 95 73
TEMP 87 81 79 77 75 85 92 94 90 82 80 77 75 87 93 95 90 82 80 77 74
DEWPT 78 76 74 72 72 76 77 77 78 75 73 71 71 74 76 76 76 73 71 69 70
RH 75 85 85 85 90 75 62 58 68 79 79 82 87 65 58 54 64 74 74 76 87
WIND DIR S SE S SE SE S SW SW S SE SE S S SW SW SW SW SW SW SW W
WIND SPD 4 5 4 4 3 4 4 4 3 4 4 4 3 5 5 5 2 2 3 3 3
CLOUDS SC SC SC SC B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 20 20 0 0 5
QPF 12HR 0.00-0.07 0.00-0.12 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S
HEAT INDEX 100 87 81 94106109105 89 83 95105108103 87 82
MAX HEAT 113 102 94 110 115 106 95 110 113 103 91
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 93 70 85 66 86 69 90 69 87
TEMP 91 89 76 72 84 81 72 67 84 83 73 71 88 85 75 71 84 82
DEWPT 75 75 73 71 73 71 70 67 70 71 68 68 72 72 69 67 70 69
PWIND DIR W N N NE S SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC FW SC FW FW FW FW SC B1 SC SC SC SC
POP 12HR 10 50 20 5 5 20 20 30 10
RAIN SHWRS S S C C S S S S C
TSTMS S C S S S S
ILZ079-MOZ075-140900-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 75 98 75 99 75
TEMP 90 84 81 78 77 87 95 98 93 85 82 78 76 88 96 99 94 84 81 79 76
DEWPT 77 75 73 71 71 75 75 75 77 73 70 68 68 72 72 72 74 70 68 67 68
RH 66 74 77 79 82 68 53 48 60 67 67 71 76 59 46 42 53 63 65 67 76
WIND DIR S S S S S SW S S S S S SW SW SW SW SW S S SW SW SW
WIND SPD 5 8 6 5 4 5 4 4 3 5 5 5 4 4 4 4 3 5 5 5 4
WIND GUST 17 14 16 16 16
CLOUDS FW CL FW SC SC SC SC FW FW CL FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 103 91 86 96108110107 91 85 95105108105 89 84
MAX HEAT 114 102 88 113 115 107 88 109 112 103 86
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 98 72 88 68 90 70 93 71 91
TEMP 95 94 79 74 86 84 74 69 87 86 75 72 91 89 77 73 88 85
DEWPT 72 74 73 72 75 74 72 69 72 72 70 68 72 72 70 68 71 71
PWIND DIR W NW N N S SE S SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC FW FW FW FW SC SC SC SC SC SC
POP 12HR 10 30 30 10 5 5 10 20 20
RAIN SHWRS S S C S S S S
TSTMS S C S S S
MOZ059-062-072-073-140900-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76 98 76 98 75
TEMP 90 83 81 79 77 87 95 98 93 84 81 78 76 88 95 98 93 83 80 78 76
DEWPT 74 72 71 69 69 73 73 72 74 71 68 66 66 70 70 69 72 70 67 66 67
RH 60 70 72 72 76 63 49 43 54 65 65 67 71 55 45 39 51 65 65 67 74
WIND DIR S S S SW S SW S S S S S SW SW SW W SW SW S SW SW SW
WIND SPD 3 4 4 4 4 5 4 4 2 3 3 4 3 5 5 4 1 1 2 3 3
WIND GUST 13 16 17 17 16 17 16 14 14 17 11 13 14 14
CLOUDS FW FW FW SC FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 10 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 100 88 85 95105108104 89 84 93103105102 87 83
MAX HEAT 113 100 87 110 115 105 86 107 111 103 83
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 97 71 87 68 90 71 94 71 90
TEMP 95 92 78 73 85 82 73 69 87 85 75 73 91 88 77 72 87 84
DEWPT 72 73 72 72 75 73 71 69 72 72 68 67 71 71 68 67 70 70
PWIND DIR W N N NE S SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 10 30 30 10 5 5 10 20 10
RAIN SHWRS S S C S S S
TSTMS S S C S S S
ILZ102-MOZ065-140900-
MONROE IL-JEFFERSON MO-
401 PM CDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76 99 76 99 75
TEMP 90 84 81 79 78 88 96 99 94 85 82 79 77 89 97 99 95 84 81 79 76
DEWPT 77 74 72 70 70 75 75 75 77 73 70 68 67 72 72 72 74 71 68 67 68
RH 66 72 74 74 76 66 51 47 58 67 67 69 71 57 45 42 51 65 65 67 76
WIND DIR S S S S S S S S SE S S SW SW W W SW SW S SW SW W
WIND SPD 4 4 4 4 3 4 3 3 3 4 4 4 3 4 4 3 2 2 3 4 3
WIND GUST 14 16 16 13 14 14 13 14
CLOUDS FW FW FW SC SC SC SC FW FW FW CL FW FW FW FW FW FW FW FW FW SC
POP 12HR 5 10 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 104 91 86 99109112108 92 86 97106109106 89 84
MAX HEAT 115 102 87 114 117 106 88 110 114 105 85
EXTREME HEAT W W W W W W W W W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 98 72 88 68 90 71 94 71 91
TEMP 96 94 79 73 86 83 73 69 87 86 75 73 92 89 77 73 88 85
DEWPT 74 75 73 72 76 73 72 69 73 72 69 68 72 72 69 68 72 71
PWIND DIR W N N NE SE SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 5 30 30 10 5 10 10 20 10
RAIN SHWRS S S S S S S
TSTMS S S S S S
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