902
FOUS53 KLSX 150756
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
256 AM CDT SAT AUG 15 2026
ILZ100-101-MOZ061-063-064-152100-
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
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 77 94 72 86
TEMP 80 78 84 90 94 91 84 81 79 77 86 91 92 88 80 77 74 72 78 83 85 82
DEWPT 73 71 76 77 77 78 76 74 72 72 76 77 78 78 77 75 73 71 72 72 71 70
RH 79 79 77 66 58 66 77 79 79 85 72 64 64 72 91 94 97 97 82 70 63 67
WIND DIR S W NE SW SW SW S SW SW NW W W NW N N N N N N N N N
WIND SPD 3 3 4 6 5 2 2 3 4 4 5 6 6 6 4 3 4 4 4 5 5 3
CLOUDS SC B1 B2 B1 SC FW FW FW SC B1 B1 B1 SC SC SC B1 SC SC SC SC SC SC
POP 12HR 20 5 10 30 5
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C S S
TSTMS S S S C
HEAT INDEX 82 93103108107 92 86 95105109101 85 88 90 86
MAX HEAT 93 109 114 105 92 110 116 102 92 94
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 67 89 73 91 68 82 64 82
TEMP 72 68 86 86 77 74 88 84 73 68 80 78 68 64 79 78
DEWPT 69 67 72 73 70 70 74 72 70 66 68 67 64 62 67 67
PWIND DIR NE S S W N NE NE NE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC B1 B1 B1 SC SC B1 SC FW SC SC
POP 12HR 0 5 20 20 20 20 20 10
RAIN SHWRS S S S S S S S S
TSTMS S S S S S S
MOZ049-050-152100-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 92 69 85
TEMP 79 77 82 90 93 90 82 80 77 75 83 89 90 85 78 75 71 69 75 82 84 81
DEWPT 71 70 73 73 74 77 73 71 71 71 74 75 77 76 75 73 71 69 70 69 69 69
RH 77 79 74 58 54 66 74 74 82 87 74 64 66 75 91 94100100 84 65 61 67
WIND DIR S S SW SW SW W SW SW W NW W NW NW N N N N N N N N N
WIND SPD 4 4 6 8 6 2 3 3 4 4 5 6 6 5 4 3 3 3 3 3 4 2
WIND GUST 17 19 17
CLOUDS B1 B1 B1 B1 SC SC FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 10 10 20 20 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S S
TSTMS S S S S S S S S
HEAT INDEX 80 88 99104103 88 81 90100103 94 84 87 84
MAX HEAT 88 105 109 101 86 106 110 96 89 91
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 91 73 89 67 82 64 82
TEMP 70 67 87 87 78 74 86 83 71 67 79 78 67 64 79 78
DEWPT 67 67 71 73 70 68 71 71 68 66 67 67 64 63 66 67
PWIND DIR E S S NW NE NE E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC B1 SC SC SC SC SC FW FW SC SC
POP 12HR 5 0 20 20 20 20 20 10
RAIN SHWRS S S S S S S S S
TSTMS S S S S S S S
MOZ042-152100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 89 74 87 67 82
TEMP 77 75 80 86 89 88 80 78 76 74 81 85 85 82 75 72 69 67 74 79 82 80
DEWPT 71 69 74 75 75 78 75 72 71 71 75 76 76 76 74 72 69 67 68 68 67 68
RH 82 82 82 70 64 72 85 82 85 90 82 75 75 82 97100100100 82 69 61 67
WIND DIR SW E S SW SW W S W W NW NW NW NW N N N N N N N N N
WIND SPD 5 6 9 11 9 2 2 3 4 4 5 6 8 6 5 3 3 3 3 4 3 2
CLOUDS B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW SC SC SC
POP 12HR 20 30 20 20 5
QPF 12HR 0 0.03 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S C S S
TSTMS C S S S S C S
HEAT INDEX 84 95 99102 86 86 95 95 89 80 85 83
MAX HEAT 83 98 103 98 99 102 87 84 87
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 64 87 72 85 64 79 61 79
TEMP 68 65 84 85 76 72 82 80 69 65 76 76 65 62 77 77
DEWPT 65 65 71 72 69 68 72 71 67 64 66 66 63 61 66 67
PWIND DIR E S SE NW N NE E E
WIND CHAR LT LT GN GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW B1 B1 B1 SC SC B1 SC SC FW SC SC
POP 12HR 0 0 30 20 30 20 20 10
RAIN SHWRS C S C S S
TSTMS C S S S
MOZ041-047-048-152100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 70 85
TEMP 79 77 82 91 94 91 83 80 78 76 83 89 90 85 78 75 72 70 76 82 85 82
DEWPT 70 69 73 74 75 76 73 72 71 71 74 76 77 76 74 73 71 69 69 69 69 69
RH 74 76 74 58 54 62 72 77 79 85 74 66 66 75 88 94 97 97 79 65 59 65
WIND DIR SW SE SW SW SW W S SW W W W NW NW N N N N N N N N N
WIND SPD 4 4 6 8 6 2 3 3 3 3 4 5 6 5 4 3 2 2 3 3 3 2
WIND GUST 14 17 19 17
CLOUDS B1 B1 B1 SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 10 20 20 10 5
QPF 12HR 0 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
TSTMS S S S S S S
HEAT INDEX 80 87100105104 90 84 90100103 94 85 88 85
MAX HEAT 91 105 111 103 86 105 110 94 90 92
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 68 92 75 89 67 83 65 84
TEMP 71 68 87 88 78 75 86 83 72 68 79 78 68 65 80 79
DEWPT 67 67 71 73 70 68 72 71 68 66 67 67 64 63 67 68
PWIND DIR E S S NW NE NE E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC B1 SC SC SC B1 SC FW FW SC SC
POP 12HR 0 0 20 20 30 20 20 10
RAIN SHWRS S S S C S S S
TSTMS S S S S S S
ILZ095-096-MOZ018-019-026-027-152100-
ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, AND HANNIBAL
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 87 74 87 67 83
TEMP 75 74 79 84 87 86 80 77 76 74 79 84 85 82 75 71 68 67 74 80 82 80
DEWPT 73 72 75 77 78 79 77 75 74 73 75 77 77 75 73 71 68 66 68 68 67 69
RH 94 93 88 80 75 80 91 94 94 97 88 80 77 79 94100100 97 82 67 61 69
WIND DIR NE SE S SW W W N NW NW NW NW NW NW NW N N N N N N N N
WIND SPD 5 4 6 8 6 3 2 2 3 3 4 5 8 6 5 3 3 3 3 3 3 1
WIND GUST 16 18 19 17
CLOUDS OV B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC FW FW FW FW SC FW
POP 12HR 40 50 20 10 0
QPF 12HR 0.00-0.13 0.07-0.49 0.00-0.08 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S C C S C
TSTMS L C S S C C S C
HEAT INDEX 80 94 99100 84 81 93 95 89 82 85 83
MAX HEAT 88 99 106 103 85 99 102 89 85 88
FLOOD A A
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 65 87 71 84 64 78 61 79
TEMP 68 65 84 84 75 72 81 79 68 64 76 75 65 62 76 77
DEWPT 66 65 71 73 70 69 72 71 66 63 66 67 63 61 66 68
PWIND DIR E S S NW N NE E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS FW FW FW FW SC B1 B1 B1 SC SC SC SC SC FW SC SC
POP 12HR 0 5 60 30 10 10 20 10
RAIN SHWRS S L C S S
TSTMS S C S S
MOZ034-152100-
MONROE MO-
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 88 74 86 67 82
TEMP 76 75 79 86 88 88 81 78 76 74 80 84 85 82 75 72 69 67 74 79 82 80
DEWPT 72 69 73 75 75 78 76 74 72 72 74 76 76 75 73 71 68 66 68 67 66 68
RH 87 82 82 70 66 72 85 88 87 93 82 77 75 79 94 97 97 97 82 67 58 67
WIND DIR N SE S SW SW W SW NW NW NW NW NW N N N N N N N N N NE
WIND SPD 4 5 8 10 8 2 1 2 3 3 4 5 6 5 4 3 3 2 3 3 3 1
WIND GUST 16 18 14
CLOUDS B2 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW SC SC SC
POP 12HR 30 40 40 10 0
QPF 12HR 0 0.03-0.14 0.02-0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C S C
TSTMS C S C C S C
HEAT INDEX 81 95 99102 87 84 94 94 89 80 84 83
MAX HEAT 84 98 105 101 89 96 99 94 83 86
HEAT Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 65 87 72 84 64 78 62 79
TEMP 69 66 84 85 76 72 81 80 69 65 76 76 66 62 77 77
DEWPT 65 65 70 73 69 68 72 71 67 64 66 66 63 61 66 67
PWIND DIR NE S S N N NE E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW B1 B1 B1 SC SC B1 SC SC FW SC SC
POP 12HR 0 0 50 20 20 20 20 10
RAIN SHWRS S C S S S S
TSTMS S C S S S
MOZ035-036-152100-
RALLS MO-PIKE MO-
INCLUDING THE CITY OF BOWLING GREEN
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 90 75 89 68 84
TEMP 77 75 80 86 89 89 81 79 77 75 81 86 87 83 77 73 70 68 76 81 83 82
DEWPT 73 71 75 75 76 78 76 74 73 73 75 77 77 76 75 72 70 68 69 68 67 68
RH 87 87 85 70 66 70 85 85 87 94 82 75 72 80 94 97100100 79 65 59 63
WIND DIR NE E S SW SW W SE W NW NW NW NW NW N N N N N N N N N
WIND SPD 3 4 6 8 6 2 1 2 3 3 4 5 6 5 4 3 3 3 3 3 3 1
WIND GUST 13 14 19 17 14
CLOUDS B2 B2 B2 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1 SC SC FW SC FW SC SC SC
POP 12HR 30 30 30 20 0
QPF 12HR 0 0.02-0.15 0.02-0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C S C S S S
TSTMS C C S C C S C S S
HEAT INDEX 86 96101103 88 81 87 97 99 92 84 86 85
MAX HEAT 88 102 108 105 90 103 106 95 87 90
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 88 73 86 65 80 62 80
TEMP 69 66 85 86 77 73 83 81 70 66 77 77 66 63 78 78
DEWPT 66 66 70 72 69 69 72 71 67 64 66 66 63 61 65 67
PWIND DIR N S S NW N NE E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW B1 B1 B1 SC SC SC B1 SC FW SC SC
POP 12HR 0 0 40 20 20 10 20 10
RAIN SHWRS S C S S S S
TSTMS S C S S S
ILZ097-152100-
PIKE IL-
INCLUDING THE CITY OF PITTSFIELD
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 89 75 89 68 84
TEMP 76 74 80 85 88 88 81 79 77 76 81 86 87 83 76 73 70 68 76 81 83 81
DEWPT 74 72 76 77 78 79 77 75 74 73 76 78 78 77 75 72 70 68 70 69 68 69
RH 94 93 88 77 72 75 88 88 90 90 85 77 75 82 97 97100100 82 67 61 67
WIND DIR NE NE S SW SW W SE NW W W NW NW NW NW N N N N N N N N
WIND SPD 4 4 5 6 6 2 1 1 3 3 4 5 6 5 4 3 3 3 3 3 3 1
WIND GUST 14
CLOUDS B2 B2 B2 B1 B1 SC B1 B1 B1 B2 B1 B1 SC SC B1 SC FW FW FW FW SC SC
POP 12HR 40 40 40 20 0
QPF 12HR 0.00-0.07 0.04-0.15 0.00-0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C S C S S
TSTMS C C S C C S C S
HEAT INDEX 84 96102103 88 80 87 98100 92 84 86 84
MAX HEAT 88 100 108 101 85 103 106 92 87 89
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 65 88 72 86 65 79 61 80
TEMP 69 66 84 85 76 73 83 81 69 65 77 76 65 62 77 77
DEWPT 67 66 71 73 70 69 73 72 67 64 66 66 63 61 66 67
PWIND DIR NE S S NW N NE E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW SC B1 B1 B1 SC SC SC B1 SC SC SC SC
POP 12HR 0 0 50 30 20 10 20 10
RAIN SHWRS S C C S S
TSTMS S C S S
ILZ069-070-074-152100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 76 93 72 86
TEMP 78 77 85 90 93 90 82 80 78 76 86 91 92 88 79 76 74 72 79 83 85 82
DEWPT 74 72 77 78 78 79 76 73 72 72 76 78 79 79 77 76 74 72 73 73 72 71
RH 88 85 77 68 62 70 82 79 82 87 72 66 66 75 94100100100 82 72 65 69
WIND DIR S SW N S SW SW S SW SW W W W W N N N N N N N N N
WIND SPD 3 2 3 4 4 1 2 3 4 3 4 5 5 4 2 2 3 3 4 4 5 2
CLOUDS FW B1 B1 B1 FW FW FW CL FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 5 10 30 5
QPF 12HR 0 0 0 0.00-0.07 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S
TSTMS C S
HEAT INDEX 95106109107 88 82 96106110103 80 89 91 86
MAX HEAT 88 110 114 106 92 110 116 103 87 91 94
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 88 72 91 68 82 63 81
TEMP 71 67 85 84 75 72 88 84 73 68 80 78 67 63 79 78
DEWPT 70 67 71 72 70 70 74 73 70 66 68 67 64 62 66 67
PWIND DIR N S S W N NE NE NE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC B1 B1 SC SC SC B1 SC FW SC SC
POP 12HR 5 0 20 20 30 10 20 20
RAIN SHWRS S S S S C S S S
TSTMS S S S S S S
MOZ074-084-085-099-152100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 98 75 98 72 88
TEMP 78 77 86 95 97 92 82 79 77 75 87 96 97 91 81 77 74 72 79 86 88 83
DEWPT 69 68 71 71 71 72 69 68 68 69 72 72 72 74 74 74 73 72 73 73 73 72
RH 74 74 61 46 43 52 65 69 74 82 61 46 45 58 79 90 97100 82 65 61 70
WIND DIR SW SW W SW SW SW SW SW SW W W W W W N N N N N N N N
WIND SPD 2 2 3 4 4 2 2 2 3 2 4 4 4 2 2 2 2 2 3 3 3 2
WIND GUST 14 12 14 14 13 14 13 16 14 14 12 12 12 13 13
CLOUDS CL SC FW FW CL FW CL CL FW SC SC FW FW SC SC SC B1 B1 SC SC SC B1
POP 12HR 0 5 10 30 20
QPF 12HR 0 0 0 0.00-0.34 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S S S
TSTMS C S S S S S S S
HEAT INDEX 92102105100 86 94104107100 85 81 92 95 88
MAX HEAT 87 107 112 100 84 110 113 101 101 103
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 67 91 72 94 68 85 64 84
TEMP 71 68 88 86 76 73 91 86 73 68 82 80 68 64 81 79
DEWPT 69 68 72 73 71 69 71 72 70 67 69 69 65 63 67 68
PWIND DIR NE S S W N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW SC SC SC B1 SC SC SC SC FW SC SC
POP 12HR 5 10 5 20 30 20 30 10
RAIN SHWRS S S S C S S C C S S
TSTMS S S S S S S C S S S
MOZ051-060-152100-
MONTGOMERY MO-WARREN MO-
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 92 74 91 68 84
TEMP 78 77 81 88 92 90 82 79 76 75 82 89 89 85 78 74 71 68 75 81 84 81
DEWPT 71 70 75 75 76 78 75 73 71 71 76 77 78 77 75 74 71 68 70 70 69 69
RH 79 79 82 66 60 68 79 82 85 87 82 68 70 77 91100100100 84 69 61 67
WIND DIR SW W S SW SW W S SW W NW W NW NW N N N N N N N N N
WIND SPD 3 3 4 6 5 1 1 2 3 3 3 4 5 4 3 2 2 2 2 2 2 1
WIND GUST 14 18 17
CLOUDS B1 B2 B2 B1 SC SC SC SC SC B1 SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 10 20 20 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
TSTMS S S S S S S
HEAT INDEX 87 98104105 88 81 89101103 95 85 88 85
MAX HEAT 88 105 110 103 86 107 112 96 90 91
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 65 89 72 88 65 81 61 81
TEMP 69 66 86 86 77 72 86 82 70 66 78 77 66 62 78 78
DEWPT 67 66 72 73 70 69 73 71 68 65 67 67 64 62 67 67
PWIND DIR NE S S NW N NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC B1 B1 B1 SC B1 B1 SC FW SC SC
POP 12HR 0 0 20 20 20 20 20 10
RAIN SHWRS S S S S S S S S
TSTMS S S S S S S
MOZ052-152100-
LINCOLN MO-
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 92 75 91 69 85
TEMP 78 76 81 88 92 91 83 80 77 76 83 89 89 86 79 75 72 69 77 82 84 82
DEWPT 72 71 76 76 77 79 76 74 73 72 76 77 78 77 76 74 71 69 70 70 69 69
RH 82 85 85 68 62 68 80 82 87 87 80 68 70 75 91 97 97100 79 67 61 65
WIND DIR SW N SE SW SW NW S SW W NW NW NW NW N N N N N N N N N
WIND SPD 2 3 4 6 5 1 1 1 2 3 3 4 5 4 3 2 2 2 2 3 3 1
WIND GUST 13
CLOUDS B2 B2 B2 B1 SC SC SC SC B1 B1 SC B1 SC SC B1 SC SC SC SC SC SC SC
POP 12HR 20 20 20 20 5
QPF 12HR 0 0 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
TSTMS S S S S S S
HEAT INDEX 88100105106 91 85 91102103 96 86 88 86
MAX HEAT 86 103 109 105 90 106 111 97 88 91
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 89 73 88 66 81 62 81
TEMP 70 67 86 87 77 74 86 83 71 67 79 78 67 63 79 78
DEWPT 68 66 71 73 70 69 73 71 68 65 67 67 64 62 66 67
PWIND DIR NE S S NW N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW B1 B1 B1 B1 SC SC B1 SC FW SC SC
POP 12HR 0 0 30 20 20 20 20 10
RAIN SHWRS C S S S S S S
TSTMS C S S S S
ILZ058-059-098-099-152100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 90 74 90 68 84
TEMP 77 76 81 86 89 89 81 79 77 75 83 88 89 84 77 74 71 69 77 81 83 81
DEWPT 73 72 75 76 77 79 76 75 73 73 75 77 77 76 75 73 71 69 70 69 68 69
RH 87 87 82 72 68 73 85 88 87 94 77 70 68 77 94 97100100 79 67 61 67
WIND DIR SE NE SE SW SW W SE SW W NW NW NW NW NW N N N N N N N N
WIND SPD 4 4 5 6 6 3 2 2 3 3 5 6 6 6 4 4 3 3 4 4 4 2
CLOUDS B2 B2 B2 B1 B1 SC SC SC B1 B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC
POP 12HR 40 30 5 20 5
QPF 12HR 0.00-0.25 0.00-0.07 0.00-0.05 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S S S S
TSTMS S C S S S S
HEAT INDEX 87 97103103 88 81 90100101 94 85 87 84
MAX HEAT 87 103 109 105 90 106 109 96 88 90
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 64 87 71 87 65 80 61 80
TEMP 69 65 84 84 75 72 85 82 70 66 78 77 66 62 78 77
DEWPT 67 65 70 72 69 69 72 71 68 64 65 65 63 60 64 66
PWIND DIR NE S SE NW N NE NE NE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW B1 B1 B1 B1 SC SC B1 SC SC SC SC
POP 12HR 0 0 40 30 20 10 20 10
RAIN SHWRS C C S S S S S
TSTMS C S S S S
ILZ060-064-065-152100-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 90 75 90 70 84
TEMP 76 76 82 87 90 88 81 79 77 76 84 88 89 85 78 75 72 70 77 82 84 81
DEWPT 73 72 76 77 78 79 76 74 73 73 76 78 78 78 76 74 72 70 72 71 70 70
RH 90 87 82 72 68 75 85 85 87 90 77 72 70 80 94 97100100 85 69 63 69
WIND DIR SE SW NE SW SW SW SW SW W NW W W NW NW N NW N N N N N N
WIND SPD 4 3 4 5 5 2 2 2 3 3 5 6 6 5 3 3 3 3 4 4 5 2
CLOUDS B1 B2 B2 B1 B1 SC FW CL SC B1 B1 SC SC SC SC B1 SC SC SC SC SC SC
POP 12HR 40 20 20 20 5
QPF 12HR 0.00-0.28 0 0.00-0.05 0.00-0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
TSTMS S S S S S S
HEAT INDEX 90 99104105 88 80 92101103 95 86 88 84
MAX HEAT 85 106 111 106 93 106 111 101 86 89 91
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 64 86 70 88 65 80 61 80
TEMP 70 65 83 83 74 71 85 82 71 66 78 76 66 62 77 76
DEWPT 68 65 70 71 69 69 73 72 68 64 66 65 63 61 64 66
PWIND DIR N S S W N NE NE NE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC B1 B1 SC SC SC B1 SC SC SC SC
POP 12HR 0 0 20 20 30 10 20 10
RAIN SHWRS S S S S C S S
TSTMS S S S S S
ILZ079-MOZ075-152100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 97 71 86
TEMP 80 79 86 94 96 92 83 80 78 76 87 94 96 90 81 77 74 72 79 83 86 82
DEWPT 71 70 75 75 75 77 73 70 69 70 75 76 77 78 77 76 74 72 74 74 74 72
RH 74 74 70 54 51 62 72 72 74 82 68 56 55 68 88 97100100 85 74 68 72
WIND DIR S SW W SW SW S S SW SW W W W W N N N N N N N N N
WIND SPD 3 3 4 4 4 3 4 4 5 4 5 5 5 4 3 3 4 4 4 5 5 3
WIND GUST 14
CLOUDS FW SC SC SC FW FW CL CL FW SC SC SC SC SC SC SC B1 SC SC SC SC B1
POP 12HR 5 5 10 40 10
QPF 12HR 0 0 0 0.00-0.18 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS C S
HEAT INDEX 82 95106110107 89 82 96108111106 88 90 93 88
MAX HEAT 89 110 114 103 87 113 116 103 94 96
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 90 72 93 68 83 63 82
TEMP 72 67 87 86 76 73 90 86 74 69 81 79 69 64 80 79
DEWPT 70 67 72 73 71 69 73 74 70 67 70 69 65 63 67 68
PWIND DIR NE S S W N NE NE NE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC B1 SC B1 B1 B1 SC SC FW SC SC
POP 12HR 5 5 10 20 30 20 30 20
RAIN SHWRS S S S C S S S C S
TSTMS S S S S S S S S S
MOZ059-062-072-073-152100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 75 96 70 86
TEMP 79 78 86 93 96 92 83 79 77 76 86 93 94 88 79 76 73 71 78 83 86 82
DEWPT 70 69 73 73 73 74 72 69 69 69 74 75 76 76 75 74 72 70 72 72 71 70
RH 74 74 65 52 48 56 70 72 76 79 68 56 56 68 88 94 97 97 82 70 61 67
WIND DIR SW SW SW SW SW SW SW SW SW W W W NW NW N N N N N N N N
WIND SPD 3 3 4 5 4 1 2 2 3 3 4 5 5 4 2 1 2 2 3 3 3 1
WIND GUST 14 13 16 16 14 13 14 13 16 16
CLOUDS SC B1 B1 SC FW FW FW FW SC B1 SC FW SC SC SC B1 SC SC SC SC SC B1
POP 12HR 10 5 10 20 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 81 92102107102 87 81 94104107100 80 88 91 86
MAX HEAT 88 106 111 102 85 110 113 98 93 97
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 91 73 92 67 83 63 83
TEMP 71 67 88 87 77 74 89 85 72 68 80 78 68 64 80 79
DEWPT 68 67 72 73 70 68 72 72 69 66 69 68 64 62 67 67
PWIND DIR NE S S W N NE E NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC B1 SC B1 B1 B1 SC SC FW SC SC
POP 12HR 5 5 20 20 30 20 30 10
RAIN SHWRS S S S C C S S S C S
TSTMS S S S S S S S S S S
ILZ102-MOZ065-152100-
MONROE IL-JEFFERSON MO-
256 AM CDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
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 76 96 71 86
TEMP 81 79 87 93 97 92 83 80 78 76 87 93 96 90 80 77 73 71 79 83 86 82
DEWPT 71 70 76 76 76 77 74 71 69 70 76 77 78 78 77 75 73 71 74 73 73 72
RH 72 74 70 58 51 62 74 74 74 82 70 60 56 68 91 94100100 85 72 65 72
WIND DIR SW SW NW SW SW SW S SW SW W W W NW N N N N N N N N N
WIND SPD 2 3 3 4 4 2 2 3 4 3 4 5 4 4 3 2 2 3 3 4 4 3
WIND GUST 13
CLOUDS SC B1 B1 SC FW FW FW FW SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 5 5 10 30 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S
TSTMS C
HEAT INDEX 84 81 97106110106 89 82 98108112105 86 81 90 92 87
MAX HEAT 89 110 115 103 86 113 117 101 94 96
EXTREME HEAT W W W W W W W W W W W W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 66 90 73 93 68 82 63 82
TEMP 71 67 87 86 77 74 90 85 73 68 80 78 68 64 80 79
DEWPT 69 67 73 74 70 69 74 73 70 66 70 69 64 62 68 68
PWIND DIR NE S S W N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 5 5 20 20 30 20 30 10
RAIN SHWRS S S S S C S S C
TSTMS S S S S S S S
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