916
FOUS53 KLSX 160751
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
251 AM CDT WED SEP 16 2026
ILZ100-101-MOZ061-063-064-162100-
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
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 97 73 95
TEMP 77 75 83 92 94 88 81 79 77 76 87 95 96 90 81 78 75 73 83 92 94 89
DEWPT 73 73 74 75 74 74 74 73 71 70 72 72 72 74 74 74 73 72 73 73 71 71
RH 87 94 74 58 53 63 79 82 82 82 61 48 46 60 79 88 94 97 72 54 47 56
WIND DIR E NE E SW W S S S S SW W NW NW S N NE NE E E SE S SE
WIND SPD 3 3 3 4 4 3 2 2 3 3 4 5 3 1 1 1 2 2 3 3 3 3
CLOUDS B1 B2 B1 SC SC B1 SC FW FW FW SC SC FW SC SC SC SC SC SC FW FW FW
POP 12HR 30 5 20 10 5
QPF 12HR 0.00-0.35 0 0.00-0.31 0.00-0.43 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S
TSTMS C C S S S S
HEAT INDEX 90103104 98 86 80 94105106 99 85 88100101 95
MAX HEAT 91 106 109 98 86 109 110 98 103 105
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 97 72 92 68 86 64 82
TEMP 78 73 93 90 77 73 89 86 73 69 83 80 68 65 80 77
DEWPT 70 67 68 68 67 67 69 69 69 67 68 68 67 64 67 65
PWIND DIR SE SW SW NW NE NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC B1 SC B1 SC SC SC B1 B1 SC SC SC SC
POP 12HR 0 5 30 20 30 20 30 20
RAIN SHWRS S C S S S C S S C C S S
TSTMS S S S S S
MOZ049-162100-
OSAGE MO-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 96 72 95
TEMP 76 74 81 91 93 87 80 78 76 75 86 95 95 86 79 76 74 72 82 92 94 88
DEWPT 71 71 73 74 73 74 73 72 70 70 72 72 72 74 73 72 71 70 72 71 70 70
RH 85 90 77 58 52 65 79 82 82 84 63 48 48 68 82 87 90 93 72 51 46 55
WIND DIR NE NE E S SE SE SE S S SW SW W W SE SE SE E SE S SW S SE
WIND SPD 4 4 4 3 4 4 3 3 4 3 4 4 3 2 1 1 2 2 3 3 3 2
CLOUDS B1 B2 SC FW SC B1 FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW SC
POP 12HR 20 5 20 5 5
QPF 12HR 0.00-0.14 0 0.00-0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S
TSTMS C S S S S
HEAT INDEX 86100102 95 83 92103103 94 81 87 99100 93
MAX HEAT 84 102 105 93 83 106 107 93 102 104
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 96 70 90 67 82 62 80
TEMP 76 73 93 89 76 71 87 83 71 67 79 76 66 63 77 75
DEWPT 68 64 68 67 66 66 68 68 68 66 69 67 65 63 67 65
PWIND DIR S SW SW W NE NW NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 SC SC B1 B2 B1 SC SC SC SC
POP 12HR 0 5 40 30 40 30 30 20
RAIN SHWRS S C C C C C C C S C S S
TSTMS S S S S S C
MOZ042-050-162100-
AUDRAIN MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 72 92 70 91
TEMP 71 71 78 86 90 84 77 75 74 72 83 90 91 85 77 74 72 70 80 88 91 85
DEWPT 69 70 73 74 74 75 73 72 71 70 73 73 72 75 74 72 71 70 72 72 71 72
RH 93 97 85 68 60 74 87 90 90 93 72 58 54 72 90 93 97100 77 59 52 65
WIND DIR NE NE E E SE E SE S S SW W NW W NE E E E E SE S S S
WIND SPD 5 5 5 4 4 3 3 3 3 3 4 4 3 1 2 2 3 3 4 5 5 2
CLOUDS OV B2 B2 FW FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 40 5 10 10 5
QPF 12HR 0.00-0.10 0 0 0.00-0.70 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C S S S S S
TSTMS L C C S S S S S
HEAT INDEX 94 99 92 88 99100 93 82 96 97 91
MAX HEAT 101 105 93 106 107 93 101 104
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 92 68 85 64 78 60 76
TEMP 75 71 89 86 73 69 82 79 68 65 76 73 64 61 74 72
DEWPT 69 64 68 70 68 67 69 70 68 65 68 68 64 61 66 66
PWIND DIR S SW W W N N NE NE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC B1 B2 B1 B1 B1 B2 B1 SC SC SC SC
POP 12HR 0 10 50 40 40 30 30 20
RAIN SHWRS S S C C C C C C C S C S S
TSTMS S S S S S S S
MOZ047-048-162100-
MONITEAU MO-COLE MO-
INCLUDING THE CITY OF JEFFERSON CITY
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 74 97 73 96
TEMP 73 73 80 89 93 88 80 77 76 74 86 95 96 88 79 76 74 73 82 92 95 89
DEWPT 70 71 73 74 73 74 73 72 71 70 72 72 72 73 73 72 71 70 72 72 70 71
RH 90 93 79 61 52 63 79 85 85 87 63 48 46 61 82 87 90 90 72 52 45 56
WIND DIR NE NE E SE SE SE SE S S SW SW NW W E SE SE SE SE S SW SW S
WIND SPD 3 4 4 4 4 3 3 3 3 2 3 3 2 1 1 1 1 1 3 3 3 1
CLOUDS B2 B2 SC FW FW SC FW CL FW FW FW FW FW FW SC FW SC SC FW FW FW FW
POP 12HR 20 5 10 5 5
QPF 12HR 0.00-0.09 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S
TSTMS C S S S S
HEAT INDEX 82 98102 97 83 93104105 96 82 87100101 95
MAX HEAT 101 105 95 107 109 96 101 104
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 96 70 90 67 81 63 79
TEMP 76 73 92 89 75 71 85 83 70 67 78 75 66 63 76 74
DEWPT 68 65 68 69 68 67 69 69 69 66 69 68 66 63 67 66
PWIND DIR S SW W W N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 B1 B1 B1 B2 SC SC SC SC SC
POP 12HR 0 10 50 40 50 40 30 20
RAIN SHWRS S C C C C C C C C C S S
TSTMS S S S S S S S
MOZ041-162100-
BOONE MO-
INCLUDING THE CITY OF COLUMBIA
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 73 93 72 93
TEMP 71 71 78 86 90 86 79 76 75 73 84 91 93 87 79 75 73 72 81 90 92 87
DEWPT 69 70 73 74 74 75 74 73 71 70 73 73 73 75 74 73 71 70 72 73 71 72
RH 93 97 85 68 60 70 85 90 87 90 70 56 52 68 85 94 93 93 74 58 51 61
WIND DIR NE NE E E SE E SE S S S W NW W N E E E E SE S S S
WIND SPD 5 5 5 5 4 3 4 3 3 2 3 4 3 1 2 2 3 3 4 5 5 2
CLOUDS OV B2 B1 FW FW SC FW FW FW FW SC FW FW SC SC SC SC SC SC FW FW FW
POP 12HR 30 5 10 5 5
QPF 12HR 0.01-0.07 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S S
TSTMS L C S S S
HEAT INDEX 95100 95 80 90100102 95 80 85 97 99 93
MAX HEAT 101 105 94 106 107 94 101 104
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 93 69 85 65 79 61 77
TEMP 76 72 90 87 74 69 82 79 69 66 76 73 65 62 75 72
DEWPT 69 65 69 71 69 67 70 71 68 65 68 68 65 62 66 66
PWIND DIR S SW W SW N N NE NE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS FW SC B1 SC SC B1 B2 B1 B1 B1 B2 SC SC SC SC SC
POP 12HR 5 10 60 40 40 40 30 20
RAIN SHWRS S C L C C C C C C C C S S
TSTMS S S S C S S
ILZ095>097-MOZ018-019-026-027-034>036-162100-
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
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 85 71 88 69 89
TEMP 69 70 74 81 85 82 75 73 72 71 79 86 88 83 76 73 71 70 77 86 88 84
DEWPT 69 69 71 74 74 74 73 72 71 70 73 74 74 75 74 72 71 69 73 74 74 73
RH 100 97 90 79 70 77 94 97 97 97 82 68 63 77 94 97100 97 87 68 63 70
WIND DIR NE NE E E E E E SE S SW N N N N NE NE E E SE SE S SE
WIND SPD 5 4 4 4 4 3 3 3 2 2 3 3 3 2 3 2 3 3 5 5 5 3
WIND GUST 13 16
CLOUDS OV OV B2 B1 SC SC SC FW SC B1 B1 B1 SC SC SC SC SC SC SC FW FW FW
POP 12HR 80 10 20 10 20
QPF 12HR 0.01-0.59 0.00-0.14 0.00-0.41 0.00-0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D L C S S S S S S S S
TSTMS D D L C S S S S S S
HEAT INDEX 85 92 88 82 94 97 91 93 96 90
MAX HEAT 101 105 94 103 105 94 99 102
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 90 68 81 64 76 60 75
TEMP 75 72 87 84 72 68 78 76 68 64 74 72 64 61 72 71
DEWPT 70 66 70 72 69 67 70 71 68 64 67 68 64 60 65 66
PWIND DIR S SW NW N N N NE NE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B1 SC B1 B2 B1 B1 B2 B2 B1 SC SC SC B1
POP 12HR 5 20 70 50 50 30 30 30
RAIN SHWRS S S C L C C C C C C S C C S
TSTMS S S C C S C S S
ILZ069-070-074-162100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 97 72 94
TEMP 77 76 85 93 95 89 80 78 76 75 88 95 97 90 80 77 74 72 83 91 93 88
DEWPT 72 73 74 74 72 73 73 72 70 70 72 71 71 73 74 74 73 72 73 72 71 71
RH 85 90 70 54 48 59 79 82 82 84 59 46 43 58 82 90 97100 72 54 49 57
WIND DIR S SE SE SW SW S SE S S SW SW W NW N N NE NE NE E SE SW E
WIND SPD 2 2 4 5 4 2 2 2 3 2 4 5 3 1 0 0 1 2 3 2 2 2
CLOUDS SC B1 B1 SC SC B1 SC FW FW FW SC SC SC SC SC FW SC SC FW FW FW FW
POP 12HR 20 5 10 10 10
QPF 12HR 0.00-0.25 0.00-0.05 0.00-0.23 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 92103104 97 84 95104105 98 83 89 99100 94
MAX HEAT 88 106 107 96 86 107 109 98 85 103 105
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 97 72 93 68 88 64 84
TEMP 76 72 94 90 77 72 91 86 73 69 85 81 68 65 81 78
DEWPT 70 68 67 67 66 66 68 69 69 68 68 67 67 65 66 65
PWIND DIR SE SW SW NW NE NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC
POP 12HR 5 5 20 20 10 20 30 20
RAIN SHWRS S S S S S S S C S S
TSTMS S S S S S
MOZ074-084-085-099-162100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 73 96 71 95
TEMP 75 75 85 93 94 86 79 76 74 73 86 95 95 86 79 76 73 71 85 93 94 86
DEWPT 71 71 72 71 71 71 71 70 68 67 71 70 70 71 71 70 69 68 71 70 70 69
RH 87 87 65 49 47 61 77 82 82 81 61 45 45 61 77 82 87 90 63 47 46 57
WIND DIR S S S SW S S SE S S SW SW W W N NE W NW N S SW S SE
WIND SPD 2 2 4 5 4 2 1 2 1 1 2 2 1 1 0 0 0 0 1 2 2 1
WIND GUST 11 12 12
CLOUDS FW FW FW FW SC SC FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW
POP 12HR 20 0 20 0 5
QPF 12HR 0.00-0.23 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 90100101 92 92101101 91 90 99100 90
MAX HEAT 85 106 107 94 107 109 94 105 106
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 69 94 67 87 62 83
TEMP 75 70 93 87 75 70 91 85 72 67 85 79 67 64 80 76
DEWPT 67 65 65 64 63 62 65 66 66 65 68 68 66 64 68 66
PWIND DIR S SW SW W E NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC FW SC SC SC SC B1 SC SC B1 B1 SC
POP 12HR 0 0 10 20 20 40 30 30
RAIN SHWRS S S S S C C S C C
TSTMS S S
MOZ060-162100-
WARREN MO-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 74 95 70 94
TEMP 76 74 80 90 93 87 79 77 75 74 85 94 95 87 79 76 73 71 81 91 93 88
DEWPT 72 72 74 75 74 75 74 73 71 70 73 73 73 74 74 73 72 71 73 73 72 72
RH 87 93 82 62 54 68 85 87 87 87 67 51 49 65 85 90 97100 77 56 51 59
WIND DIR N NE E S SW SE S S S SW W NW NW N NE NE E E SE S S SE
WIND SPD 3 3 3 2 2 2 2 2 2 2 2 2 1 0 0 0 1 1 2 2 1 1
CLOUDS B2 B2 B1 FW FW B1 SC SC FW FW FW SC FW FW SC SC SC SC FW FW FW SC
POP 12HR 40 5 20 10 10
QPF 12HR 0.00-0.17 0 0.00-0.05 0.00-0.27 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S
TSTMS C C S S S S
HEAT INDEX 85101104 96 82 91103104 96 80 86 99101 94
MAX HEAT 88 105 106 94 107 109 94 102 105
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 69 89 66 82 61 80
TEMP 76 72 92 89 75 70 86 83 71 67 80 77 66 63 77 75
DEWPT 69 66 69 68 68 67 70 69 69 66 69 67 66 63 67 65
PWIND DIR S SW W W N NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 SC SC B1 B2 B1 SC SC SC SC
POP 12HR 5 5 40 30 40 30 30 20
RAIN SHWRS C C C S C C C C C S S
TSTMS S S S S S
MOZ051-052-162100-
MONTGOMERY MO-LINCOLN MO-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 73 94 70 92
TEMP 74 73 79 88 92 86 78 76 75 73 84 92 93 87 78 75 72 71 80 89 92 87
DEWPT 71 71 73 75 74 75 74 73 71 70 73 73 73 75 74 73 72 71 73 73 72 72
RH 90 93 82 66 56 70 88 90 87 90 70 54 52 68 88 94100100 79 59 52 61
WIND DIR NE NE E SE SE SE SE SE S SW W NW NW N NE NE E E SE S S SE
WIND SPD 4 3 3 3 3 2 2 2 2 2 3 3 2 0 0 1 2 2 3 4 3 2
CLOUDS B2 B2 B2 SC FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 50 5 10 10 10
QPF 12HR 0.00-0.08 0 0 0.00-0.69 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S S
TSTMS C C C S S S S
HEAT INDEX 81 98102 95 80 90101102 95 84 97100 93
MAX HEAT 88 103 106 96 107 107 96 102 105
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 94 69 87 65 81 61 78
TEMP 76 72 91 88 74 70 85 81 70 66 79 76 65 62 76 74
DEWPT 70 66 69 69 68 67 70 69 69 66 68 67 65 62 66 65
PWIND DIR S SW W W N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 SC SC B1 B1 SC B1 B2 SC SC SC SC SC
POP 12HR 5 5 50 30 40 30 30 20
RAIN SHWRS S C C C S C C C S C S S
TSTMS S S S S S S
ILZ058-059-098-099-162100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 73 94 70 93
TEMP 74 73 81 89 92 86 78 76 74 73 85 93 94 87 78 74 72 70 80 89 92 86
DEWPT 72 72 73 74 73 74 73 72 71 70 72 72 72 73 74 73 72 70 72 71 70 71
RH 93 97 77 61 54 68 85 87 90 90 65 51 49 63 88 97100100 77 56 49 61
WIND DIR N NE E SE N E SE SE S SW W N NW N NE NE E E E SE S SE
WIND SPD 4 4 4 4 4 3 3 3 3 2 4 4 3 2 2 2 3 3 4 4 4 3
CLOUDS B2 B2 B2 B1 FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 60 5 20 10 10
QPF 12HR 0.01-0.23 0 0.00-0.21 0.00-0.17 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C S S S S S S
TSTMS L C C S S S S S
HEAT INDEX 84 98101 94 91101102 94 83 96 98 92
MAX HEAT 85 103 105 95 105 107 95 101 103
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 69 89 65 83 61 80
TEMP 75 72 92 88 74 70 86 82 70 66 80 77 65 62 78 75
DEWPT 69 66 67 68 68 67 68 69 68 66 66 66 65 62 64 64
PWIND DIR SE SW SW NW NE NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B1 B1 B1 SC SC B1 B2 B1 SC SC SC SC
POP 12HR 5 5 50 30 30 30 30 20
RAIN SHWRS C C C C C C S C C S S S
TSTMS C S S S S S S
ILZ060-065-162100-
MONTGOMERY IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 73 95 70 92
TEMP 76 74 82 90 92 87 78 76 74 73 86 94 94 87 78 74 72 70 80 89 91 86
DEWPT 71 72 73 74 73 74 73 72 70 70 72 71 71 73 73 72 71 70 72 71 70 70
RH 85 93 74 60 54 65 85 87 87 90 63 47 47 63 85 93 97100 77 56 50 59
WIND DIR E NE SE S W NE SE S S SW W NW NW NW N NE NE E E SE SE E
WIND SPD 3 3 3 4 4 2 2 2 3 3 4 5 4 1 1 2 3 3 4 3 3 2
CLOUDS B2 B2 B1 B1 SC SC SC SC FW FW SC SC SC SC SC SC SC SC FW FW FW FW
POP 12HR 40 5 20 10 10
QPF 12HR 0.00-0.22 0 0.00-0.21 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S S S S
TSTMS C C C S S S
HEAT INDEX 87 99101 95 93101102 94 84 95 97 91
MAX HEAT 86 103 105 95 87 105 106 95 85 100 101
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 70 90 66 85 61 81
TEMP 74 71 92 88 74 70 87 83 71 67 82 79 66 63 79 75
DEWPT 69 67 67 67 66 67 68 69 67 66 66 66 65 63 64 64
PWIND DIR SE SW SW NW NE NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC SC
POP 12HR 5 5 30 30 20 20 30 20
RAIN SHWRS C C S C S S S S C S S S
TSTMS C S S S S
ILZ064-162100-
BOND IL-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 74 96 71 93
TEMP 77 75 83 91 94 87 80 77 75 74 87 94 95 87 79 76 73 71 82 90 93 87
DEWPT 72 72 74 75 73 75 74 72 71 70 73 72 72 74 74 73 73 71 73 72 71 71
RH 85 90 74 60 51 68 82 85 87 87 63 49 48 65 85 90100100 74 56 49 59
WIND DIR E NE E S SW SW SE S S SW W NW NW SW N NE NE E E SE S SE
WIND SPD 2 2 3 4 3 2 2 2 2 2 4 4 4 1 0 1 2 3 3 3 3 2
CLOUDS B2 B2 B1 SC SC B1 SC SC FW FW SC SC SC SC SC SC SC SC FW FW FW FW
POP 12HR 40 5 20 10 5
QPF 12HR 0.00-0.11 0 0.00-0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S
TSTMS C C S S S S
HEAT INDEX 90102104 96 83 94102103 95 81 87 98 99 93
MAX HEAT 85 103 107 94 84 105 106 94 101 103
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 71 91 67 86 62 82
TEMP 75 72 93 89 76 71 89 84 72 68 83 80 67 64 79 77
DEWPT 70 68 68 67 66 67 69 69 68 67 68 67 66 64 66 65
PWIND DIR SE SW SW NW NE NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 SC SC SC B1 SC SC B1 SC SC
POP 12HR 5 5 30 20 20 20 30 20
RAIN SHWRS S C S S S S S S C S S S
TSTMS S S S
ILZ079-MOZ075-162100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 98 72 95
TEMP 77 76 85 94 95 89 81 78 76 75 87 96 97 89 81 77 74 72 84 92 94 89
DEWPT 71 72 74 73 72 73 73 71 69 68 72 71 71 72 73 72 71 71 73 72 72 71
RH 82 87 70 51 48 59 77 79 79 79 61 45 43 57 77 85 90 97 70 52 49 56
WIND DIR S SE S SW S S S S S SW SW W NW N NE N N NE E S NW SE
WIND SPD 3 3 4 5 5 3 2 2 3 3 4 4 2 1 0 0 1 1 2 2 2 2
CLOUDS FW SC FW FW SC SC SC FW FW FW SC SC FW FW SC FW FW FW FW FW FW SC
POP 12HR 20 5 10 5 5
QPF 12HR 0.00-0.25 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 92103104 97 85 94104105 97 85 90101102 95
MAX HEAT 85 106 109 95 107 110 95 105 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 97 71 94 68 88 63 84
TEMP 77 72 94 90 77 72 91 88 73 69 86 82 69 65 81 78
DEWPT 69 66 66 66 65 64 68 68 68 66 69 68 67 65 68 66
PWIND DIR SE SW SW W NE NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 0 0 10 20 20 20 30 30
RAIN SHWRS S S S S S C C C C
TSTMS S S S
MOZ059-062-072-073-162100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 74 96 71 95
TEMP 77 75 84 92 92 85 79 77 75 74 87 95 94 85 79 76 73 71 83 92 93 87
DEWPT 71 71 73 74 74 74 73 71 69 68 72 71 72 74 73 71 70 69 73 72 71 71
RH 82 87 70 56 56 70 82 82 82 82 61 46 49 70 82 85 90 93 72 52 49 59
WIND DIR SE E S SW S SE SE S S SW SW W NW E E SE SE SE SE SW S SE
WIND SPD 3 3 4 4 3 2 2 2 3 3 3 3 1 0 0 0 1 1 2 2 2 1
CLOUDS SC SC SC FW B1 B1 SC SC FW FW FW FW SC FW SC SC SC SC SC FW FW SC
POP 12HR 30 10 20 5 5
QPF 12HR 0.00-0.35 0 0.00-0.11 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 90102102 93 81 94103102 93 89100100 92
MAX HEAT 89 106 106 94 107 109 93 104 106
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 70 92 66 84 61 80
TEMP 76 71 92 88 75 71 89 84 71 67 82 77 66 63 78 75
DEWPT 67 64 67 67 64 64 68 68 67 65 69 68 65 62 68 66
PWIND DIR S SW SW W NE NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW SC SC SC SC SC SC SC SC B1 SC SC SC SC SC
POP 12HR 5 5 20 20 30 40 30 30
RAIN SHWRS S S S S C S C C C S C
TSTMS S S S S S
ILZ102-MOZ065-162100-
MONROE IL-JEFFERSON MO-
251 AM CDT WED SEP 16 2026
DATE WED 09/16/26 THU 09/17/26 FRI 09/18/26
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 98 72 95
TEMP 77 75 85 94 94 88 81 77 76 75 88 97 97 89 80 77 74 72 84 92 94 89
DEWPT 72 72 74 74 74 75 74 72 70 69 73 72 73 74 73 73 71 70 74 73 72 72
RH 85 90 70 53 53 66 79 85 82 82 61 45 46 61 79 87 90 93 72 54 49 57
WIND DIR SE E SE SW SW S S S S SW SW W NW SW W NE NE E E S SE SE
WIND SPD 2 2 3 4 3 3 2 2 3 3 3 3 2 1 0 0 1 1 2 2 2 2
CLOUDS B1 SC SC FW B1 B1 SC FW FW FW SC SC SC FW SC SC SC SC SC SC FW SC
POP 12HR 20 5 20 5 5
QPF 12HR 0.00-0.35 0 0.00-0.15 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 93105105 98 85 96106107 98 85 91102103 96
MAX HEAT 88 107 109 95 110 111 95 105 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 97 71 94 67 87 62 83
TEMP 76 72 94 91 76 72 91 87 73 68 84 80 67 64 80 77
DEWPT 69 65 68 68 65 64 69 69 68 66 70 68 66 63 68 66
PWIND DIR S SW SW W NE NW N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC
POP 12HR 0 5 20 20 20 20 30 30
RAIN SHWRS S S S S S C C C S
TSTMS S S S S
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