115
FOUS53 KLSX 171416
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
916 AM CDT THU SEP 17 2026
ILZ100-101-MOZ061-063-064-172100-
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
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 73 95 73 96
TEMP 85 94 96 90 81 78 75 73 83 92 94 89 80 78 75 74 85 93 96 90
DEWPT 72 73 72 73 74 74 73 72 74 73 72 72 72 71 69 67 69 67 66 65
RH 65 51 46 58 79 88 94 97 74 54 49 57 77 79 82 79 59 43 38 44
WIND DIR SW W SW SW SW N NE NE SE S SW S SE S S S SW SW SW SW
WIND SPD 5 6 5 3 2 3 2 3 4 4 3 2 3 4 4 4 6 8 8 3
CLOUDS FW FW FW FW FW FW FW SC FW FW SC FW FW FW SC FW SC SC SC SC
POP 12HR 20 10 20 5 0
QPF 12HR 0.00-0.37 0 0.00-0.26 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
OBVIS PF PF
HEAT INDEX 91103106 99 86 89101103 96 83 88 97 99 93
MAX HEAT 107 110 98 85 105 107 97 83 101 103
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 92 68 85 63 80 60 81
TEMP 77 73 89 86 73 68 82 79 67 63 77 75 64 61 79 76
DEWPT 64 64 68 68 68 67 69 68 66 62 65 63 61 60 64 63
PWIND DIR SW NW NE N NE N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 20 20 20 50 40 20 10 10
RAIN SHWRS S S S S C C C C S
TSTMS S S S C
MOZ049-172100-
OSAGE MO-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 95 73 95
TEMP 83 93 95 88 79 76 73 72 82 92 94 87 79 77 74 73 84 92 95 88
DEWPT 72 73 72 74 73 73 71 71 73 72 71 71 71 68 66 64 66 67 67 65
RH 70 52 48 63 82 90 93 97 74 52 47 59 77 74 76 73 55 44 40 47
WIND DIR SW W W SE S S SE SE SW SW SW SE SE S S SW SW SW SW SW
WIND SPD 4 5 5 3 3 3 2 2 2 4 3 2 3 3 4 5 6 8 6 2
CLOUDS FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW
POP 12HR 10 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 88102104 96 80 87100101 93 80 86 96 99 90
MAX HEAT 105 107 93 103 106 90 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 67 81 62 77 59 80
TEMP 76 71 87 83 71 67 79 75 65 62 74 73 63 60 77 74
DEWPT 63 63 68 68 68 67 71 68 65 61 66 63 61 59 65 64
PWIND DIR SW W NE N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B2 B2 B1 SC B1 SC SC SC SC SC
POP 12HR 20 20 50 60 30 20 10 10
RAIN SHWRS S S S C C C L C C S S S
TSTMS S S S S C S
MOZ042-172100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 69 91 71 91
TEMP 81 89 91 85 76 73 71 69 79 88 90 85 77 74 73 71 82 89 91 85
DEWPT 72 73 73 75 75 73 71 69 73 73 72 73 72 70 67 65 67 67 67 68
RH 74 59 56 72 97100100100 82 61 56 67 85 87 81 81 61 48 45 57
WIND DIR SW W W W NE NE E E SE S SW S S S S SW SW SW SW SW
WIND SPD 6 8 6 3 3 4 3 4 5 5 5 3 3 4 5 6 10 12 11 4
WIND GUST 20
CLOUDS FW FW FW FW FW FW SC SC FW FW SC FW FW SC SC SC SC SC SC SC
POP 12HR 10 5 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 86 98100 94 80 95 98 91 84 92 94 88
MAX HEAT 101 103 91 98 101 89 94 96
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 83 63 75 58 72 56 76
TEMP 73 68 81 77 67 64 73 69 62 58 69 68 59 56 73 71
DEWPT 66 65 69 70 67 64 68 67 62 58 63 62 59 56 64 64
PWIND DIR W NW NE NE NE NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 30 30 70 60 30 10 10 10
RAIN SHWRS C C C C L L C C C S S
TSTMS S S C S S S
MOZ050-172100-
CALLAWAY MO-
INCLUDING THE CITY OF FULTON
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 70 93 71 93
TEMP 82 91 93 86 78 74 72 70 80 90 93 86 78 75 73 72 82 90 93 86
DEWPT 73 73 73 74 74 73 72 70 74 73 72 72 71 69 67 64 67 67 67 66
RH 74 56 52 68 88 97100100 82 58 51 63 79 82 81 76 61 47 43 51
WIND DIR SW W W S S NE E E SE SW SW S SE S S S SW SW SW SW
WIND SPD 4 6 5 2 3 3 3 3 4 5 4 2 3 3 4 5 6 10 9 3
WIND GUST 17
CLOUDS CL FW FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 10 5 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 87100102 94 84 98100 92 84 94 97 89
MAX HEAT 105 109 92 102 106 90 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 69 87 65 78 60 74 58 78
TEMP 74 69 84 80 68 66 76 72 63 60 72 70 61 58 75 72
DEWPT 65 64 69 68 68 66 70 67 63 60 65 62 60 58 65 64
PWIND DIR SW NW NE N NE NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B2 B1 SC B1 SC SC SC SC SC
POP 12HR 20 30 60 60 30 10 10 10
RAIN SHWRS S C S C L L C C C S
TSTMS S S S S S S
MOZ047-048-172100-
MONITEAU MO-COLE MO-
INCLUDING THE CITY OF JEFFERSON CITY
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 96 74 96
TEMP 83 93 95 89 79 76 74 72 82 92 95 89 79 77 75 74 84 93 96 89
DEWPT 72 73 73 74 73 73 72 71 73 72 71 71 70 69 66 64 66 67 68 67
RH 70 52 49 61 82 90 93 97 74 52 46 56 74 76 74 71 55 43 40 48
WIND DIR SW W W SE S SE SE SE S SW SW S S S S SW SW SW SW SW
WIND SPD 5 6 5 3 3 3 3 3 3 5 3 1 1 2 3 4 5 8 6 2
WIND GUST 16
CLOUDS CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC FW FW
POP 12HR 10 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
HEAT INDEX 88101105 97 80 87100103 95 81 86 97100 92
MAX HEAT 105 109 96 102 106 95 99 103
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 67 80 62 77 60 80
TEMP 75 71 86 83 70 67 77 74 65 62 74 72 63 60 77 74
DEWPT 65 64 69 69 69 67 70 68 65 61 66 64 62 59 66 65
PWIND DIR SW NW NE N NE NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B1 B2 B2 B1 SC B1 SC SC SC SC SC
POP 12HR 20 30 70 60 30 20 10 10
RAIN SHWRS S S C C C L L C C S S S S
TSTMS S S S S S S
MOZ041-172100-
BOONE MO-
INCLUDING THE CITY OF COLUMBIA
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 71 94 73 93
TEMP 82 90 93 87 78 75 73 71 81 90 93 87 79 76 75 73 83 90 93 87
DEWPT 73 74 73 75 74 74 72 71 74 73 72 72 72 70 67 64 66 68 68 67
RH 74 60 52 68 88 97 97100 79 58 51 61 79 82 76 73 57 49 44 52
WIND DIR SW W W NE E E E E SE SW SW S S S S S SW SW SW SW
WIND SPD 5 6 5 2 3 4 4 4 5 5 5 2 3 3 4 5 8 10 10 3
WIND GUST 16 19 20
CLOUDS CL FW FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 10 5 10 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 87100102 96 86 99101 94 80 85 94 97 90
MAX HEAT 105 109 95 102 106 94 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 86 65 76 60 74 58 77
TEMP 75 70 83 79 69 66 74 71 63 60 71 69 61 59 75 72
DEWPT 66 65 70 70 68 66 70 67 63 60 65 63 60 58 65 65
PWIND DIR SW NW NE N NE NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 30 30 70 60 30 10 10 10
RAIN SHWRS S C C C C L L C C C S
TSTMS S S S C S S S
ILZ095>097-MOZ018-019-026-027-034>036-172100-
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
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 91 70 89 72 91
TEMP 81 88 90 84 76 73 71 70 76 85 89 84 77 75 73 72 81 88 90 85
DEWPT 73 75 75 76 75 73 71 70 73 75 74 74 73 71 70 67 69 69 70 70
RH 77 66 62 77 97100100100 90 72 61 72 87 87 90 84 67 54 52 61
WIND DIR W W W N N NE NE E SE SE S SE S S S SW SW SW SW SW
WIND SPD 5 6 5 4 5 5 5 5 6 5 4 3 4 4 5 5 8 10 9 3
WIND GUST 16 14 16 17 18 20 21 20
CLOUDS SC FW FW FW FW SC SC B1 SC FW SC SC FW FW SC B1 B1 B1 SC SC
POP 12HR 5 10 20 10 5
QPF 12HR 0 0.00-0.05 0.00-0.49 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S C
TSTMS C S S S C
OBVIS PF PF
HEAT INDEX 84 97100 93 93 98 90 84 93 96 89
MAX HEAT 106 109 96 102 105 95 98 101
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 69 81 63 72 58 71 57 75
TEMP 73 69 78 74 66 64 70 68 61 59 68 66 59 57 72 69
DEWPT 68 67 70 70 66 64 67 66 61 58 62 62 59 56 63 64
PWIND DIR W N NE NE NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC
POP 12HR 50 40 70 60 30 20 10 10
RAIN SHWRS C C C C C L L C S C S
TSTMS S S S C C S S S
ILZ069-070-074-172100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 73 95 72 97
TEMP 86 94 96 90 80 77 74 73 83 91 94 88 79 76 74 72 85 94 96 90
DEWPT 72 71 71 72 73 73 73 73 74 73 71 72 72 72 70 69 69 66 64 65
RH 63 47 45 56 79 87 97100 74 56 47 59 79 87 87 90 59 40 35 44
WIND DIR SW W W SW SW NW N E E S SW SE SE SE S S SW W SW SW
WIND SPD 6 8 5 3 2 3 2 3 4 3 2 1 3 3 3 3 5 8 6 2
CLOUDS FW FW FW SC FW FW FW SC FW FW SC FW FW FW FW FW FW SC SC SC
POP 12HR 10 5 10 5 0
QPF 12HR 0.00-0.05 0 0.00-0.14 0.00-0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
OBVIS PF
HEAT INDEX 91102104 98 84 89100101 95 89 97 98 92
MAX HEAT 106 109 98 87 103 106 95 84 99 101
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 68 88 63 82 61 82
TEMP 77 72 90 86 73 69 85 81 67 64 78 76 65 61 79 77
DEWPT 62 63 65 67 67 67 68 68 66 63 65 64 62 61 63 64
PWIND DIR SW NW NE N NE N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 SC FW SC SC SC
POP 12HR 10 10 10 40 30 20 10 20
RAIN SHWRS S S S C C C S S S
TSTMS C S
MOZ074-084-085-099-172100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 96 70 96
TEMP 83 94 95 86 79 76 73 72 85 94 94 85 78 75 73 71 84 93 95 88
DEWPT 70 70 70 71 71 69 68 67 70 69 70 70 69 67 65 64 66 65 64 64
RH 65 46 45 61 77 79 84 84 61 44 46 61 74 76 76 79 55 40 36 45
WIND DIR W W SW NE S SW SW W W W S S S S SW SW SW SW SW S
WIND SPD 3 5 3 3 2 2 2 2 3 3 2 1 1 1 1 1 3 4 4 2
WIND GUST 11 12 14 14
CLOUDS CL FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 0 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 87101102 92 90100100 90 87 96 97 89
MAX HEAT 106 109 94 105 107 91 100 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 94 68 88 63 82 60 82
TEMP 75 70 92 86 73 68 86 79 68 63 79 76 65 61 80 76
DEWPT 61 59 64 66 66 65 69 70 67 63 68 66 63 60 66 66
PWIND DIR SW W NE N N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC SC B1 SC B1 SC B1 SC SC SC SC FW
POP 12HR 0 10 10 50 40 20 10 10
RAIN SHWRS S C C S S S
TSTMS C S
MOZ060-172100-
WARREN MO-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 70 94 71 95
TEMP 83 93 95 88 79 75 73 71 81 91 93 88 79 76 73 72 83 92 95 88
DEWPT 72 74 74 75 74 74 73 71 74 74 73 72 72 71 69 66 68 68 67 66
RH 70 54 51 66 85 97100100 79 58 52 59 79 85 87 81 61 46 40 48
WIND DIR W W W S SW N NE E SE SW SW S SE S S SW SW SW SW SW
WIND SPD 4 5 5 3 2 2 2 2 3 4 1 0 1 2 2 2 4 5 4 0
WIND GUST 14 14 16
CLOUDS FW FW FW FW CL FW FW SC FW FW FW FW FW FW SC SC SC SC SC SC
POP 12HR 10 5 10 5 0
QPF 12HR 0.00-0.10 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 88103105 98 80 86101103 95 80 86 96 99 91
MAX HEAT 106 109 94 105 107 91 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 89 66 81 61 77 58 79
TEMP 75 70 86 83 70 67 78 75 64 61 74 73 62 59 76 74
DEWPT 65 64 69 68 69 67 70 67 64 61 65 62 61 59 65 63
PWIND DIR W NW NE N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 20 20 50 50 40 20 10 10
RAIN SHWRS S S S S C C C C C S
TSTMS S S S S C
MOZ051-052-172100-
MONTGOMERY MO-LINCOLN MO-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 70 93 71 94
TEMP 83 92 94 87 78 75 72 71 80 90 92 87 78 76 73 72 83 91 94 88
DEWPT 72 74 73 74 74 74 72 71 74 74 73 73 72 71 69 66 68 68 67 66
RH 70 56 51 65 88 97100100 82 60 54 63 82 85 87 81 61 47 41 48
WIND DIR W W W SW W N NE E SE S SW S SE S S SW SW SW SW SW
WIND SPD 5 6 5 3 3 3 3 3 4 4 3 1 2 3 3 3 5 8 6 2
WIND GUST 16 13 17 19 17
CLOUDS FW FW FW FW FW FW FW SC FW FW SC FW FW FW FW SC SC SC SC SC
POP 12HR 10 5 10 5 0
QPF 12HR 0.00-0.05 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
OBVIS PF
HEAT INDEX 88102103 96 83 99102 94 86 95 98 90
MAX HEAT 106 109 97 103 107 96 98 101
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 65 79 60 75 58 78
TEMP 75 70 85 81 69 66 77 73 63 60 73 71 61 58 76 73
DEWPT 66 65 69 68 68 66 69 66 63 60 64 61 60 58 64 63
PWIND DIR W NW NE NE NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 20 20 50 60 30 20 10 10
RAIN SHWRS S C S C C L C C C S
TSTMS S S S S S
ILZ058-059-098-099-172100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 70 93 71 95
TEMP 84 93 95 88 78 75 72 70 80 90 92 87 77 75 73 72 83 92 94 88
DEWPT 72 72 72 73 74 73 72 70 73 72 71 72 72 71 70 68 68 66 65 65
RH 67 51 48 61 88 94100100 79 56 51 61 85 87 90 87 61 43 39 47
WIND DIR SW W W W NW NE NE NE E SE S E SE SE S S SW SW SW SW
WIND SPD 5 6 5 3 3 3 4 5 5 5 3 3 4 5 5 5 6 9 9 3
CLOUDS FW FW FW SC FW SC SC SC FW FW SC SC FW FW FW SC SC SC SC SC
POP 12HR 20 10 20 10 0
QPF 12HR 0.00-0.35 0.00-0.09 0.00-0.41 0.00-0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
OBVIS PF
HEAT INDEX 89101103 95 83 97 99 93 87 95 97 90
MAX HEAT 106 109 96 102 105 96 98 101
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 89 65 81 60 77 57 80
TEMP 75 70 86 82 69 65 79 75 64 60 74 72 61 58 77 74
DEWPT 65 65 66 67 67 65 66 65 63 60 60 60 59 58 61 61
PWIND DIR SW NW NE NE NE N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC B1 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 20 20 40 60 40 10 10 10
RAIN SHWRS S S S S C L C C C S
TSTMS S S S S S S S
ILZ060-065-172100-
MONTGOMERY IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 71 93 70 95
TEMP 84 94 95 88 78 75 72 71 80 90 92 86 76 73 72 70 83 92 94 88
DEWPT 71 71 71 72 73 73 72 71 73 72 71 71 72 70 69 68 69 66 63 64
RH 65 47 46 59 85 94100100 79 56 51 61 87 90 90 93 63 43 36 45
WIND DIR SW W W SW W N NE NE E SE S E SE SE S S SW SW SW SW
WIND SPD 5 6 5 3 3 3 4 5 5 4 2 2 4 4 4 4 6 8 8 3
CLOUDS FW FW FW SC SC SC SC SC FW FW SC SC FW FW FW FW SC SC SC SC
POP 12HR 20 10 30 20 0
QPF 12HR 0.00-0.27 0.00-0.06 0.00-0.39 0.00-0.42 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C S S
TSTMS S S S S
OBVIS PF
HEAT INDEX 89101102 95 84 97 98 92 87 95 96 90
MAX HEAT 105 106 98 85 101 102 94 97 99
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 65 84 61 79 58 81
TEMP 75 71 88 83 69 66 81 77 65 61 76 74 62 59 78 75
DEWPT 64 64 66 66 66 65 66 65 63 61 61 60 60 59 61 61
PWIND DIR SW NW NE NE NE N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B2 B1 B1 B1 SC SC FW SC SC SC
POP 12HR 20 20 20 50 40 20 10 10
RAIN SHWRS S S S S S C C C C S S S
TSTMS S S S S S C
ILZ064-172100-
BOND IL-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 94 71 95
TEMP 85 94 95 88 80 76 74 72 82 91 93 87 78 75 73 71 84 93 95 89
DEWPT 72 72 72 73 74 73 73 72 74 73 72 72 73 71 70 68 70 67 64 65
RH 65 49 48 61 82 90 97100 77 56 51 61 85 87 90 90 63 43 36 45
WIND DIR SW W W SW SW N NE E E SE SW N E SE S S SW SW SW SW
WIND SPD 5 6 5 3 2 3 3 5 5 4 2 2 3 3 3 3 5 8 8 2
CLOUDS FW FW FW SC FW FW SC SC FW FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 10 20 10 0
QPF 12HR 0.00-0.17 0 0.00-0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
OBVIS PF
HEAT INDEX 91102104 96 83 87100101 94 88 97 98 91
MAX HEAT 105 107 94 102 105 92 99 100
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 91 67 85 62 80 59 81
TEMP 76 71 89 85 71 67 83 79 66 62 77 75 64 60 79 76
DEWPT 63 64 66 67 67 66 67 67 64 62 63 62 60 59 63 63
PWIND DIR SW NW NE N NE N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC FW SC SC FW
POP 12HR 10 10 20 50 40 20 10 10
RAIN SHWRS S S S C C C C S
TSTMS S S S C
ILZ079-MOZ075-172100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 96 72 97
TEMP 85 95 96 90 80 77 74 72 84 93 95 89 80 77 74 72 85 94 96 90
DEWPT 71 72 72 72 72 71 71 70 73 72 72 71 71 69 68 66 68 66 65 65
RH 63 48 46 56 77 82 90 93 70 51 48 56 74 76 82 81 57 40 36 44
WIND DIR SW W W W SW SW W W W W SW S SE S S SW SW SW SW S
WIND SPD 4 5 4 3 2 2 2 2 2 3 2 2 2 2 3 3 5 6 6 3
CLOUDS FW FW FW FW CL FW FW FW FW FW SC SC FW FW FW FW FW SC SC SC
POP 12HR 5 0 10 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
OBVIS PF
HEAT INDEX 90103105 97 84 90102103 95 82 88 97 99 93
MAX HEAT 107 110 95 106 109 93 100 104
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 94 68 88 63 82 61 82
TEMP 77 72 91 88 74 69 86 81 68 63 79 78 66 61 80 78
DEWPT 61 60 66 67 67 66 70 70 67 63 67 66 63 60 66 65
PWIND DIR SW NW NE N N N N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC FW
POP 12HR 5 10 10 50 40 30 10 10
RAIN SHWRS S C C C C S S
TSTMS C S
MOZ059-062-072-073-172100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 71 95 71 95
TEMP 83 93 94 86 78 75 73 71 83 92 93 86 78 76 73 72 85 92 95 88
DEWPT 71 73 73 74 73 71 70 69 73 72 72 72 71 68 65 63 67 67 66 66
RH 67 52 51 68 85 87 90 93 72 52 51 63 79 76 76 73 55 44 39 48
WIND DIR SW W W SE S SW SW SW SW W S SE S S SW SW SW SW SW SW
WIND SPD 4 5 4 3 3 3 2 2 3 3 2 1 2 2 3 3 4 6 5 2
WIND GUST 13 14
CLOUDS FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW SC
POP 12HR 10 5 10 0 0
QPF 12HR 0.00-0.08 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 87102104 94 89101102 92 87 96 98 90
MAX HEAT 106 110 95 105 107 93 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 92 67 84 61 78 59 80
TEMP 75 70 89 84 71 67 82 77 66 62 76 73 63 59 78 74
DEWPT 62 60 67 68 67 66 71 70 66 61 67 65 62 59 66 65
PWIND DIR SW NW NE N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC SC SC FW
POP 12HR 10 20 30 60 40 20 10 10
RAIN SHWRS S S S C C L C C S S
TSTMS S S C S
ILZ102-MOZ065-172100-
MONROE IL-JEFFERSON MO-
916 AM CDT THU SEP 17 2026
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26
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 72 96 72 97
TEMP 84 94 96 90 80 76 74 72 84 93 95 89 80 77 74 72 86 94 96 90
DEWPT 72 73 74 74 73 72 71 71 74 74 73 72 72 70 67 65 69 68 67 66
RH 67 51 49 60 79 87 90 97 72 54 49 57 77 79 79 79 57 43 39 45
WIND DIR SW W W SW SW W W SW S W SW S SE S S SW SW SW SW SW
WIND SPD 4 5 4 3 2 2 2 2 2 3 2 2 2 2 3 3 4 5 5 2
CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 10 5 20 0 0
QPF 12HR 0.00-0.12 0 0.00-0.17 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
OBVIS PF
HEAT INDEX 90105107 99 84 91103104 97 82 90 98100 93
MAX HEAT 109 111 96 107 109 95 101 105
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 93 68 86 62 80 60 81
TEMP 76 71 90 87 73 68 84 80 67 63 78 76 64 60 79 76
DEWPT 62 61 68 68 67 66 71 70 66 62 68 65 62 59 66 65
PWIND DIR SW NW NE N N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 5 20 20 50 40 20 10 10
RAIN SHWRS S S S C C C S S
TSTMS S C S
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