499
FOUS53 KLSX 180921
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
421 AM CDT TUE AUG 18 2026
ILZ100-101-MOZ061-063-064-182100-
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
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 70 83 68 83
TEMP 65 77 83 86 84 76 74 72 71 74 79 82 79 74 72 70 68 74 80 83 80
DEWPT 65 67 67 68 70 69 68 68 69 72 74 75 74 73 72 70 68 71 72 72 71
RH 100 71 59 55 63 79 82 87 93 93 85 79 85 97100100100 90 77 70 74
WIND DIR SW SW SW SW SE SE SE W S S SE N NE NE NE NE NE NE NE NE NE
WIND SPD 1 3 4 4 4 4 4 3 4 6 5 3 4 2 2 2 2 4 4 4 4
WIND GUST 13 17
CLOUDS FW FW FW SC SC FW SC B2 OV B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC FW
POP 12HR 0 70 70 50 10
QPF 12HR 0 0.08-0.73 0.07-0.34 0.06-0.34 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC NM SC SC SC C C C C S S
TSTMS SC NM SC SC SC S S S S S S
HEAT INDEX 86 89 88 82 88 81 83 88 81
MAX HEAT 89 94 88 88 95 87 91
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 86 67 87 65 84 66 85
TEMP 70 66 83 81 71 67 84 82 70 66 81 80 70 66 82 81
DEWPT 68 66 70 70 68 67 71 71 68 65 67 68 65 64 69 70
PWIND DIR NE NE SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC SC
POP 12HR 5 0 10 5 5 10 20 20
RAIN SHWRS S S S
MOZ042-049-050-182100-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 68 81 66 82
TEMP 63 76 83 86 84 75 73 70 69 72 78 80 78 72 70 68 66 73 79 81 79
DEWPT 63 66 66 67 71 69 69 69 69 71 73 74 73 72 70 68 66 70 70 70 70
RH 100 71 57 53 65 82 87 97100 97 85 82 85100100100100 90 74 69 74
WIND DIR S S SW S SE E E NE E SE E NE NE NE NE NE NE NE NE NE NE
WIND SPD 3 6 5 4 4 4 4 6 6 6 6 4 4 3 2 2 2 4 4 4 3
WIND GUST 18
CLOUDS FW SC SC SC FW FW B1 OV OV B2 B2 B1 B1 SC SC B1 B1 SC SC FW FW
POP 12HR 5 90 60 30 5
QPF 12HR 0 0.40-0.82 0.02-0.08 0.00-0.09 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC D NM IS SC IS S S C C
TSTMS SC D NM IS SC IS S S S S
HEAT INDEX 85 89 89 83 80 85 80
MAX HEAT 90 96 91 90 94 85 88 91
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 85 66 86 64 83 66 85
TEMP 68 64 82 81 70 66 83 81 68 65 80 79 70 66 81 81
DEWPT 67 64 70 71 68 66 70 70 67 64 67 68 65 64 70 72
PWIND DIR E W SW NW NE E E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1 SC
POP 12HR 5 0 10 5 5 10 30 30
RAIN SHWRS S S C C
TSTMS S
MOZ041-047-048-182100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 70 83 68 84
TEMP 64 77 84 88 86 77 74 72 70 73 78 81 79 73 71 69 68 74 80 83 80
DEWPT 63 66 66 67 72 70 70 70 70 72 73 74 73 73 71 69 68 71 71 71 71
RH 97 69 55 50 63 79 87 93100 97 85 79 82100100100100 90 74 67 74
WIND DIR S S SW S E E E NE E E E NE NE NE NE NE NE NE NE NE NE
WIND SPD 3 6 4 5 4 5 5 6 6 8 6 4 4 3 2 2 2 3 4 4 2
WIND GUST 20
CLOUDS FW FW SC SC CL FW B2 OV OV B1 B2 B1 B1 SC B1 B1 B1 SC SC FW FW
POP 12HR 5 90 50 20 5
QPF 12HR 0 0.25-0.83 0.03 0.00-0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS NM D SC IS SC IS S S
TSTMS NM D SC IS SC IS S S
HEAT INDEX 86 92 92 80 86 81 82 88 83
MAX HEAT 91 98 92 90 94 85 88 91
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 87 67 88 66 85 68 88
TEMP 69 66 83 83 71 68 84 83 70 66 81 81 72 69 83 83
DEWPT 68 66 70 72 69 67 71 71 67 65 67 68 65 64 70 72
PWIND DIR E W SW NW NE E E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1 SC
POP 12HR 0 0 10 5 10 20 40 20
RAIN SHWRS S S S C S
TSTMS S
ILZ095>097-MOZ018-019-026-027-034>036-182100-
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
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 84 68 79 65 81
TEMP 64 76 81 83 81 74 71 70 68 72 76 78 77 71 68 66 65 73 78 81 78
DEWPT 63 66 67 69 72 70 70 69 68 71 72 73 72 70 68 66 65 69 69 69 70
RH 97 71 63 63 74 87 97 97100 97 87 85 85 97100100100 87 74 67 76
WIND DIR S SW SW SW SW W NE S S E E NE NE NE NE NE NE NE NE NE NE
WIND SPD 3 6 6 6 4 4 4 4 3 4 4 3 3 2 1 2 2 3 3 3 1
WIND GUST 13 17
CLOUDS B1 B1 B1 B2 B1 B1 OV OV B2 B2 B2 B1 SC SC SC SC SC SC FW FW FW
POP 12HR 5 70 40 10 5
QPF 12HR 0.00-0.05 0.20-0.70 0.00-0.09 0.00-0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC NM SC IS IS S S
TSTMS IS NM SC IS IS S S
HEAT INDEX 84 87 86 84
MAX HEAT 87 91 87 89 85 88
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 84 66 83 63 81 64 82
TEMP 67 64 81 81 69 66 81 80 67 64 78 78 68 65 80 80
DEWPT 66 64 70 72 68 66 70 71 66 63 67 69 65 63 70 72
PWIND DIR E SW SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW SC SC B1 SC B1 SC
POP 12HR 5 5 20 10 5 10 20 20
RAIN SHWRS S S S S S
TSTMS S S
ILZ069-070-074-182100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 68 83 67 82
TEMP 64 76 81 84 81 74 72 70 70 74 78 81 79 73 71 69 68 74 79 82 79
DEWPT 64 67 67 68 70 68 67 67 69 71 74 75 74 73 71 69 68 71 72 72 71
RH 100 74 63 59 69 82 84 90 97 90 88 82 85100100100100 90 79 72 77
WIND DIR W SW SW SW SE S S SW W SW S NW NE NE NE NE NE NE NE NE NE
WIND SPD 1 2 3 3 3 4 4 3 4 5 5 2 2 1 1 1 1 2 3 3 2
WIND GUST 16 16
CLOUDS CL CL FW CL SC CL CL SC OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC FW
POP 12HR 0 40 80 60 20
QPF 12HR 0 0.02-0.16 0.25-0.57 0.15-0.38 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS NM SC SC SC C C L L S S
TSTMS IS NM SC SC SC S S C C S S
OBVIS PF
HEAT INDEX 84 87 85 87 81 87
MAX HEAT 86 91 86 87 93 86 86 90
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 84 65 86 64 83 64 84
TEMP 69 65 81 80 69 66 83 81 69 65 81 78 68 64 82 80
DEWPT 68 65 69 70 68 66 71 71 68 65 67 67 65 64 68 69
PWIND DIR NE N NW NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 5 5 5 5 5 5 10 20
RAIN SHWRS S S
TSTMS S
MOZ074-084-085-099-182100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 69 88 67 84
TEMP 64 77 86 90 85 76 73 71 70 76 84 87 81 74 72 69 68 74 81 84 79
DEWPT 64 66 66 66 70 68 67 67 68 71 74 75 75 74 72 69 68 72 73 74 73
RH 100 69 51 45 61 76 81 87 93 85 72 68 82100100100100 93 77 72 82
WIND DIR NW S SW S E SE SE SE N E S S E E NE N N NE NE NE NE
WIND SPD 1 3 3 3 3 4 3 3 8 6 5 2 2 2 1 1 1 2 2 2 2
WIND GUST 24 17 16 12 12 11 11 11
CLOUDS CL CL CL CL CL CL CL FW B1 B2 FW SC B2 B1 B1 B2 B2 B1 SC SC SC
POP 12HR 0 50 60 70 30
QPF 12HR 0 0.00-0.77 0.13-0.53 0.11-0.54 0.01-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC NM SC SC SC C C L L C C
TSTMS IS NM SC SC SC C C C C C C
OBVIS PF
HEAT INDEX 89 93 89 91 97 86 85 91 81
MAX HEAT 94 97 90 99 105 87 94 98
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 86 65 88 65 86 65 86
TEMP 69 65 84 81 69 65 86 83 70 65 83 80 69 65 84 82
DEWPT 69 65 70 71 67 65 70 71 68 65 67 69 65 63 69 71
PWIND DIR NE N N NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 5 5 5 5 5 10 30 20
RAIN SHWRS S S C S
MOZ051-052-060-182100-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 86 68 81 65 82
TEMP 63 76 83 86 83 75 73 70 69 72 78 80 78 72 70 68 66 73 79 82 78
DEWPT 63 67 67 68 72 69 69 69 69 72 74 75 73 72 70 68 66 70 71 71 70
RH 100 74 59 55 70 82 87 97100100 88 85 85100100100100 90 77 69 76
WIND DIR S S SW SW SE SE E NW SE SE E N NE NE NE NE NE NE NE NE NE
WIND SPD 2 5 4 4 3 4 3 5 6 5 6 2 2 2 1 1 1 3 3 3 2
CLOUDS FW SC SC B1 FW FW B2 OV OV B2 B2 B1 B1 SC B1 B1 B1 B1 SC FW FW
POP 12HR 0 80 70 30 10
QPF 12HR 0 0.33-0.80 0.04-0.11 0.01-0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS D NM IS SC IS S S C C
TSTMS IS D NM IS SC IS S S S S
HEAT INDEX 86 89 89 84 80 86
MAX HEAT 88 93 88 86 92 86 89
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 85 65 86 63 83 64 84
TEMP 68 64 82 81 69 66 83 81 68 64 80 78 69 65 81 80
DEWPT 67 64 70 72 68 66 71 71 67 64 68 68 65 63 70 71
PWIND DIR E NW SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 B1
POP 12HR 5 0 10 5 5 10 20 20
RAIN SHWRS S S C S
TSTMS S S
ILZ058-059-098-099-182100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 67 81 64 82
TEMP 63 76 82 84 82 74 72 70 68 72 78 79 78 71 69 67 65 73 79 81 79
DEWPT 63 67 66 67 70 68 67 68 68 70 72 72 71 71 69 67 65 69 69 68 68
RH 100 74 58 57 67 82 84 93100 93 82 79 79100100100100 87 72 65 69
WIND DIR SW SW SW SW SE S SE NW SW SE SE N NE NE NE NE NE NE NE NE NE
WIND SPD 2 5 5 4 4 4 4 3 4 4 4 3 3 2 2 2 2 3 4 4 3
CLOUDS FW SC SC B1 B1 SC B2 B2 OV B1 B2 B1 B1 B1 B1 B1 B1 B1 SC FW FW
POP 12HR 0 60 60 30 10
QPF 12HR 0 0.20-0.42 0.05-0.24 0.02-0.11 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS SC NM SC SC IS S S C C
TSTMS SC NM SC SC IS S S S S
OBVIS PF
HEAT INDEX 84 87 86 80 80 84
MAX HEAT 87 92 88 85 89 85 88
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 84 64 85 62 82 63 83
TEMP 67 63 81 81 69 65 83 81 68 64 80 78 68 64 81 80
DEWPT 66 63 68 69 67 65 69 69 66 63 65 66 64 62 67 68
PWIND DIR NE NW SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC B1 SC SC SC
POP 12HR 5 0 20 10 0 5 20 20
RAIN SHWRS S S S S S
TSTMS S S S
ILZ060-064-065-182100-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 83 67 81 65 82
TEMP 63 75 81 82 81 73 71 69 68 72 77 79 78 72 70 67 66 73 79 81 78
DEWPT 63 66 67 67 70 68 67 67 68 70 72 73 72 72 70 67 66 69 70 69 69
RH 100 74 63 61 69 84 87 93100 93 85 82 82100100100100 87 74 67 74
WIND DIR W SW SW SW S S S W SW SW S NW N NE NE NE NE NE NE NE NE
WIND SPD 1 3 4 4 3 4 4 3 5 4 5 3 2 2 1 2 2 3 3 4 2
CLOUDS FW FW FW SC B1 SC SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC FW
POP 12HR 0 50 70 40 20
QPF 12HR 0 0.04-0.55 0.11-0.41 0.02-0.30 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC NM SC IS SC C C C C S S
TSTMS IS NM SC IS SC S S S S S S
OBVIS PF
HEAT INDEX 83 85 84 80 84
MAX HEAT 85 88 85 87 83 87
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 83 64 84 62 82 62 82
TEMP 67 63 81 80 68 65 82 80 68 64 79 78 67 63 80 79
DEWPT 66 63 68 69 67 65 69 69 66 63 65 66 64 62 67 68
PWIND DIR NE N W NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW CL FW FW FW SC SC SC SC
POP 12HR 5 0 10 20 0 5 10 20
RAIN SHWRS S S S
TSTMS S
ILZ079-MOZ075-182100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 69 85 67 83
TEMP 66 77 84 87 83 75 73 71 70 75 81 84 80 74 72 70 68 74 80 83 79
DEWPT 65 67 67 68 71 68 67 67 68 72 76 77 76 74 72 70 68 72 74 75 73
RH 97 71 57 53 67 79 81 87 93 90 85 80 88100100100100 93 82 77 82
WIND DIR SW S SW S SE SE S SE N S SE W NE E N NE NE NE NE NE NE
WIND SPD 1 3 3 2 3 5 4 4 5 8 6 3 3 3 2 2 2 3 3 4 3
WIND GUST 16 18
CLOUDS CL CL CL CL CL CL CL SC B2 B2 SC B1 B2 B1 B1 B2 B2 B2 B1 SC FW
POP 12HR 0 50 70 70 20
QPF 12HR 0 0.01-0.42 0.12-0.32 0.29-0.60 0.01-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS NM SC SC SC C C L L S S
TSTMS IS NM SC SC SC C C C C S S
OBVIS PF
HEAT INDEX 87 90 88 86 94 84 83 90 81
MAX HEAT 89 94 87 92 99 86 87 93
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 85 65 87 64 84 64 86
TEMP 70 65 82 81 70 66 85 82 70 66 82 79 69 65 83 81
DEWPT 70 65 71 71 68 66 72 72 68 66 68 69 66 64 69 71
PWIND DIR NE N SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 10 5 5 5 5 10 20 20
RAIN SHWRS S S
MOZ059-062-072-073-182100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 70 85 66 83
TEMP 64 78 86 89 85 76 74 72 70 75 82 84 79 73 71 69 67 74 80 83 78
DEWPT 63 66 66 66 70 68 67 68 69 73 75 76 74 73 71 69 67 72 73 73 71
RH 97 67 51 47 61 76 79 87 97 94 79 77 85100100100100 93 79 72 79
WIND DIR S S SW SW E SE SE NW SE SE S NE NE NE NE NE NE NE NE NE NE
WIND SPD 2 4 4 3 3 4 4 5 6 8 6 3 3 2 1 1 1 3 3 3 2
WIND GUST 21 13
CLOUDS CL CL FW FW FW CL SC B1 B2 B1 B1 B1 B2 B1 B1 B2 B2 B1 SC FW FW
POP 12HR 0 80 80 60 20
QPF 12HR 0 0.22-0.78 0.04-0.25 0.04-0.68 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS NM D SC SC SC C C L L S S
TSTMS NM NM SC SC SC S S S S S S
OBVIS PF
HEAT INDEX 88 92 89 87 92 80 84 89
MAX HEAT 92 95 88 95 100 89 94
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 65 88 64 85 65 87
TEMP 68 65 84 81 69 66 85 82 69 65 82 79 70 66 83 81
DEWPT 68 65 70 71 68 66 71 71 67 64 68 68 65 63 70 71
PWIND DIR NE NE W NW NE NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 5 5 5 5 5 10 30 30
RAIN SHWRS S C C
TSTMS S
ILZ102-MOZ065-182100-
MONROE IL-JEFFERSON MO-
421 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 69 84 67 83
TEMP 65 78 85 88 84 76 74 72 70 75 81 83 79 74 72 69 68 75 80 83 79
DEWPT 64 67 67 68 71 68 67 68 69 73 76 77 75 74 72 69 68 73 74 74 72
RH 97 69 55 52 65 76 79 87 97 94 85 82 88100100100100 94 82 74 79
WIND DIR SW S SW SW SE SE S S N SE SE N NE E NE NE NE NE NE NE NE
WIND SPD 1 3 3 3 3 4 3 3 4 8 5 3 3 2 1 1 2 3 3 3 3
CLOUDS CL CL FW CL FW CL FW B1 OV B2 B1 B1 B2 B1 B1 B2 B2 B2 B1 FW FW
POP 12HR 0 80 80 60 20
QPF 12HR 0 0.09-0.52 0.08-0.27 0.15-0.48 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS SC D SC SC SC C C L L S S
TSTMS SC NM SC SC SC S S S S S S
OBVIS PF
HEAT INDEX 88 91 88 86 92 81 84 89 80
MAX HEAT 91 95 88 92 98 89 93
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 65 88 65 84 65 86
TEMP 69 65 83 81 69 66 85 82 70 66 82 79 69 65 83 81
DEWPT 69 65 71 71 68 66 72 71 68 65 68 69 65 64 71 71
PWIND DIR NE NE SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 5 5 5 5 5 10 20 20
RAIN SHWRS S S
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