101
FOUS53 KLSX 180536
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1235 AM CDT TUE AUG 18 2026
ILZ100-101-MOZ061-063-064-190900-
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
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 64 87 70 83 67
TEMP 69 67 66 77 83 86 84 76 74 72 71 74 79 83 80 74 72 70 68
DEWPT 66 66 65 68 68 69 70 69 68 68 69 72 74 75 74 73 72 70 68
RH 90 97 97 74 61 57 63 79 82 87 93 93 85 77 82 97100100100
WIND DIR NW W SW SW SW SW SE SE SE W S S SE NE NE NE N NE NE
WIND SPD 1 1 1 3 4 4 4 4 4 3 4 6 5 4 4 3 2 2 3
WIND GUST 13 17
CLOUDS SC CL FW FW FW SC SC FW SC B2 OV B2 B1 B1 B1 B1 B1 B2 B1
POP 12HR 0 0 60 70 60
QPF 12HR 0 0 0.06-0.78 0.04-0.56 0.10-0.92
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L C S S C C L L S
TSTMS S C L C S S C C L L S
HEAT INDEX 86 90 88 82 91 84
MAX HEAT 90 94 88 88 96 85
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 83 64 85 66 85 64 83 63 84
TEMP 80 78 69 65 82 81 71 67 83 80 69 65 80 79 68 64 81 80
DEWPT 72 71 68 65 70 71 68 67 70 69 66 63 65 66 64 62 67 68
PWIND DIR NE NE NE S NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC B1 B1
POP 12HR 20 5 5 10 20 5 5 10 10
RAIN SHWRS S S S S S
TSTMS S S S
MOZ042-049-050-190900-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 87 68 81 65
TEMP 65 65 64 76 83 86 84 75 73 70 69 72 78 81 78 72 70 68 66
DEWPT 64 64 63 67 67 68 71 69 69 69 69 71 73 74 73 72 70 68 66
RH 97 97 97 74 59 55 65 82 87 97100 97 85 79 85100100100100
WIND DIR E S S S SW S SE E E NE E SE E NE NE NE NE NE NE
WIND SPD 2 2 3 6 5 4 4 4 4 6 6 6 6 5 4 4 3 3 3
WIND GUST 18
CLOUDS FW CL SC SC SC SC FW FW B1 OV OV B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 0 0 70 50 40
QPF 12HR 0 0 0.18-0.84 0.03-0.09 0.00-0.22
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L C S S S S C C
TSTMS S C L C S S S S C C
HEAT INDEX 85 90 89 85
MAX HEAT 90 96 91 90 95
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 81 63 84 65 83 63 82 63 84
TEMP 78 77 68 64 81 80 70 66 81 79 67 64 79 78 67 63 80 80
DEWPT 71 70 67 64 70 71 68 66 69 68 65 62 65 66 63 62 67 69
PWIND DIR NE E S SE NW NE E E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC B1
POP 12HR 10 5 5 20 10 5 10 20 20
RAIN SHWRS S S S S S S
TSTMS S S
MOZ041-047-048-190900-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 65 90 70 83 67
TEMP 67 66 65 77 84 88 86 77 74 72 70 73 78 82 79 73 71 69 68
DEWPT 65 64 64 67 68 69 72 70 70 70 70 72 73 75 73 73 71 69 68
RH 93 93 97 71 59 54 63 79 87 93100 97 85 79 82100100100100
WIND DIR SE S S S SW S E E E NE E E E NE NE NE NE NE NE
WIND SPD 3 2 3 6 4 5 4 5 5 6 6 8 6 4 4 3 2 2 2
WIND GUST 20
CLOUDS FW FW FW FW SC SC CL FW B2 OV OV B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 0 5 70 50 40
QPF 12HR 0 0 0.25-0.67 0.04 0.00-0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L L C S S C C C C
TSTMS S L L C S S C C C C
HEAT INDEX 87 93 92 80 89 81
MAX HEAT 92 99 92 90 95 85
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 83 65 86 67 85 64 85 65 86
TEMP 79 79 69 66 82 81 71 68 82 81 69 65 80 80 70 66 81 82
DEWPT 71 71 68 66 71 72 69 67 70 69 65 63 66 67 64 63 68 70
PWIND DIR NE E SE SE NW NE E SE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW CL FW FW FW FW SC FW FW FW SC SC SC SC SC SC
POP 12HR 10 5 5 10 20 5 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S S
ILZ095>097-MOZ018-019-026-027-034>036-190900-
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
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 84 68 79 64
TEMP 65 65 65 76 81 83 81 74 71 70 68 72 76 79 78 71 69 66 65
DEWPT 64 63 63 68 69 70 72 70 70 69 68 71 72 73 72 70 68 66 65
RH 97 93 93 76 67 65 74 87 97 97100 97 87 82 82 97 97100100
WIND DIR S SW S SW SW SW SW W NE S S E E NE NE NE NE NE NE
WIND SPD 2 3 3 6 6 6 4 4 4 4 3 4 4 4 3 2 2 2 2
WIND GUST 13 17
CLOUDS FW SC SC B1 B1 B2 B1 B1 OV OV B2 B2 B2 B2 B1 SC SC B1 SC
POP 12HR 0 10 80 40 20
QPF 12HR 0 0.00-0.08 0.22-0.86 0.01-0.10 0.00-0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C D L C S C S S S S S
TSTMS S S C D L C S C S S S S S
HEAT INDEX 84 87 86 81
MAX HEAT 88 92 87 90
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 81 63 82 65 81 62 80 62 81
TEMP 78 77 67 64 80 79 69 66 79 77 65 63 78 77 66 63 78 78
DEWPT 69 70 65 64 70 71 67 66 69 69 64 62 65 67 63 62 68 70
PWIND DIR NE SE SW SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC B1 B1
POP 12HR 10 0 5 30 10 5 10 20 20
RAIN SHWRS S C S S S S S
TSTMS S S S
ILZ069-070-074-190900-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 85 68 83 67
TEMP 67 65 65 76 81 84 81 74 72 70 70 74 78 83 80 74 72 69 68
DEWPT 67 65 65 68 68 68 70 68 67 67 69 71 74 75 74 73 72 69 68
RH 100100100 76 65 59 69 82 84 90 97 90 88 77 82 97100100100
WIND DIR N N W SW SW SW SE S S SW W SW S SW N NE NE N NE
WIND SPD 1 1 1 2 3 3 3 4 4 3 4 5 5 2 2 1 1 2 2
WIND GUST 16 16
CLOUDS SC CL FW CL FW CL SC CL CL SC OV OV B2 B1 B1 SC B1 B2 B1
POP 12HR 0 0 40 60 70
QPF 12HR 0 0 0.02-0.33 0.30-0.74 0.28-0.93
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L C C L L L L C
TSTMS S C L C C L L L L C
HEAT INDEX 84 87 85 91 84
MAX HEAT 87 91 86 87 96 86
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 63 84 65 84 63 81 62 82
TEMP 79 78 68 64 81 80 69 66 82 79 68 64 79 77 66 63 80 78
DEWPT 72 71 68 64 70 70 68 66 70 69 66 64 65 65 64 62 66 68
PWIND DIR NE NE N W NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW FW FW FW FW SC FW FW FW FW SC SC SC B1 SC
POP 12HR 30 5 5 20 20 5 5 10 10
RAIN SHWRS C S S S S
TSTMS C S S S S
MOZ074-084-085-099-190900-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 90 69 88 67
TEMP 68 66 65 77 86 90 85 76 73 71 70 76 84 88 82 74 72 70 68
DEWPT 66 65 64 66 67 68 70 68 67 67 68 71 74 75 75 74 72 70 68
RH 93 97 97 69 53 49 61 76 81 87 93 85 72 66 79100100100100
WIND DIR N N NW S SW S E SE SE SE N E S S NE E NE NE NE
WIND SPD 1 1 1 3 3 3 3 4 3 3 8 6 5 2 2 2 1 1 1
WIND GUST 24 17 16 12 12 11 11
CLOUDS SC FW CL CL CL CL CL CL CL FW B1 B2 FW SC B1 B1 B1 B2 B2
POP 12HR 0 0 40 50 70
QPF 12HR 0 0 0.00-0.35 0.13-0.54 0.19-0.47
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S C C L L C
TSTMS S C C S S C C L L C
HEAT INDEX 89 94 89 91 97 87
MAX HEAT 95 99 90 99 105 89
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 83 64 85 64 86 63 84 62 85
TEMP 80 78 69 65 83 80 69 65 84 81 69 64 82 79 67 63 82 80
DEWPT 74 73 69 65 71 72 68 65 70 70 66 63 66 67 63 62 67 69
PWIND DIR NE NE NE N NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 40 10 5 10 20 5 10 10 20
RAIN SHWRS C C S S S S
TSTMS C C S S
MOZ051-052-060-190900-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 62 86 68 81 65
TEMP 66 65 64 76 83 86 83 75 73 70 69 72 78 81 78 72 70 68 66
DEWPT 64 64 63 68 68 70 72 69 69 69 69 72 74 75 73 72 70 68 66
RH 93 97 97 76 61 59 70 82 87 97100100 88 82 85100100100100
WIND DIR N SW S S SW SW SE SE E NW SE SE E NE NE NE NE NE NE
WIND SPD 1 1 2 5 4 4 3 4 3 5 6 5 6 3 3 2 2 1 2
CLOUDS FW CL SC SC SC B1 FW FW B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR 0 0 70 50 50
QPF 12HR 0 0 0.16-1.19 0.04-0.16 0.02-0.28
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C S S S C C C C S
TSTMS C L C S S S C C C C S
HEAT INDEX 86 90 89 87
MAX HEAT 89 94 88 86 94
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 62 83 64 83 62 82 62 83
TEMP 79 77 68 63 81 80 69 65 81 78 67 63 79 77 67 62 80 79
DEWPT 71 70 67 63 70 71 68 65 70 69 65 62 65 66 63 62 68 69
PWIND DIR NE NE SW SW NW N NE E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC B1
POP 12HR 10 5 5 10 20 5 10 20 20
RAIN SHWRS S S S S S S
TSTMS S S
ILZ058-059-098-099-190900-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 61 85 67 81 64
TEMP 66 65 64 76 82 84 82 74 72 70 68 72 78 81 79 72 70 67 65
DEWPT 64 64 63 67 67 68 70 68 67 68 68 70 72 73 72 71 69 67 65
RH 93 97 97 74 61 59 67 82 84 93100 93 82 77 79 97 97100100
WIND DIR W W SW SW SW SW SE S SE NW SW SE SE NE NE NE NE NE NE
WIND SPD 1 1 2 5 5 4 4 4 4 3 4 4 4 4 4 3 2 2 3
CLOUDS SC FW SC SC SC B1 B1 SC B2 B2 OV B1 B2 B2 B2 B1 B1 B1 B1
POP 12HR 0 0 70 60 40
QPF 12HR 0 0 0.18-1.14 0.07-0.48 0.01-0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L C C C C C C C S
TSTMS C L L C C C C C C C S
HEAT INDEX 84 87 86 85
MAX HEAT 88 92 88 85 90
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 61 83 64 83 61 81 60 82
TEMP 79 77 67 62 81 80 69 65 81 78 66 63 79 77 66 61 79 78
DEWPT 68 68 65 62 68 69 67 65 68 67 64 61 63 64 63 61 65 67
PWIND DIR NE E SW SW NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW SC SC FW FW FW FW SC SC SC B1 B1
POP 12HR 10 5 5 20 20 5 5 10 10
RAIN SHWRS S S S S
TSTMS S S S S
ILZ060-064-065-190900-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 61 83 67 81 65
TEMP 65 64 64 75 81 82 81 73 71 69 68 72 77 81 79 72 70 67 66
DEWPT 64 63 63 67 67 68 70 68 67 67 68 70 72 73 72 71 70 67 66
RH 97 97 97 76 63 63 69 84 87 93100 93 85 77 79 97100100100
WIND DIR NW NW W SW SW SW S S S W SW SW S N NE NE NE NE NE
WIND SPD 1 2 1 3 4 4 3 4 4 3 5 4 5 3 3 2 2 2 2
CLOUDS SC CL FW FW FW SC B1 SC SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 0 0 50 70 50
QPF 12HR 0 0 0.05-0.68 0.11-0.65 0.05-0.34
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L C C C C C C C S
TSTMS S C L C C C C C C C S
HEAT INDEX 83 86 84 86
MAX HEAT 85 88 85 89 85
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 81 61 83 63 83 61 80 60 81
TEMP 78 77 67 62 80 79 69 65 81 79 67 63 78 76 65 61 78 77
DEWPT 69 68 65 62 68 69 67 65 69 67 64 62 63 64 62 61 65 66
PWIND DIR NE NE N W NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW SC SC FW FW FW FW SC SC SC SC B1
POP 12HR 20 5 5 20 20 5 5 10 10
RAIN SHWRS S S S S
TSTMS S S S
ILZ079-MOZ075-190900-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 87 69 85 66
TEMP 69 67 66 77 84 87 83 75 73 71 70 75 81 85 81 75 72 70 67
DEWPT 67 66 65 68 68 69 71 68 67 67 68 72 76 77 75 74 72 70 67
RH 93 97 97 74 59 55 67 79 81 87 93 90 85 77 82 97100100100
WIND DIR S W SW S SW S SE SE S SE N S SE N N NE N N N
WIND SPD 1 1 1 3 3 2 3 5 4 4 5 8 6 3 3 3 2 2 2
WIND GUST 16 18
CLOUDS SC FW CL CL CL CL CL CL CL SC B2 B2 SC B1 B1 B1 B2 B2 B1
POP 12HR 0 0 40 50 80
QPF 12HR 0 0 0.00-0.09 0.12-0.42 0.34-0.95
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S L L D D C
TSTMS S C C S S L L D D C
HEAT INDEX 87 91 88 86 95 86
MAX HEAT 91 95 87 92 99 86
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 64 83 65 85 63 83 62 84
TEMP 79 78 70 65 81 80 70 66 83 79 69 65 80 78 68 63 81 80
DEWPT 75 73 69 65 72 72 69 66 71 70 67 64 66 67 64 62 67 69
PWIND DIR NE NE NE S NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 SC
POP 12HR 30 5 5 10 20 5 5 10 20
RAIN SHWRS C S S S S
TSTMS C S S
MOZ059-062-072-073-190900-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 90 70 85 66
TEMP 67 65 64 78 86 89 85 76 74 72 70 75 82 85 79 73 71 69 67
DEWPT 64 65 63 67 67 67 70 68 67 68 69 73 75 76 74 73 71 69 67
RH 90100 97 69 53 48 61 76 79 87 97 94 79 75 85100100100100
WIND DIR SE S S S SW SW E SE SE NW SE SE S NE NE NE NE NE NE
WIND SPD 1 1 2 4 4 3 3 4 4 5 6 8 6 3 3 2 1 1 1
WIND GUST 21
CLOUDS SC CL FW CL FW FW FW CL SC B1 B2 B1 B1 B1 B1 B1 B1 B2 B1
POP 12HR 0 0 60 50 70
QPF 12HR 0 0 0.03-0.45 0.04-0.29 0.11-0.48
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C S S C C L L C
TSTMS S C C C S S C C L L C
HEAT INDEX 89 93 89 87 94 81
MAX HEAT 93 96 88 95 100 85
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 63 85 65 85 63 83 62 85
TEMP 79 77 68 64 83 80 69 65 83 79 68 64 80 78 67 63 82 80
DEWPT 73 72 68 64 71 71 68 65 70 69 66 63 66 66 64 62 68 69
PWIND DIR NE NE NE S NW N NE SE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC SC
POP 12HR 20 5 5 10 20 5 10 20 20
RAIN SHWRS C S S S S S
TSTMS C S S
ILZ102-MOZ065-190900-
MONROE IL-JEFFERSON MO-
1235 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 88 69 84 66
TEMP 69 66 65 78 85 88 84 76 74 72 70 75 81 84 80 74 72 69 67
DEWPT 67 65 64 68 69 69 71 68 67 68 69 73 76 77 75 74 72 69 67
RH 93 97 97 71 59 54 65 76 79 87 97 94 85 80 85100100100100
WIND DIR SE SW SW S SW SW SE SE S S N SE SE NE NE NE NE NE N
WIND SPD 1 1 1 3 3 3 3 4 3 3 4 8 5 3 3 2 2 1 2
CLOUDS SC FW FW CL FW CL FW CL FW B1 OV B2 B1 B1 B1 B1 B2 B2 B1
POP 12HR 0 0 50 50 70
QPF 12HR 0 0 0.02-0.25 0.06-0.42 0.34-0.89
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S L L L L C
TSTMS C C C S S L L L L C
HEAT INDEX 88 92 88 86 94 84
MAX HEAT 92 97 88 92 100
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 64 85 65 85 63 83 62 84
TEMP 79 78 69 65 82 80 69 66 83 80 68 64 80 78 67 63 81 80
DEWPT 74 73 69 65 72 72 68 66 72 70 66 63 67 67 64 62 69 69
PWIND DIR NE NE NE S NW N N E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC B1 B1
POP 12HR 30 5 5 10 20 5 10 10 20
RAIN SHWRS C S S S S
TSTMS C S S
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