605
FOUS53 KLSX 101636
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1136 AM CDT MON AUG 10 2026
ILZ100-101-MOZ061-063-064-102100-
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
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 78 97 77 95
TEMP 89 94 91 84 81 80 78 88 94 96 94 85 82 79 78 86 92 95 90
DEWPT 73 74 75 73 71 70 70 74 75 75 76 73 71 70 71 75 76 76 76
RH 59 53 60 70 72 72 76 63 54 51 56 67 69 74 79 70 60 54 64
WIND DIR SW SW S S S S S SW SW SW SW SW S SW SW SW SW W W
WIND SPD 8 8 5 6 6 6 6 9 8 8 4 4 5 5 5 8 6 5 3
CLOUDS B2 SC SC SC SC SC FW FW SC FW SC SC SC SC SC SC SC SC SC
POP 12HR 10 5 10 20 20
QPF 12HR 0.01 0 0 0.00-0.26 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S S
HEAT INDEX 97105103 90 85 82 97107108107 91 86 80 95105108102
MAX HEAT 103 109 101 90 111 113 105 91 110 112
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 91 73 88 73 91 73 90
TEMP 79 75 88 86 77 74 86 85 76 74 89 88 77 74 87 85
DEWPT 73 72 77 76 73 71 75 75 71 69 74 74 72 70 75 74
PWIND DIR S SE E E SE SW S W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 40 30 50 20 20 20 20 20
RAIN SHWRS C C C S C C S S S S S S S S S
TSTMS S C C S C S S S S S S S S S
MOZ049-050-102100-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 95 76 96
TEMP 89 94 90 83 81 79 77 85 93 94 91 83 81 78 77 85 92 95 90
DEWPT 74 72 74 71 70 69 69 72 74 73 75 71 70 69 70 74 74 73 75
RH 61 49 60 67 69 72 76 65 54 51 60 67 69 74 79 70 56 49 62
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW S
WIND SPD 9 9 4 5 6 6 8 9 9 8 3 4 5 5 5 8 6 5 3
WIND GUST 21 19 16 17 18 19 21 20 19 16 16 18 17
CLOUDS B1 SC SC FW FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC
POP 12HR 10 0 0 5 5
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 97103100 87 84 80 91102103102 88 84 92102104101
MAX HEAT 101 107 99 87 107 109 102 87 106 109
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 74 92 73 90 73 91 72 88
TEMP 79 74 89 86 77 73 87 85 77 74 88 86 76 73 85 83
DEWPT 71 71 75 75 72 71 73 74 71 69 72 73 70 69 73 73
PWIND DIR S S E SE SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 30 20 50 20 20 20 20 10
RAIN SHWRS S C S S C C S S S S S S S S S
TSTMS S C S S C S S S S S S S S
MOZ042-102100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 92 76 91
TEMP 86 91 88 81 80 78 77 84 90 92 90 82 80 78 76 83 89 91 88
DEWPT 75 75 77 72 69 68 68 72 75 74 76 72 69 68 69 73 75 75 76
RH 70 60 70 74 69 71 74 67 62 56 64 72 69 71 79 72 64 60 68
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW S SW SW SW SW S
WIND SPD 12 11 5 8 8 9 10 12 11 11 4 6 6 8 8 9 9 6 3
WIND GUST 23 20 21 24 21 18 19
CLOUDS B2 SC SC FW FW FW FW FW FW SC SC SC SC FW SC SC SC SC SC
POP 12HR 20 5 5 10 20
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 94102100 86 82 90100102102 87 83 90 98101 99
MAX HEAT 97 102 98 84 103 106 99 84 101 103
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 86 70 85 70 87 70 84
TEMP 77 72 84 83 73 71 83 82 74 72 85 84 74 71 82 81
DEWPT 72 71 75 75 71 69 73 74 70 68 73 74 70 69 73 73
PWIND DIR SE SE E SE SE SW SW NW
WIND CHAR LT LT GN GN GN GN LT LT
AVG CLOUDS SC B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC SC SC SC
POP 12HR 40 30 60 30 30 20 20 20
RAIN SHWRS C C S C L C S S C S S S S
TSTMS C S S C S S S S C S S S S
MOZ041-047-048-102100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 78 96 78 97
TEMP 89 95 91 84 82 80 78 86 93 94 92 84 82 80 78 85 92 95 91
DEWPT 74 73 75 71 70 69 69 72 74 74 75 72 70 69 70 73 74 74 75
RH 61 49 60 65 67 69 74 63 54 53 58 67 67 69 76 67 56 51 60
WIND DIR SW SW S S S SW SW SW SW SW SW S SW SW SW SW SW SW S
WIND SPD 9 9 4 5 5 6 6 9 9 8 3 4 4 5 5 6 6 5 3
WIND GUST 21 20 16 17 20 21 24 21 19 14 16 17 17 18 17
CLOUDS B1 SC SC FW FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC
POP 12HR 10 0 0 5 5
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 97104101 89 85 83 92103105104 90 85 81 93103106102
MAX HEAT 101 107 101 88 107 110 102 87 107 111
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 76 93 74 91 74 92 73 88
TEMP 80 76 89 87 77 74 87 86 77 75 88 87 77 74 85 83
DEWPT 71 72 75 75 72 71 73 74 71 69 73 74 71 70 73 74
PWIND DIR S S E SE SE SW S NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 50 20 20 20 20 10
RAIN SHWRS S S C C S S S S S S S
TSTMS S S C S S S S S S S S
ILZ095>097-MOZ018-019-026-027-034>036-102100-
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
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 93 76 92
TEMP 88 91 88 82 80 78 77 85 90 92 91 83 80 78 76 82 88 91 87
DEWPT 73 75 77 74 71 69 69 73 75 76 77 74 72 70 70 74 76 76 76
RH 61 60 70 77 74 74 76 67 62 60 64 74 77 76 82 77 68 62 70
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW S SE
WIND SPD 10 9 4 5 5 6 8 10 10 9 4 4 3 4 5 6 6 5 2
WIND GUST 23 21 14 17 17 21 23 25 23 20 14 16 18 17 19 17
CLOUDS B1 SC SC FW FW FW SC SC SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 10 10 10 20 40
QPF 12HR 0 0 0 0.00-0.38 0.00-0.11
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S IS IS C C C C S
TSTMS IS IS S S C C S
HEAT INDEX 96101100 88 82 92101104105 89 82 89 99103 99
MAX HEAT 99 106 103 90 107 112 106 91 105 110
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 85 69 84 70 87 71 84
TEMP 76 72 82 81 72 70 81 81 73 71 84 84 74 71 82 80
DEWPT 73 72 76 75 71 69 74 74 70 69 75 75 71 69 74 74
PWIND DIR E SE NE E SE SW SW NW
WIND CHAR LT LT LT LT GN LT LT LT
AVG CLOUDS SC B1 B2 B1 B1 B2 B2 B1 SC B1 SC SC SC SC SC B1
POP 12HR 60 60 70 30 40 20 20 20
RAIN SHWRS S L L C L L C S S C S S S S S
TSTMS S C C C C C C S S C S S S S S
ILZ069-074-102100-
CLINTON IL-WASHINGTON IL-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 97 76 95
TEMP 89 94 90 83 82 80 77 87 94 95 92 84 81 78 77 86 92 94 89
DEWPT 75 76 76 74 72 71 71 75 77 76 77 73 72 71 72 76 77 77 77
RH 64 56 64 74 72 74 82 68 58 54 62 70 74 79 85 72 62 58 68
WIND DIR S SW S S S SW S SW SW SW SW S S W SW SW SW SW SW
WIND SPD 8 8 5 8 9 6 5 8 8 6 4 6 5 5 4 6 5 4 3
WIND GUST 17 16
CLOUDS FW SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 10 5 10 20 20
QPF 12HR 0 0 0 0.00-0.11 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S C
HEAT INDEX 100106102 90 86 81 97108110105 90 85 95106109101
MAX HEAT 103 109 101 93 110 113 105 93 109 112
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 91 73 88 72 91 73 90
TEMP 78 75 88 86 76 73 86 84 75 73 89 86 77 74 88 84
DEWPT 73 72 78 77 74 72 76 75 72 70 75 75 72 70 76 75
PWIND DIR SW S SE E SE S S W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC FW SC SC
POP 12HR 50 30 50 20 20 20 20 20
RAIN SHWRS C C C S C C S S S S S S S S S
TSTMS C S C S C S S S S S S S S S S
ILZ070-102100-
MARION IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 95 76 93
TEMP 90 92 88 82 81 79 77 86 92 94 90 83 81 78 77 84 90 92 87
DEWPT 75 75 75 72 71 70 70 74 75 75 75 72 71 70 71 75 76 76 75
RH 62 58 66 72 72 74 79 68 58 54 62 70 72 76 82 74 64 60 68
WIND DIR SW SW SW S S SW S SW SW SW SW S SW SW SW W SW SW SW
WIND SPD 8 8 5 8 8 6 5 8 8 8 4 6 5 5 4 6 6 5 2
WIND GUST 18 17 16
CLOUDS SC SC SC SC SC B1 SC SC SC FW SC SC SC SC SC SC B1 SC SC
POP 12HR 10 10 10 20 20
QPF 12HR 0 0 0 0.00-0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS S S S S C
TSTMS IS S S C
HEAT INDEX 100104 98 87 85 81 94104106100 88 85 92101105 96
MAX HEAT 102 106 96 87 107 109 97 85 106 109
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 74 89 72 86 71 89 72 88
TEMP 77 74 86 84 75 73 84 82 74 72 87 85 76 73 86 83
DEWPT 72 72 76 74 72 71 74 73 70 69 74 73 70 70 74 73
PWIND DIR SW S E E SE S S W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW SC SC
POP 12HR 50 50 50 30 30 20 20 20
RAIN SHWRS C C C S C C C S S C S S S S S
TSTMS C S C S C S S S S S S S S S S
MOZ074-084-085-099-102100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 95 75 95
TEMP 90 93 89 80 78 76 75 85 93 94 91 82 79 77 76 85 93 95 89
DEWPT 73 72 73 72 70 69 69 72 72 71 72 71 70 69 70 73 73 73 73
RH 58 51 59 77 76 79 82 65 51 47 54 69 74 76 82 67 52 49 59
WIND DIR SW S S S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 5 5 3 3 4 4 3 4 5 5 2 3 3 3 3 4 4 4 2
WIND GUST 16 16 13 17 18 18 18 17 16 16 13 14 16 17 16 17 14 16 13
CLOUDS CL FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW SC
POP 12HR 0 0 0 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 98101 97 82 91101102 99 85 80 92102104 97
MAX HEAT 101 106 96 83 107 110 100 85 109 110
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 95 74 93 73 93 73 92
TEMP 79 75 92 88 78 74 90 87 77 74 91 88 77 74 90 87
DEWPT 70 70 73 74 71 70 72 73 70 68 71 71 69 68 71 72
PWIND DIR SW SW S SW S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW SC FW FW FW SC SC
POP 12HR 10 10 20 10 20 10 10 20
RAIN SHWRS S S S S S S S S
TSTMS S S S S S S S
MOZ051-060-102100-
MONTGOMERY MO-WARREN MO-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 94 75 94
TEMP 86 93 90 81 80 78 76 85 92 94 92 82 80 77 75 83 91 93 90
DEWPT 74 74 76 73 70 69 69 74 75 75 77 73 70 69 70 75 76 76 77
RH 68 54 64 77 72 74 79 70 58 54 62 74 72 76 84 77 62 58 66
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW S SW SW SW SW SW
WIND SPD 8 6 2 4 5 5 6 8 8 6 2 3 4 4 4 5 5 3 1
WIND GUST 20 19 14 16 18 19 20 19 18 16 16 17 16
CLOUDS OV SC B1 FW FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC
POP 12HR 10 5 5 10 20
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 95103101 86 81 92104105106 88 84 91104106103
MAX HEAT 99 107 101 86 110 113 105 86 109 112
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 90 70 88 71 90 71 88
TEMP 77 73 87 85 75 72 85 84 75 72 87 86 76 72 85 83
DEWPT 72 72 77 77 73 71 75 75 71 69 75 75 71 69 75 75
PWIND DIR S S E SE SE SW SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 30 20 50 20 20 20 20 10
RAIN SHWRS S C S S C C S S S S S S S S S
TSTMS S C S S C S S S S S S S S S
MOZ052-102100-
LINCOLN MO-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 95 77 94
TEMP 86 93 90 83 80 79 77 87 93 94 93 84 81 79 77 85 91 93 90
DEWPT 74 74 76 73 70 69 69 74 76 75 77 73 71 70 70 75 77 76 77
RH 68 54 64 72 72 72 76 65 58 54 60 70 72 74 79 72 64 58 66
WIND DIR SW SW S S SW SW S SW SW SW SW SW SW SW SW SW W SW SW
WIND SPD 8 6 2 4 4 5 5 6 8 6 3 3 4 4 4 5 5 4 1
WIND GUST 18 17 14 17 18 19 18 17 14 14 17
CLOUDS OV SC B1 SC FW SC FW SC FW FW B1 SC SC FW SC SC SC SC SC
POP 12HR 20 10 10 20 30
QPF 12HR 0.02 0 0 0.00-0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
TSTMS S S
HEAT INDEX 94103103 88 84 95106107107 90 85 93104107103
MAX HEAT 97 107 102 86 109 110 105 90 107 110
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 74 89 71 87 71 90 72 88
TEMP 78 74 86 85 75 72 84 84 75 73 87 87 76 73 86 84
DEWPT 73 72 77 77 73 70 75 75 71 69 75 75 72 70 75 74
PWIND DIR S SE E E SE SW SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC
POP 12HR 50 30 50 20 20 20 20 10
RAIN SHWRS S C C S C C S S S S S S S S S
TSTMS S C C S C S S S S S S S S S S
ILZ058-059-098-099-102100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 76 94 74 92
TEMP 87 92 88 81 79 77 76 86 92 93 91 82 80 77 75 84 89 91 87
DEWPT 74 74 76 73 71 70 70 73 75 76 76 73 72 70 70 74 76 76 76
RH 65 56 68 77 77 79 82 65 58 58 62 74 77 79 84 72 66 62 70
WIND DIR SW SW S S S S S SW SW SW SW SW S SW SW SW W SW NE
WIND SPD 9 8 4 5 5 6 6 9 9 9 4 3 4 4 5 6 6 5 3
CLOUDS B2 B1 B1 SC FW SC FW SC FW SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 10 10 20 40
QPF 12HR 0.01 0 0 0.00-0.53 0.00-0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS C C C C C
TSTMS IS C C S
HEAT INDEX 95102 99 86 93103105103 88 81 91100104 98
MAX HEAT 98 106 101 86 109 111 105 87 107 109
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 87 69 85 69 88 70 87
TEMP 76 73 84 83 73 71 83 82 73 71 86 85 75 72 84 83
DEWPT 73 72 76 75 72 70 74 73 70 68 74 74 71 69 74 73
PWIND DIR SE SE E E SE SW S W
WIND CHAR LT LT LT LT GN LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC
POP 12HR 50 40 60 30 30 20 20 20
RAIN SHWRS C L C S C L C S S C S S S S S
TSTMS S C C S C S S S S C S S S S
ILZ060-064-065-102100-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 76 93 74 91
TEMP 86 91 87 81 79 78 76 85 91 93 90 82 79 76 75 83 88 90 86
DEWPT 75 75 77 73 71 70 70 74 76 76 77 73 71 70 71 75 77 77 76
RH 70 60 72 77 77 76 82 70 62 58 66 74 77 82 87 77 70 66 72
WIND DIR S SW S S S S S SW SW SW SW S SW SW SW SW SW SW NW
WIND SPD 8 8 4 6 6 6 6 9 9 8 4 4 4 4 5 6 6 5 2
WIND GUST 17
CLOUDS B1 B1 SC SC SC B1 FW SC SC FW SC SC SC SC SC SC SC SC SC
POP 12HR 20 10 10 30 30
QPF 12HR 0 0 0 0.00-0.49 0.00-0.17
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS IS C C C C C
TSTMS IS C C C
HEAT INDEX 95102 98 86 81 93104106103 87 80 91100104 97
MAX HEAT 99 106 101 93 109 112 103 93 105 110
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 87 70 84 69 87 71 86
TEMP 76 73 84 82 73 71 82 81 73 71 85 84 75 72 84 82
DEWPT 73 72 77 75 72 70 74 73 70 68 74 75 71 69 75 73
PWIND DIR SE S E E SE S S W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 50 50 60 30 30 20 20 20
RAIN SHWRS C C L C L L C S S C S S S S S
TSTMS S C C C C S S S S S S S S S S
ILZ079-102100-
RANDOLPH IL-
INCLUDING THE CITIES OF CHESTER AND SPARTA
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 76 98 76 97
TEMP 91 95 91 83 80 78 76 87 95 96 93 84 81 78 77 86 93 96 91
DEWPT 75 74 76 74 72 70 70 75 75 75 76 73 72 71 71 75 76 75 76
RH 60 51 62 74 77 76 82 68 53 51 58 70 74 79 82 70 58 51 62
WIND DIR SW S S S S S S SW SW SW SW S SW SW SW SW SW SW S
WIND SPD 8 6 5 8 8 6 5 6 6 6 4 8 6 5 4 6 5 5 3
CLOUDS CL SC FW FW FW SC FW FW FW FW FW SC FW SC SC SC SC SC SC
POP 12HR 5 0 5 10 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S S S
HEAT INDEX 102106103 89 84 96107109106 91 86 96106109102
MAX HEAT 103 109 99 85 110 113 105 88 111 113
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 94 73 91 72 94 73 92
TEMP 79 75 91 89 78 74 89 87 77 74 91 89 78 74 90 87
DEWPT 72 71 76 77 73 71 75 75 72 70 74 74 71 70 74 74
PWIND DIR SW S S E SE SW S W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 SC SC SC SC SC FW FW SC FW SC FW SC SC
POP 12HR 30 20 40 20 20 20 20 20
RAIN SHWRS C S S S C C S S S S S S S S S
TSTMS S S S S S S S S S S S S S
MOZ075-102100-
SAINTE GENEVIEVE MO-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 76 97 76 96
TEMP 92 95 91 82 80 78 76 86 95 96 93 84 81 79 77 85 93 96 90
DEWPT 73 73 74 72 70 69 69 73 73 72 74 72 70 69 70 74 75 74 74
RH 54 49 58 72 72 74 79 65 49 46 54 67 69 72 79 70 56 49 60
WIND DIR SW S S S S SW SW SW SW SW SW S SW SW SW SW SW SW SW
WIND SPD 8 6 4 8 9 8 8 8 6 6 4 6 8 8 6 6 5 5 4
WIND GUST 18
CLOUDS CL FW FW SC FW SC FW FW FW FW FW SC FW FW SC SC SC SC SC
POP 12HR 0 0 0 10 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 101104101 88 83 93104106103 90 85 93105107100
MAX HEAT 103 107 99 85 110 111 103 88 110 113
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 94 74 92 73 94 73 92
TEMP 80 76 91 89 78 75 90 87 77 74 91 89 78 75 90 87
DEWPT 71 70 75 76 72 70 74 74 70 68 72 72 70 68 72 73
PWIND DIR SW SW S SW S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC SC FW FW SC FW FW SC SC SC
POP 12HR 10 20 30 20 20 10 10 20
RAIN SHWRS S S S S C C S S S S S S S
TSTMS S S S S S S S S S S
MOZ059-062-102100-
GASCONADE MO-FRANKLIN MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 97 76 97
TEMP 90 95 91 82 81 79 77 87 94 96 93 83 81 78 77 86 93 96 91
DEWPT 73 72 74 71 69 68 69 73 74 72 75 71 70 69 70 74 75 74 75
RH 58 48 58 69 67 69 76 63 53 46 56 67 69 74 79 68 56 49 60
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW S SW SW SW SW SW
WIND SPD 6 6 3 4 5 5 5 6 6 5 2 3 4 4 4 5 4 4 1
WIND GUST 17 14 17 18 18 18 14 16 14 17 14
CLOUDS B1 FW SC SC FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC
POP 12HR 5 0 5 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 99104101 87 84 94104105105 88 84 94105107102
MAX HEAT 101 107 99 86 110 113 105 85 109 112
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 74 94 73 91 72 93 72 90
TEMP 79 74 90 87 77 73 88 86 77 74 90 88 77 73 88 85
DEWPT 71 71 76 76 72 70 74 75 71 69 73 74 70 69 74 74
PWIND DIR S S SE SE SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 40 20 20 20 20 10
RAIN SHWRS S S S C C S S S S S S S S S
TSTMS S S S C S S S S S S S
MOZ072-073-102100-
CRAWFORD MO-WASHINGTON MO-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 96 77 96
TEMP 91 94 90 82 80 78 77 87 94 95 92 83 80 78 77 87 93 95 90
DEWPT 72 72 72 70 68 68 68 72 72 71 72 70 69 68 70 73 73 72 73
RH 54 49 56 67 67 71 74 61 49 46 52 65 69 71 79 63 52 48 58
WIND DIR SW SW S S S SW SW SW SW SW SW SW SW S SW SW SW SW SW
WIND SPD 6 6 3 4 5 5 5 6 6 5 3 3 4 4 4 6 5 5 3
WIND GUST 17 13 16 19 19 18 18 16 14 16 17 16 18 16 13
CLOUDS CL FW FW SC FW FW FW FW FW FW FW SC SC FW SC SC SC SC SC
POP 12HR 0 0 0 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 99102 97 86 82 94102103 99 87 82 94103105 98
MAX HEAT 101 106 96 85 107 109 99 84 109 110
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 76 94 74 92 73 93 73 91
TEMP 79 76 91 88 78 74 90 86 77 74 91 88 77 74 89 85
DEWPT 69 70 74 74 71 69 73 73 69 68 72 71 69 68 72 72
PWIND DIR SW SW S SW S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC SC SC FW FW FW SC SC SC SC
POP 12HR 10 20 30 20 20 10 10 20
RAIN SHWRS S S C C S S S S S S S S
TSTMS S S S S S S S S S S
ILZ102-MOZ065-102100-
MONROE IL-JEFFERSON MO-
1136 AM CDT MON AUG 10 2026
DATE MON 08/10/26 TUE 08/11/26 WED 08/12/26
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 77 97 77 97
TEMP 92 95 91 83 80 79 77 88 95 97 94 84 81 79 77 87 94 96 91
DEWPT 73 73 75 72 70 69 69 74 75 73 75 72 70 69 70 76 76 75 75
RH 54 49 60 70 72 72 76 63 53 46 54 67 69 72 79 70 56 51 60
WIND DIR SW SW S S S S S SW SW SW SW SW SW SW SW SW W SW SW
WIND SPD 5 5 4 5 6 5 5 5 5 5 3 4 4 5 4 5 4 4 3
WIND GUST 18 18 16 16 14 14 16 14 16
CLOUDS FW SC SC SC SC SC FW SC FW FW FW SC FW FW SC SC SC SC SC
POP 12HR 5 0 5 10 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S S S
HEAT INDEX 101105102 88 83 97107108105 89 85 97107109102
MAX HEAT 105 109 100 86 111 113 105 86 112 113
EXTREME HEAT W W W W W W W W W W W W W W W W W W W
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 75 94 73 91 72 93 73 92
TEMP 79 75 91 88 77 74 88 86 76 74 91 88 77 74 89 86
DEWPT 71 71 77 76 73 70 75 75 71 69 74 74 70 69 74 74
PWIND DIR SW S S SE SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 40 20 20 20 20 10
RAIN SHWRS C S S S C C S S S S S S S S
TSTMS S S S S S S S S S S S
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