539  
FOUS53 KLSX 132256  
AFMLSX  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAINT LOUIS MO  
556 PM CDT SUN SEP 13 2026  
 
ILZ100-101-MOZ061-063-064-140900-  
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  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 86 73 98 72  
TEMP 80 72 68 66 64 71 81 85 83 77 75 73 73 86 95 96 88 79 76 74 72  
DEWPT 61 57 56 55 54 56 62 66 68 69 69 69 69 72 72 72 73 74 73 72 71  
RH 52 59 65 68 70 59 53 53 61 76 82 87 87 63 48 46 61 85 90 93 97  
WIND DIR N NE NE E E E SE SE SE SE SE S S S SW SW SW SE SE E E  
WIND SPD 6 5 5 8 9 9 10 10 10 10 9 8 6 9 9 5 4 3 2 2 2  
CLOUDS SC FW SC B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC  
POP 12HR 20 20 0 30 40  
QPF 12HR 0 0 0 0.00-0.12 0.00-0.20  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C S S S  
TSTMS C C C C S S S  
HEAT INDEX 81 82 87 86 92105104 96 82  
MAX HEAT 88 81 84 92 88 109 109 96  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 95 73 94 71 91 69 89 67 84  
TEMP 92 88 77 74 91 87 76 72 88 85 74 70 86 83 71 67 82 78  
DEWPT 73 72 71 69 72 72 71 68 70 69 67 65 67 67 65 63 66 65  
PWIND DIR S S W NE E SE SW SW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW SC FW SC SC SC SC SC FW SC FW SC SC SC SC B1 B1  
POP 12HR 10 5 20 10 20 20 20 20 20  
RAIN SHWRS S S S S S S S S S S S  
TSTMS S S S S S S  
 
 
 
MOZ042-049-050-140900-  
AUDRAIN MO-OSAGE MO-CALLAWAY MO-  
INCLUDING THE CITIES OF MEXICO AND FULTON  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 73 93 68  
TEMP 76 68 65 63 62 68 79 85 82 78 76 74 73 83 91 91 82 74 72 69 68  
DEWPT 61 58 57 56 56 61 67 71 71 71 71 70 69 72 73 73 75 73 71 69 68  
RH 60 70 75 78 81 78 67 63 69 79 85 87 87 70 56 56 79 97 97100100  
WIND DIR NE NE E E E SE SE SE SE S S S S SW SW W E E NE NE E  
WIND SPD 5 5 5 8 9 10 10 10 10 11 9 9 8 9 8 4 3 3 3 3 3  
WIND GUST 20 21 23 23 21 24 21 21 20 19 14  
CLOUDS SC FW B1 B1 SC B1 FW FW FW FW FW FW FW FW FW SC SC B1 SC B1 B1  
POP 12HR 20 30 5 40 50  
QPF 12HR 0.01 0.00-0.07 0 0.00-0.08 0.05-0.36  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C C  
TSTMS C C C C C C C  
HEAT INDEX 80 90 86 89 99 99 89  
MAX HEAT 85 91 98 91 83 105 106 92  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 90 71 88 68 87 67 83 64 79  
TEMP 87 84 74 72 86 82 72 69 84 80 71 67 81 77 68 64 76 73  
DEWPT 73 75 71 68 73 74 71 68 71 71 67 64 68 68 65 62 67 66  
PWIND DIR S S W E SE SE SW NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC FW SC SC SC SC SC SC SC SC SC FW SC SC B1 B1  
POP 12HR 20 10 30 10 20 20 30 30 20  
RAIN SHWRS C S C S S S S S S C S C C S  
TSTMS C S S S S S  
 
 
 
MOZ041-047-048-140900-  
BOONE MO-MONITEAU MO-COLE MO-  
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 89 75 94 70  
TEMP 76 69 67 65 64 70 81 88 85 80 78 77 75 84 91 92 84 76 73 71 70  
DEWPT 63 60 58 57 58 63 70 72 72 72 71 70 69 72 73 73 75 74 72 70 69  
RH 64 73 73 75 81 78 69 59 65 77 79 79 82 67 56 54 74 94 97 97 97  
WIND DIR NE NE E E E SE SE SE SE S S S S SW SW W E E NE NE E  
WIND SPD 5 5 4 6 8 8 9 9 8 9 8 6 6 6 6 4 2 3 3 3 3  
WIND GUST 14 17 19 21 23 21 21 23 20 21 20 18 14  
CLOUDS SC FW SC SC B1 B1 FW FW FW FW FW FW FW FW FW SC SC B1 SC B1 B1  
POP 12HR 20 30 5 40 50  
QPF 12HR 0.01 0.00-0.07 0 0.00-0.08 0.06-0.35  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C C  
TSTMS C C C C C C C  
HEAT INDEX 84 95 92 84 90100101 92  
MAX HEAT 85 93 102 93 85 105 106 92  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 91 72 90 70 88 68 84 65 80  
TEMP 88 85 75 73 87 84 73 71 85 82 72 69 82 78 69 66 77 74  
DEWPT 74 74 71 69 73 74 71 68 71 71 68 65 69 69 66 63 67 67  
PWIND DIR S S W E SE SE SW NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1  
POP 12HR 30 10 20 10 20 20 30 30 30  
RAIN SHWRS C S S S S S S S C C S C C S  
TSTMS C S S S S S S  
 
 
 
ILZ095>097-MOZ018-019-026-027-034>036-140900-  
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  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 60 82 73 89 66  
TEMP 73 66 62 61 60 65 73 80 79 76 75 74 73 82 88 87 80 72 69 67 66  
DEWPT 57 56 55 54 54 57 62 67 69 69 70 71 70 73 73 74 74 71 69 67 66  
RH 57 70 78 78 81 75 68 65 72 79 84 90 90 74 61 65 82 97100100100  
WIND DIR NE NE NE E E SE SE SE SE S S S S SW W W N NE NE NE NE  
WIND SPD 5 4 5 8 9 10 12 12 11 13 11 11 9 6 8 5 5 5 4 4 4  
WIND GUST 14 16 19 21 23 24 25 24 27 26 26 23 19 16 16 14  
CLOUDS B1 B1 B2 B2 B2 B2 SC FW FW FW FW FW SC SC SC SC B1 B1 B1 B2 B2  
POP 12HR 30 30 10 40 60  
QPF 12HR 0.00-0.09 0.00-0.14 0 0.00-0.11 0.16-0.88  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C S S C C L L L L L  
TSTMS S S C C L L L L L  
HEAT INDEX 81 81 86 96 94 83  
MAX HEAT 81 88 85 84 105 106 93  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 85 70 84 68 83 67 82 64 76  
TEMP 81 80 72 71 82 80 71 68 80 78 70 67 79 76 68 64 74 72  
DEWPT 74 75 71 69 74 75 71 68 71 71 67 65 69 69 65 62 66 66  
PWIND DIR E SE NW NE SE SE SW NW NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 SC SC SC B1 B1 SC SC B1 SC SC SC SC SC SC B1 B1 B1  
POP 12HR 60 40 50 10 30 30 30 30 30  
RAIN SHWRS L C C C C S S C S S C C C C C S C  
TSTMS L C C S S S S S S S S  
 
 
 
ILZ069-070-074-140900-  
CLINTON IL-MARION IL-WASHINGTON IL-  
INCLUDING THE CITIES OF CENTRALIA AND SALEM  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 86 70 98 72  
TEMP 82 73 69 66 63 71 81 85 82 74 72 70 70 86 96 96 89 79 76 73 73  
DEWPT 63 59 57 55 53 55 59 63 65 66 66 67 68 72 71 71 72 73 72 72 71  
RH 53 62 66 68 70 57 47 48 56 76 81 90 93 63 45 45 57 82 87 97 93  
WIND DIR N NE NE NE E E E SE SE SE SE SE S S SW SW SW SE SE S SE  
WIND SPD 6 5 4 9 9 9 9 9 8 8 6 6 4 9 10 8 3 2 1 1 1  
WIND GUST 19  
CLOUDS SC FW FW SC SC FW FW FW FW CL CL FW CL CL FW FW FW FW SC SC SC  
POP 12HR 10 5 0 20 20  
QPF 12HR 0 0 0 0.01 0.00-0.06  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S  
TSTMS S S S S S  
HEAT INDEX 83 82 86 84 92104103 96 81  
MAX HEAT 90 82 85 91 86 107 109 97 85  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 96 73 95 70 92 68 90 66 86  
TEMP 94 88 76 74 93 88 75 71 89 85 73 69 87 83 71 67 83 80  
DEWPT 71 70 71 70 70 71 71 69 69 68 67 66 66 66 65 64 65 64  
PWIND DIR S S W NE E SE SW SW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW SC FW FW SC SC SC SC FW SC FW SC FW SC SC B1 SC  
POP 12HR 20 5 20 10 10 10 20 20 30  
RAIN SHWRS S S S S S S S S S C  
TSTMS S S S S S  
 
 
 
MOZ074-084-085-099-140900-  
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-  
INCLUDING THE CITY OF FARMINGTON  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 89 69 95 70  
TEMP 83 73 69 66 64 73 83 88 82 76 73 71 69 84 93 93 86 78 75 72 71  
DEWPT 70 67 63 61 60 65 70 72 72 72 70 69 68 72 72 72 72 71 69 69 68  
RH 65 81 81 84 87 76 65 59 72 87 90 93 97 67 51 51 63 79 82 90 90  
WIND DIR NE NE NE NE E E SE SE SE SE SE S S S SW S S S SE S S  
WIND SPD 2 3 2 3 3 4 4 4 3 4 3 3 2 3 5 4 2 1 1 0 1  
WIND GUST 13 13 16 17 14 14 16 16 18 17 17 14 16 17 16  
CLOUDS SC FW FW SC FW FW FW CL CL FW FW CL FW CL FW FW FW FW FW FW FW  
POP 12HR 10 5 0 10 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS  
HEAT INDEX 87 88 95 88 89101101 92  
MAX HEAT 98 87 95 102 89 106 106 93  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 94 70 94 68 91 66 89 65 85  
TEMP 93 86 75 72 91 85 73 69 89 83 72 67 86 81 70 65 82 78  
DEWPT 71 71 69 67 70 71 69 66 68 69 66 64 67 67 65 63 66 66  
PWIND DIR S S W NE E SE SW SW W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW FW FW FW FW SC SC SC FW SC FW SC SC SC SC B1 B1  
POP 12HR 10 0 20 10 20 10 20 20 30  
RAIN SHWRS S S S S S S C  
TSTMS S S S  
 
 
 
MOZ051-052-060-140900-  
MONTGOMERY MO-LINCOLN MO-WARREN MO-  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 85 72 95 68  
TEMP 77 68 64 63 62 68 78 84 82 77 75 73 72 84 93 93 84 75 72 70 68  
DEWPT 59 57 56 55 55 58 64 69 69 71 71 71 69 73 73 73 75 74 72 70 68  
RH 54 68 75 75 78 70 62 61 65 82 87 93 90 70 52 52 74 97100100100  
WIND DIR NE NE NE E E SE SE SE SE SE S S S SW SW SW SE E NE NE NE  
WIND SPD 4 4 4 5 6 8 9 9 8 9 6 6 5 6 6 3 1 1 1 2 2  
WIND GUST 16 18 20 20 21 20 23 20 19 19 18  
CLOUDS SC FW B1 B1 SC SC FW FW FW CL FW FW FW FW FW SC SC SC SC SC B1  
POP 12HR 20 30 5 40 50  
QPF 12HR 0 0.01 0 0.00-0.11 0.08-0.25  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C S  
TSTMS C C C C C C S  
HEAT INDEX 87 85 90102102 92  
MAX HEAT 87 82 94 87 107 109 92  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 91 71 90 68 88 66 85 64 80  
TEMP 88 85 75 72 88 84 73 69 85 82 71 67 83 79 69 64 78 75  
DEWPT 74 74 71 69 74 74 71 68 71 70 67 64 69 68 66 63 67 65  
PWIND DIR S S W E SE SE SW W N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC FW SC SC SC SC B1 B1  
POP 12HR 20 10 30 10 20 20 30 30 20  
RAIN SHWRS S S C S S S S S S C S C S S  
TSTMS S S S S S S S  
 
 
 
ILZ058-059-098-099-140900-  
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 60 84 71 96 68  
TEMP 77 67 63 61 60 69 79 83 81 74 72 71 71 85 94 94 85 76 72 70 69  
DEWPT 55 54 54 53 52 54 57 62 64 66 67 68 69 71 71 71 73 73 71 70 69  
RH 47 63 72 75 75 59 47 49 56 76 84 90 93 63 47 47 67 90 97100100  
WIND DIR NE NE NE E E SE SE SE SE SE S S S S SW SW S E NE NE NE  
WIND SPD 6 5 5 8 9 10 10 11 11 12 10 10 9 9 9 5 3 3 3 3 3  
WIND GUST 21 23 20 20 20  
CLOUDS SC SC B1 B1 B1 SC SC FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1  
POP 12HR 20 20 5 40 50  
QPF 12HR 0 0 0 0.02-0.17 0.13-0.25  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C C S  
TSTMS C C C C C C S  
HEAT INDEX 84 83 90102101 92  
MAX HEAT 84 82 88 88 106 106 94  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 92 71 91 68 88 67 88 64 82  
TEMP 89 86 75 72 88 84 73 69 86 82 71 67 85 81 69 64 80 76  
DEWPT 72 72 70 69 72 72 70 68 69 68 66 64 66 66 64 62 64 63  
PWIND DIR S S NW NE E SE SW W N  
WIND CHAR LT 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 B1 B1  
POP 12HR 20 20 30 10 20 20 20 30 20  
RAIN SHWRS S S C S S S S S S S S C S S  
TSTMS S S S S S S S S  
 
 
 
ILZ060-064-065-140900-  
MONTGOMERY IL-BOND IL-FAYETTE IL-  
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 60 84 69 97 70  
TEMP 79 68 65 62 60 69 80 83 80 73 70 69 69 85 95 95 87 77 74 72 71  
DEWPT 57 54 54 52 51 53 55 59 61 63 64 65 66 71 70 70 72 73 72 71 70  
RH 47 61 68 70 72 57 42 44 52 71 81 87 90 63 45 45 61 87 93 97 97  
WIND DIR N NE NE NE E E SE SE SE SE SE S S S SW SW W SE SE E E  
WIND SPD 8 4 5 8 9 10 9 10 9 9 8 8 6 9 10 6 3 2 1 2 2  
WIND GUST 19 18 18 18  
CLOUDS SC SC SC SC SC FW FW FW FW CL FW FW FW FW FW FW SC SC SC SC SC  
POP 12HR 20 10 5 40 50  
QPF 12HR 0 0 0 0.00-0.15 0.00-0.22  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C S  
TSTMS C C C C C C S  
HEAT INDEX 80 83 81 90102102 93  
MAX HEAT 87 81 87 85 106 106 95 86  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 94 72 93 68 90 67 88 65 84  
TEMP 92 87 75 73 91 86 73 69 88 84 71 67 86 82 69 65 82 78  
DEWPT 71 71 70 69 70 71 70 67 68 67 65 65 65 65 64 62 64 63  
PWIND DIR S S W NE E SE SW SW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW FW FW SC SC SC SC SC FW FW FW SC SC SC SC B1 SC  
POP 12HR 20 10 20 10 10 20 20 20 30  
RAIN SHWRS S S S S S S S S S C  
TSTMS S S S S S S  
 
 
 
ILZ079-MOZ075-140900-  
RANDOLPH IL-SAINTE GENEVIEVE MO-  
INCLUDING THE CITIES OF CHESTER AND SPARTA  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 88 70 97 71  
TEMP 83 74 70 66 64 71 82 87 83 76 73 71 70 84 95 95 89 80 76 73 72  
DEWPT 68 64 61 58 56 60 66 71 71 71 70 70 69 73 73 72 72 72 71 71 70  
RH 61 71 73 75 75 68 58 59 67 85 90 97 97 70 49 48 57 77 85 93 93  
WIND DIR N NE NE NE E E SE SE SE SE SE S S S SW S S SE SE S S  
WIND SPD 4 4 3 5 6 6 6 8 6 8 5 5 5 6 9 8 3 3 2 2 2  
WIND GUST 17 16 16  
CLOUDS SC FW FW FW FW FW FW FW CL CL FW FW CL CL FW FW FW FW FW FW FW  
POP 12HR 5 5 0 10 10  
QPF 12HR 0 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 86 84 93 88 91104104 96 82  
MAX HEAT 93 85 87 96 88 109 109 95  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 95 72 94 69 92 67 90 66 85  
TEMP 93 88 77 73 92 88 75 70 89 85 73 68 87 83 71 66 83 80  
DEWPT 72 71 70 68 71 72 70 68 70 70 67 65 68 67 65 63 67 66  
PWIND DIR S S W NE E SE SW SW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC FW FW SC SC SC SC FW SC FW FW SC SC SC B1 B1  
POP 12HR 10 0 20 10 10 10 20 30 30  
RAIN SHWRS S S S C S C C  
TSTMS S S S  
 
 
 
MOZ059-062-072-073-140900-  
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-  
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 88 72 96 70  
TEMP 80 70 66 64 62 71 82 87 83 77 74 73 72 86 95 93 85 77 74 72 71  
DEWPT 66 61 59 57 57 63 69 72 72 72 70 69 68 73 72 73 74 73 71 69 68  
RH 62 73 78 78 84 76 65 61 70 85 87 87 87 65 48 52 70 87 90 90 90  
WIND DIR NE NE E E E SE SE SE SE SE S S S SW SW SW S SE SE SE SE  
WIND SPD 3 3 2 3 5 5 6 6 5 6 5 5 5 6 5 3 2 1 1 1 2  
WIND GUST 13 12 14 17 17 17 18 17 17 17 18 17 14  
CLOUDS SC FW SC SC FW FW FW FW CL FW FW FW FW CL FW SC SC SC SC SC SC  
POP 12HR 10 20 0 30 30  
QPF 12HR 0 0 0 0.00-0.07 0.00-0.16  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C  
TSTMS C C C C  
HEAT INDEX 81 85 93 88 93103102 92  
MAX HEAT 92 92 97 89 107 109 92  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 93 71 93 69 90 67 87 65 82  
TEMP 92 86 76 72 90 84 73 69 88 82 72 67 85 80 70 65 80 76  
DEWPT 73 73 69 67 72 73 70 67 70 70 66 63 68 67 65 62 67 66  
PWIND DIR S S W E SE SE SW SW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW SC FW FW SC SC SC SC SC SC FW SC SC SC SC B1 B1  
POP 12HR 20 5 20 10 20 10 30 30 30  
RAIN SHWRS S S S S S S C S S S C  
TSTMS S S S S S S  
 
 
 
ILZ102-MOZ065-140900-  
MONROE IL-JEFFERSON MO-  
556 PM CDT SUN SEP 13 2026  
 
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED  
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 71 97 70  
TEMP 80 72 68 65 63 71 81 86 83 77 73 72 71 87 96 95 88 79 75 73 71  
DEWPT 65 60 58 56 55 60 66 71 71 71 70 70 69 74 73 73 74 73 72 71 70  
RH 60 66 70 73 75 68 60 61 67 82 90 93 93 65 48 49 63 82 90 93 97  
WIND DIR N NE NE NE E E SE SE SE SE SE S S S SW S SW SE SE SE SE  
WIND SPD 4 4 3 4 5 6 6 6 6 6 5 5 4 5 6 4 3 2 1 1 1  
WIND GUST 14 17 16 16 14  
CLOUDS SC FW SC SC FW FW FW FW FW FW FW FW FW CL FW FW SC SC SC SC SC  
POP 12HR 10 10 0 20 20  
QPF 12HR 0 0 0 0 0.00-0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S  
TSTMS S S S S  
HEAT INDEX 82 84 92 88 94106105 97 80  
MAX HEAT 92 87 95 88 109 109 95  
 
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 95 72 95 69 92 67 89 65 84  
TEMP 94 88 77 73 92 88 75 70 89 85 73 68 87 83 70 66 82 78  
DEWPT 73 72 70 68 72 73 71 68 71 70 67 64 68 68 65 63 68 66  
PWIND DIR S S W NE E SE SW SW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC FW FW SC SC SC SC FW SC FW SC SC SC SC B1 B1  
POP 12HR 10 5 20 10 20 10 20 30 30  
RAIN SHWRS S S S S S C S C S  
TSTMS S S S S  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MO Page
The Nexlab IL Page
Main Text Page