834
FOUS53 KDMX 020112
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
812 PM CDT TUE SEP 1 2026
IAZ060-020900-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 76 94 76 92 75
TEMP 82 79 78 76 83 89 92 90 82 81 79 77 83 89 92 89 82 80 78 76
DEWPT 68 66 64 64 69 71 71 73 69 68 68 68 71 73 73 73 70 70 69 69
RH 63 64 62 66 63 56 51 58 65 65 69 74 67 59 54 59 67 72 74 79
WIND DIR S S SW S SW SW SW S S S S S S S S S S S S S
WIND SPD 6 9 9 8 9 10 9 6 9 9 8 5 8 10 10 8 8 6 6 5
CLOUDS CL SC FW FW FW SC FW FW FW CL FW SC SC SC SC FW FW FW FW SC
POP 12HR 5 5 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 95 99 99 88 97101 98
MAX HEAT 91 82 96 103 96 84 98 102 96 83
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 74 93 72 89 70 86 68 87
TEMP 89 93 80 74 90 89 77 73 85 85 75 70 83 82 73 70 83 84
DEWPT 73 73 71 70 72 72 72 71 73 72 70 68 69 67 65 63 66 66
PWIND DIR S SE S SE SE E E SE SE
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS SC SC SC FW SC SC SC FW SC SC SC SC B1 B1 SC SC B1 SC
POP 12HR 10 5 10 20 40 20 10 10 20
RAIN SHWRS S C S S S S
TSTMS S S S S S
IAZ039-020900-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 72 91 73 89 73
TEMP 79 76 73 72 81 87 89 86 78 76 75 73 80 86 88 85 79 77 75 73
DEWPT 73 70 66 65 70 72 72 75 72 70 69 69 72 74 74 75 72 71 70 70
RH 82 82 79 79 69 61 57 70 82 82 82 87 77 68 63 72 79 82 84 90
WIND DIR SE S W SE SW SW SW SW S S S SE S S S S S S S S
WIND SPD 5 5 6 4 8 10 9 5 3 5 4 4 5 8 10 8 8 6 5 4
CLOUDS FW SC SC B1 FW FW FW FW FW FW B1 B1 B1 SC SC FW FW SC SC SC
POP 12HR 10 10 40 30 20
QPF 12HR 0 3.33 0.01 0.09 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C S S C
TSTMS S S C C S S S C
HEAT INDEX 93 96 95 94 98 94
MAX HEAT 91 95 98 91 95 99 92
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 70 89 69 85 66 81 63 81
TEMP 86 86 75 71 86 84 74 70 82 81 71 67 78 77 68 64 78 78
DEWPT 74 76 73 71 75 75 72 70 73 72 68 65 67 66 62 59 66 66
PWIND DIR S SE SE SE E E E SE SE
WIND CHAR LT LT LT LT LT LT GN GN GN
AVG CLOUDS SC SC SC FW SC SC FW SC SC SC SC SC B1 B1 SC B1 B1 SC
POP 12HR 30 10 10 30 40 30 20 20 30
RAIN SHWRS C C C C C S S S C
TSTMS S C S S S
IAZ048-020900-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 74 93 74 92 73
TEMP 79 77 75 74 81 88 91 89 80 78 76 74 81 88 91 89 80 78 76 74
DEWPT 70 67 64 65 69 71 72 74 72 69 68 68 72 73 74 74 72 71 70 69
RH 74 71 69 74 67 57 54 61 77 74 76 82 74 61 58 61 77 79 82 84
WIND DIR S S W S S SW SW SW S S S S S S S S S S S S
WIND SPD 5 6 8 5 8 9 9 4 5 6 5 4 6 9 10 8 8 5 5 4
CLOUDS FW SC B1 FW FW SC FW FW FW FW FW SC B1 SC SC FW FW FW SC SC
POP 12HR 10 10 20 20 5
QPF 12HR 0 0 0 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 94 99 98 96101 98
MAX HEAT 91 96 101 95 97 103 94
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 93 70 89 68 85 66 85
TEMP 88 90 77 72 89 88 75 71 84 84 72 68 81 81 71 67 81 82
DEWPT 73 75 72 70 74 74 73 71 73 72 70 67 69 67 65 62 66 67
PWIND DIR S SE S SE SE E E SE SE
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1
POP 12HR 20 5 10 20 40 20 20 20 20
RAIN SHWRS S S S C S S S S S
TSTMS S S S S S S S
IAZ004-020900-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 66 86 68 87 70
TEMP 75 72 68 66 74 82 85 83 73 71 70 68 77 84 87 85 76 75 72 71
DEWPT 71 69 66 65 68 69 71 72 70 68 67 66 69 71 72 73 71 68 67 67
RH 87 90 93 97 82 65 63 70 90 90 90 93 76 65 61 67 85 79 84 87
WIND DIR E NE E E S W NW NE E SE SE SE S S S S S S S S
WIND SPD 5 6 6 4 4 4 4 4 4 4 6 8 11 12 12 9 9 9 9 10
CLOUDS SC B2 B1 SC SC FW SC FW SC SC B1 B2 SC FW CL CL FW FW SC SC
POP 12HR 60 10 70 30 50
QPF 12HR 0.20 1.26 0.13 0.10 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C S L C C C C S
TSTMS C C C S C C C S C S
HEAT INDEX 90 88 89 94 91
MAX HEAT 83 86 92 84 90 94 87
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 87 69 88 68 84 64 81 63 81
TEMP 84 85 73 69 85 84 72 68 82 81 69 65 78 78 67 64 78 78
DEWPT 71 73 70 68 72 73 70 68 71 70 65 63 66 66 61 59 65 66
PWIND DIR S S S SE E E SE SE S
WIND CHAR GN LT LT LT GN GN GN GN BZ
AVG CLOUDS SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B1
POP 12HR 20 10 20 40 30 20 20 30 40
RAIN SHWRS S S S S C C S S S S C C
TSTMS S S S C S S S
IAZ035-020900-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 71 91 71 91 72
TEMP 79 76 73 71 78 86 89 87 77 75 73 71 78 87 90 87 79 77 74 73
DEWPT 74 70 64 64 69 70 71 73 72 69 68 67 71 73 74 74 72 69 68 68
RH 85 82 73 79 74 59 56 63 85 82 84 87 79 63 60 65 79 76 82 84
WIND DIR SE SE NE SE SW SW SW S SE S SE E S S S S S S S S
WIND SPD 6 5 6 4 5 6 5 2 3 3 4 4 8 10 9 6 6 6 6 4
CLOUDS SC B2 B2 B1 SC FW FW FW SC SC B2 B2 B1 FW FW FW FW SC SC B1
POP 12HR 20 20 50 50 20
QPF 12HR 0 10.00 0.06 0.05 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C C C C S S C
TSTMS S S S S C C C C S S C
HEAT INDEX 95 95 93 98 96
MAX HEAT 91 91 98 92 94 99 93
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 70 92 68 88 66 84 64 84
TEMP 87 87 74 71 87 86 74 69 83 83 70 66 80 79 69 66 81 80
DEWPT 73 74 71 69 74 74 71 69 73 72 67 65 68 67 63 61 67 67
PWIND DIR S SE S SE SE E SE SE SE
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS B1 SC SC SC B1 SC SC SC B1 SC SC SC B2 B1 SC B1 B2 B1
POP 12HR 40 5 20 40 40 20 30 20 30
RAIN SHWRS C S S C C C S S S C S S C
TSTMS C S S C S S S S
IAZ094-020900-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 75 93 77 92 75
TEMP 81 78 76 75 83 90 93 89 83 81 79 77 84 89 92 89 82 80 77 76
DEWPT 66 65 63 64 68 69 68 68 67 67 67 67 70 71 70 69 69 69 68 68
RH 60 64 64 69 61 50 44 50 59 63 67 71 63 56 49 52 65 69 74 76
WIND DIR S S SW S SW SW SW S S S S S SW S S S S S S S
WIND SPD 6 8 8 8 11 12 11 8 8 8 8 8 10 11 11 8 8 6 6 6
CLOUDS FW SC SC FW FW FW FW CL FW SC CL FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 95 95 98 94
MAX HEAT 88 96 99 92 82 96 100 93
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 74 93 72 90 70 87 69 88
TEMP 89 92 80 75 90 89 77 73 87 86 75 70 84 83 74 70 85 84
DEWPT 71 69 69 68 69 68 70 69 70 70 70 67 68 66 65 63 65 64
PWIND DIR S S SW SE SE E SE SE S
WIND CHAR GN LT LT LT LT LT LT GN GN
AVG CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC B1 SC
POP 12HR 5 5 10 10 30 20 20 10 20
RAIN SHWRS C S S S S
TSTMS S S S
IAZ017-020900-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 68 87 69 87 70
TEMP 76 73 69 68 77 82 85 83 74 72 71 70 77 83 86 83 76 75 72 71
DEWPT 73 71 67 66 70 70 71 73 71 69 68 68 71 73 73 74 72 70 68 69
RH 90 93 93 93 79 67 63 72 90 90 90 93 82 72 65 74 87 84 87 93
WIND DIR E E NE SE SW SW SW W E SE SE SE S S S S S S S S
WIND SPD 4 5 5 5 6 6 4 3 3 3 4 4 6 9 10 8 8 6 6 5
CLOUDS SC B2 B2 SC SC SC FW FW FW B1 B2 B2 B1 FW FW FW FW SC B1 B1
POP 12HR 50 30 60 50 50
QPF 12HR 0.05 10.00 0.06 0.10 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C S L C C C C C C
TSTMS S C C S S C C C S C C C
HEAT INDEX 90 89 89 93 90
MAX HEAT 84 86 92 86 89 94 86
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 87 68 88 67 84 64 79 61 80
TEMP 84 86 73 69 84 83 72 68 80 79 69 64 77 76 66 63 76 76
DEWPT 73 75 71 69 73 74 71 68 72 71 66 64 66 66 61 59 65 66
PWIND DIR S SE SE SE SE E SE SE S
WIND CHAR LT LT LT LT LT LT GN GN GN
AVG CLOUDS B1 SC SC FW SC SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1
POP 12HR 40 10 10 30 40 20 30 30 30
RAIN SHWRS C S C C S S S C C C
TSTMS C S C S S
IAZ049-020900-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 72 92 73 91 72
TEMP 79 76 73 72 81 88 91 87 78 76 75 73 81 87 90 87 78 76 74 73
DEWPT 70 67 63 63 69 71 72 73 71 68 67 67 71 73 73 73 71 70 68 68
RH 74 74 71 73 67 57 54 63 79 76 76 81 72 63 58 63 79 82 82 84
WIND DIR S S W S S SW SW SW S S SW S S S S S S S S S
WIND SPD 6 6 8 5 6 10 9 4 5 5 5 3 5 8 9 6 8 5 5 5
CLOUDS CL SC SC SC FW SC FW FW CL FW FW SC B1 SC SC FW FW FW FW SC
POP 12HR 10 10 20 20 10
QPF 12HR 0 0 0 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 94 99 94 94 98 94
MAX HEAT 90 95 101 89 97 101 90
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 70 92 69 88 66 83 63 84
TEMP 87 88 75 71 88 85 73 69 83 82 71 67 79 78 68 65 80 79
DEWPT 73 74 71 70 73 74 72 69 72 71 68 65 67 65 63 60 65 65
PWIND DIR S SE SE SE SE E SE SE SE
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS SC SC FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC B1 SC
POP 12HR 20 10 10 20 40 30 20 20 20
RAIN SHWRS S S C S C S S S S
TSTMS S S S S S S
IAZ086-020900-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
812 PM CDT TUE SEP 1 2026
DATE 09/01/26 WED 09/02/26 THU 09/03/26 FRI
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 76 94 78 93 76
TEMP 80 78 77 76 83 89 92 89 82 80 79 78 84 90 92 89 81 79 78 76
DEWPT 68 67 66 66 72 73 73 73 70 69 69 69 73 74 73 74 72 71 70 70
RH 67 69 69 71 70 59 54 59 67 69 72 74 70 60 54 61 74 77 76 82
WIND DIR S S S SW SW SW SW SW S S S S SW SW S S S S S S
WIND SPD 5 6 8 8 9 11 9 6 8 6 6 5 8 8 8 6 5 5 5 5
CLOUDS CL CL FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 89 97101 97 90 98101 98
MAX HEAT 89 100 103 94 83 99 102 95
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/04 SAT 09/05/26 SUN 09/06/26 MON 09/07/26 TUE 09/08/26
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 74 93 72 89 70 85 67 86
TEMP 89 92 78 74 89 88 75 73 84 85 73 70 82 82 71 69 82 83
DEWPT 74 74 73 72 73 73 74 73 73 72 71 69 70 69 65 63 67 67
PWIND DIR SW S SW SE E E E SE SE
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS FW SC FW SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1
POP 12HR 10 5 20 20 30 20 20 10 20
RAIN SHWRS S S C S S S S S
TSTMS S S S
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