706
FOUS53 KDMX 011828
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
127 PM CDT TUE SEP 1 2026
IAZ060-012100-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 75 94 76 92
TEMP 95 90 81 80 78 76 83 89 92 90 82 81 79 77 83 89 92 89
DEWPT 69 69 68 64 64 64 69 71 71 73 69 68 68 68 71 73 73 73
RH 43 50 65 58 62 66 63 56 51 58 65 65 69 74 67 59 54 59
WIND DIR S S S S SW S SW SW SW S S S S S S S S S
WIND SPD 8 6 9 9 9 8 9 10 9 6 9 9 8 5 8 10 10 8
CLOUDS FW CL CL SC FW FW FW SC FW FW FW CL FW SC SC SC SC FW
POP 12HR 10 0 5 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 101 95 95 99 99 88 97101 98
MAX HEAT 101 101 91 83 96 103 96 84 98 102
HEAT Y Y Y Y Y Y Y Y Y
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 93 74 93 72 89 70 86
TEMP 80 76 89 93 80 74 90 89 77 73 85 85 75 70 83 82
DEWPT 70 69 73 73 71 70 72 72 72 71 73 72 70 68 69 67
PWIND DIR S S SE S SE SE E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC FW SC SC SC FW SC SC SC SC B1 B1
POP 12HR 5 10 5 10 20 40 20 10
RAIN SHWRS S C S S S
TSTMS S S S S
IAZ039-012100-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 72 91 73 89
TEMP 90 86 76 75 73 72 81 87 89 86 78 76 75 73 80 86 88 85
DEWPT 74 75 73 70 66 65 70 72 72 75 72 70 69 69 72 74 74 75
RH 60 70 90 84 79 79 69 61 57 70 82 82 82 87 77 68 63 72
WIND DIR S SE SE S W SE SW SW SW SW S S S SE S S S S
WIND SPD 5 3 4 5 6 4 8 10 9 5 3 5 4 4 5 8 10 8
CLOUDS B1 FW FW SC SC B1 FW FW FW FW FW FW B1 B1 B1 SC SC FW
POP 12HR 30 5 10 40 30
QPF 12HR 0 0 0 0.01 0.09
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C
TSTMS C C S
HEAT INDEX 100 95 93 96 95 94 98 94
MAX HEAT 102 101 91 95 98 91 95 99
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 89 69 85 66 81
TEMP 77 73 86 86 75 71 86 84 74 70 82 81 71 67 78 77
DEWPT 71 70 74 76 73 71 75 75 72 70 73 72 68 65 67 66
PWIND DIR S S SE SE SE E E E
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC SC SC SC FW SC SC FW SC SC SC SC SC B1 B1
POP 12HR 20 30 10 10 30 40 30 20
RAIN SHWRS S C C C C C S S
TSTMS S S C S
IAZ048-012100-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 73 93 74 92
TEMP 92 88 77 76 75 74 81 88 91 89 80 78 76 74 81 88 91 89
DEWPT 72 74 72 67 64 65 69 71 72 74 72 69 68 68 72 73 74 74
RH 52 63 85 74 69 74 67 57 54 61 77 74 76 82 74 61 58 61
WIND DIR S S S S W S S SW SW SW S S S S S S S S
WIND SPD 6 4 5 6 8 5 8 9 9 4 5 6 5 4 6 9 10 8
CLOUDS FW CL FW SC B1 FW FW SC FW FW FW FW FW SC B1 SC SC FW
POP 12HR 10 5 5 20 20
QPF 12HR 0 0 0 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 100 96 94 99 98 96101 98
MAX HEAT 101 102 91 96 101 95 97 103
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 92 71 93 70 89 68 85
TEMP 78 74 88 90 77 72 89 88 75 71 84 84 72 68 81 81
DEWPT 71 69 73 75 72 70 74 74 73 71 73 72 70 67 69 67
PWIND DIR S S SE S SE SE E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 20 5 10 20 40 20 20
RAIN SHWRS S S S C S S S
TSTMS S S S S S
IAZ004-012100-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 66 86 68 87
TEMP 88 84 74 71 68 66 74 82 85 83 73 71 70 68 77 84 87 85
DEWPT 68 69 70 68 66 65 68 69 71 72 70 68 67 66 69 71 72 73
RH 52 61 87 90 93 97 82 65 63 70 90 90 90 93 76 65 61 67
WIND DIR E E E N E E S W NW NE E SE SE SE S S S S
WIND SPD 5 4 5 8 6 4 4 4 4 4 4 4 6 8 11 12 12 9
CLOUDS B2 B1 SC B2 B1 SC SC FW SC FW SC SC B1 B2 FW FW CL CL
POP 12HR 10 70 10 70 30
QPF 12HR 0 0.21 0 0.13 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C S L C C
TSTMS S C C S C C C
HEAT INDEX 90 88 89 94 91
MAX HEAT 91 93 85 86 92 84 90 94
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 70 87 69 88 68 84 64 81
TEMP 75 71 84 85 73 69 85 84 72 68 82 81 69 65 78 78
DEWPT 68 67 71 73 70 68 72 73 70 68 71 70 65 63 66 66
PWIND DIR S S S S SE E E SE
WIND CHAR GN GN LT LT LT GN GN GN
AVG CLOUDS FW SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1
POP 12HR 50 20 10 20 40 30 20 20
RAIN SHWRS C S S S S C C S S S S
TSTMS C S S S C S
IAZ035-012100-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 71 91 71 91
TEMP 91 87 77 75 73 71 78 86 89 87 77 75 73 71 78 87 90 87
DEWPT 73 75 72 68 64 64 69 70 71 73 72 69 68 67 71 73 74 74
RH 56 68 85 79 73 79 74 59 56 63 85 82 84 87 79 63 60 65
WIND DIR SE SE SE S NE SE SW SW SW S SE S SE E S S S S
WIND SPD 6 4 5 5 6 4 5 6 5 2 3 3 4 4 8 10 9 6
CLOUDS B1 FW SC B2 B2 B1 SC FW FW FW SC SC B2 B2 SC FW FW FW
POP 12HR 20 10 10 50 50
QPF 12HR 0 0 0 0.06 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS C C C C
HEAT INDEX 100 96 95 95 93 98 96
MAX HEAT 102 101 91 91 98 92 94 99
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 91 70 92 68 88 66 84
TEMP 77 73 87 87 74 71 87 86 74 69 83 83 70 66 80 79
DEWPT 69 68 73 74 71 69 74 74 71 69 73 72 67 65 68 67
PWIND DIR S S SE S SE SE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B2 B1
POP 12HR 20 40 5 20 40 40 20 30
RAIN SHWRS S C S S C C C S S S C
TSTMS S C S S C S
IAZ094-012100-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 74 93 77 92
TEMP 94 89 80 79 76 75 83 90 93 89 83 81 79 77 84 89 92 89
DEWPT 68 68 64 63 63 64 68 69 68 68 67 67 67 67 70 71 70 69
RH 43 50 58 58 64 69 61 50 44 50 59 63 67 71 63 56 49 52
WIND DIR S S S S SW S SW SW SW S S S S S SW S S S
WIND SPD 10 5 8 8 8 8 11 12 11 8 8 8 8 8 10 11 11 8
WIND GUST 16
CLOUDS CL CL FW SC SC FW FW FW FW CL FW SC CL FW FW FW FW FW
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 99 94 95 95 98 94
MAX HEAT 97 100 90 96 99 92 82 96 100
HEAT Y Y Y Y Y Y Y Y Y
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 92 74 93 72 90 70 87
TEMP 80 76 89 92 80 75 90 89 77 73 87 86 75 70 84 83
DEWPT 69 68 71 69 69 68 69 68 70 69 70 70 70 67 68 66
PWIND DIR S S S SW SE SE E SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 SC
POP 12HR 0 5 5 10 10 30 20 20
RAIN SHWRS C S S S
TSTMS S S
IAZ017-012100-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 87 69 87
TEMP 87 84 73 72 69 68 77 82 85 83 74 72 71 70 77 83 86 83
DEWPT 71 73 72 70 67 66 70 70 71 73 71 69 68 68 71 73 73 74
RH 59 70 97 93 93 93 79 67 63 72 90 90 90 93 82 72 65 74
WIND DIR S SE SE S NE SE SW SW SW W E SE SE SE S S S S
WIND SPD 3 3 4 5 5 5 6 6 4 3 3 3 4 4 6 9 10 8
CLOUDS B2 SC SC B2 B2 SC SC SC FW FW FW B1 B2 B2 SC FW FW FW
POP 12HR 50 40 10 60 50
QPF 12HR 0.01 0.05 0 0.06 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L C C C
TSTMS C C C C C S
HEAT INDEX 93 90 90 89 89 93 90
MAX HEAT 92 94 86 86 92 86 89 94
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 70 87 68 88 67 84 64 79
TEMP 75 71 84 86 73 69 84 83 72 68 80 79 69 64 77 76
DEWPT 70 69 73 75 71 69 73 74 71 68 72 71 66 64 66 66
PWIND DIR S S SE SE SE SE E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC B1 SC SC FW SC SC SC SC SC B1 SC SC B1 B1
POP 12HR 50 40 10 10 30 40 20 30
RAIN SHWRS C C S C C S S S C
TSTMS C C S C S
IAZ049-012100-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 72 92 73 91
TEMP 92 87 75 75 73 72 81 88 91 87 78 76 75 73 81 87 90 87
DEWPT 72 73 71 67 63 63 69 71 72 73 71 68 67 67 71 73 73 73
RH 52 63 87 76 71 73 67 57 54 63 79 76 76 81 72 63 58 63
WIND DIR S S S S W S S SW SW SW S S SW S S S S S
WIND SPD 8 5 4 6 8 5 6 10 9 4 5 5 5 3 5 8 9 6
CLOUDS SC CL CL SC SC SC FW SC FW FW CL FW FW SC B1 SC SC FW
POP 12HR 20 5 5 20 20
QPF 12HR 0 0 0 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 100 94 94 99 94 94 98 94
MAX HEAT 99 101 88 95 101 89 97 101
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 91 70 92 69 88 66 83
TEMP 76 73 87 88 75 71 88 85 73 69 83 82 71 67 79 78
DEWPT 70 68 73 74 71 70 73 74 72 69 72 71 68 65 67 65
PWIND DIR S S SE SE SE SE E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC FW SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 10 20 10 10 20 40 30 20
RAIN SHWRS S S C S C S S
TSTMS S S S S
IAZ086-012100-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
127 PM CDT TUE SEP 1 2026
DATE TUE 09/01/26 WED 09/02/26 THU 09/03/26
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 94 78 93
TEMP 95 89 79 78 77 76 83 89 92 89 82 80 79 78 84 90 92 89
DEWPT 68 70 68 66 66 66 72 73 73 73 70 69 69 69 73 74 73 74
RH 42 54 69 67 69 71 70 59 54 59 67 69 72 74 70 60 54 61
WIND DIR SW S S S S SW SW SW SW SW S S S S SW SW S S
WIND SPD 9 6 8 8 8 8 9 11 9 6 8 6 6 5 8 8 8 6
CLOUDS CL CL CL CL FW SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 10 0 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 100 94 89 97101 97 90 98101 98
MAX HEAT 100 101 90 100 103 94 83 99 102
HEAT Y Y Y Y Y Y Y Y Y
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26 MON 09/07/26
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 92 74 93 72 89 70 85
TEMP 79 76 89 92 78 74 89 88 75 73 84 85 73 70 82 82
DEWPT 71 70 74 74 73 72 73 73 74 73 73 72 71 69 70 69
PWIND DIR S SW S SW SE E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC FW SC SC SC FW FW SC SC SC SC B1 B1
POP 12HR 0 10 5 20 20 30 20 20
RAIN SHWRS S S C S S S S
TSTMS S S
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