551
FOUS53 KDMX 030627
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
127 AM CDT THU SEP 3 2026
IAZ060-040900-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 95 77 95 74
TEMP 79 76 86 93 94 91 84 81 79 77 84 92 94 92 82 79 76 74
DEWPT 69 67 69 71 71 70 69 68 68 68 71 72 72 72 72 71 70 70
RH 72 74 57 49 47 50 61 65 69 74 65 52 49 52 72 77 82 87
WIND DIR S S SW S S S S S SW S SW SW S S SW S S SW
WIND SPD 8 8 10 11 12 10 9 8 8 6 9 9 9 4 5 3 3 2
CLOUDS FW FW SC FW FW FW FW FW CL FW FW CL FW FW FW SC FW FW
POP 12HR 5 10 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 100102 97 90101103100 87
MAX HEAT 85 83 101 104 96 86 102 106 98
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 73 90 71 90 74 94 72 88
TEMP 93 90 78 73 87 86 76 72 88 87 77 75 91 89 78 73 85 84
DEWPT 72 71 71 70 72 69 68 68 69 67 65 64 68 69 67 66 67 66
PWIND DIR SW E SE SE SE SE S SW W
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 SC
POP 12HR 5 20 30 10 10 10 20 40 30
RAIN SHWRS S S C S S C C C C
TSTMS S S S S S S
IAZ039-040900-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 72 91 71
TEMP 74 72 81 87 90 87 79 77 74 72 81 88 90 86 79 76 73 71
DEWPT 70 68 72 74 76 74 71 70 70 69 73 76 76 76 74 73 71 70
RH 87 87 74 65 64 65 77 79 87 90 77 68 64 72 85 90 93 97
WIND DIR S S SW S S S S S SE SE S SW SW S S SW SW NE
WIND SPD 6 5 6 9 10 9 10 8 6 5 8 8 5 3 3 3 2 3
CLOUDS SC SC B1 SC FW FW FW FW FW SC FW FW CL FW FW FW FW FW
POP 12HR 20 20 30 20 10
QPF 12HR 0 0 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S S
TSTMS S S S C S S S
HEAT INDEX 95102 95 86 98103 97
MAX HEAT 96 105 93 99 105 94
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 88 68 84 67 84 68 86 67 83
TEMP 86 83 74 69 81 80 72 68 82 80 73 70 84 82 73 69 80 78
DEWPT 76 74 72 69 72 69 68 66 70 69 66 63 71 70 67 66 68 66
PWIND DIR E E SE SE SE SE S S W
WIND CHAR LT LT LT GN GN GN GN GN GN
AVG CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC FW B1 B1 SC
POP 12HR 5 20 30 10 20 20 20 60 20
RAIN SHWRS S C S S S S C L S S
TSTMS S S C S
IAZ048-040900-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 73 93 74 95 71
TEMP 76 74 83 89 93 89 82 79 76 74 82 91 94 91 80 76 74 72
DEWPT 69 68 70 72 73 72 71 69 69 68 71 74 73 74 74 72 71 70
RH 79 82 65 57 52 57 69 72 79 82 69 58 51 58 82 87 90 93
WIND DIR S S SW S S S S S S S S SW SW S S S S S
WIND SPD 6 6 8 10 12 9 8 6 6 5 8 9 8 3 3 2 1 1
CLOUDS FW SC SC SC FW FW FW FW FW SC FW CL FW FW FW SC FW SC
POP 12HR 5 10 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 97101 96 101103100
MAX HEAT 98 102 94 102 106 97
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 70 88 69 89 71 92 69 86
TEMP 91 88 75 71 86 84 73 70 86 85 75 73 89 87 74 71 83 82
DEWPT 74 73 72 70 73 69 69 68 70 68 67 64 70 70 68 66 67 67
PWIND DIR SE E SE SE SE SE S SW W
WIND CHAR LT LT LT LT GN GN GN LT LT
AVG CLOUDS SC FW FW SC SC SC SC SC B1 SC SC SC SC SC SC B1 B1 SC
POP 12HR 5 20 30 10 10 10 20 50 30
RAIN SHWRS S C C S S C C C S
TSTMS S S S C S
IAZ004-040900-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 69 90 71 90 69
TEMP 72 70 77 84 89 86 77 75 73 71 79 86 90 87 76 73 71 69
DEWPT 69 66 70 71 71 73 72 70 68 67 70 71 70 73 71 70 69 69
RH 90 87 79 65 56 65 85 84 84 87 74 61 52 63 85 90 93100
WIND DIR SE SW S S S S S S S S SW SW S NE E SE SE SE
WIND SPD 6 9 12 13 12 8 8 8 8 6 6 4 4 4 4 4 3 3
CLOUDS B1 B1 SC SC FW CL FW FW FW FW CL CL CL FW FW FW FW SC
POP 12HR 40 50 10 5 10
QPF 12HR 0.01 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
TSTMS C C S
HEAT INDEX 89 95 93 92 95 93
MAX HEAT 90 97 92 93 97 90
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 89 69 85 67 83 69 84 63 81
TEMP 86 85 73 69 82 82 71 69 80 80 72 71 81 80 69 64 77 77
DEWPT 72 72 70 69 72 70 67 67 70 70 66 64 70 70 65 61 64 64
PWIND DIR SE SE SE SE S S SW W NW
WIND CHAR LT LT GN GN GN BZ BZ GN LT
AVG CLOUDS SC SC FW SC SC SC FW SC B2 B1 SC B1 B1 B1 SC B1 SC SC
POP 12HR 5 30 40 30 40 40 40 50 20
RAIN SHWRS S C C S S C C S C C C C C C S S
TSTMS S C S S S C C S S S S S S
IAZ035-040900-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 92 73 93 70
TEMP 73 72 79 86 91 88 80 78 75 73 82 89 92 89 78 75 72 70
DEWPT 69 67 71 73 74 74 72 69 68 68 72 74 74 74 73 72 71 70
RH 87 84 77 65 58 63 77 74 79 84 72 61 56 61 85 90 97100
WIND DIR S S S S S S S S S S S SW SW S S SE S SE
WIND SPD 5 5 6 10 11 6 8 6 6 4 6 6 4 2 2 2 2 1
CLOUDS SC B1 B1 SC CL CL FW FW FW FW CL CL CL FW FW SC FW SC
POP 12HR 30 30 10 5 5
QPF 12HR 0.05 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S
TSTMS S C S
HEAT INDEX 93101 97 87 98102 98
MAX HEAT 93 102 94 99 103 94
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 69 87 68 87 70 89 66 85
TEMP 88 86 74 69 84 82 72 69 84 83 74 71 85 85 72 67 81 79
DEWPT 74 74 71 69 73 70 68 67 71 70 66 64 71 71 67 64 67 66
PWIND DIR SE SE SE SE SE S SW NW W
WIND CHAR LT LT LT LT GN GN GN LT LT
AVG CLOUDS SC FW FW SC SC SC FW SC B2 B1 SC B1 B1 SC SC B1 B1 SC
POP 12HR 5 20 30 20 20 30 30 50 20
RAIN SHWRS S S C S S S S S C S C C C S S
TSTMS S S S S S S S S S S C S
IAZ094-040900-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 94 75 94 73
TEMP 78 76 86 91 93 90 83 81 78 76 84 91 93 91 82 79 75 74
DEWPT 67 67 69 70 69 68 68 67 67 67 69 70 69 68 69 69 69 68
RH 69 74 57 50 46 49 61 63 69 74 61 50 46 47 65 72 82 82
WIND DIR S S SW SW S S S S SW SW SW SW S S S S S SW
WIND SPD 9 8 12 13 12 10 8 8 8 6 10 11 10 5 4 3 3 2
CLOUDS FW CL FW FW FW CL FW FW FW FW FW FW SC SC SC SC FW SC
POP 12HR 5 5 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 97 98 97 99 96
MAX HEAT 83 83 98 100 93 84 98 102 94
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 91 70 90 73 93 72 89
TEMP 92 90 78 72 88 86 76 72 88 87 78 74 91 90 79 73 86 84
DEWPT 70 69 70 69 70 67 68 67 68 65 64 63 67 66 66 65 66 65
PWIND DIR SW SE SE SE SE SE S S SW
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS SC FW FW FW SC SC SC SC SC SC SC SC SC FW FW SC B1 SC
POP 12HR 5 10 20 10 10 5 10 30 30
RAIN SHWRS S C C S
TSTMS S S
IAZ017-040900-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 69 87 70 89 69
TEMP 71 70 77 83 87 84 77 74 72 71 80 85 88 85 76 73 71 69
DEWPT 68 68 72 73 73 73 72 70 69 68 73 74 74 75 72 71 70 69
RH 90 93 85 72 63 70 85 87 90 90 79 70 63 72 87 93 97100
WIND DIR S S SW S S S SE S S S S SW SW E SE SE NE SE
WIND SPD 6 5 6 11 10 8 8 6 6 5 6 5 3 2 2 2 2 2
CLOUDS B1 B1 B1 SC FW FW CL SC SC FW CL CL CL FW FW FW FW SC
POP 12HR 40 50 20 10 5
QPF 12HR 0.01 0.03 0.04 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S
TSTMS S C C S S
HEAT INDEX 88 95 91 93 97 94
MAX HEAT 89 95 87 95 99 90
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 67 83 66 83 67 85 64 81
TEMP 84 83 72 68 80 80 70 67 80 79 71 69 82 80 70 65 78 76
DEWPT 75 73 71 68 72 69 67 67 70 69 65 64 70 70 66 64 65 64
PWIND DIR SE SE SE SE SE S SW NW W
WIND CHAR LT LT LT LT GN GN GN GN LT
AVG CLOUDS SC FW FW SC SC SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 SC
POP 12HR 5 30 30 20 20 30 30 60 20
RAIN SHWRS S C C S S S S C C C C L S S
TSTMS S C S S S S S S C S
IAZ049-040900-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 93 72 93 70
TEMP 74 73 83 90 92 87 79 77 74 73 81 90 92 88 78 75 73 71
DEWPT 70 67 70 72 72 71 70 69 68 68 71 73 73 73 73 72 70 69
RH 87 81 65 56 52 59 74 76 82 84 72 58 54 61 85 90 90 93
WIND DIR S S SW S S S S S S E S SW SW S S SW SW SW
WIND SPD 6 5 6 9 11 9 9 8 6 5 6 8 5 2 3 2 2 2
CLOUDS SC SC SC SC FW CL FW FW FW SC FW CL CL FW FW FW FW FW
POP 12HR 10 10 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 96101 94 98101 95
MAX HEAT 97 102 90 101 106 92
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 69 87 67 87 69 90 68 85
TEMP 89 85 73 69 84 82 72 69 84 83 73 71 87 84 73 69 82 80
DEWPT 74 73 71 69 71 68 67 66 68 67 65 63 69 69 67 65 67 66
PWIND DIR S E SE SE SE SE S S W
WIND CHAR LT LT LT LT LT GN GN GN LT
AVG CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC FW B1 B1 SC
POP 12HR 5 20 30 10 10 10 20 50 30
RAIN SHWRS S C S S S C C C S
TSTMS S S S C S
IAZ086-040900-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
127 AM CDT THU SEP 3 2026
DATE 09/02/26 THU 09/03/26 FRI 09/04/26 SAT
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 95 77 95 74
TEMP 79 77 88 93 95 90 83 81 79 77 86 92 94 91 82 79 76 75
DEWPT 70 70 72 72 72 72 71 70 70 70 72 73 73 73 72 72 72 71
RH 74 79 59 51 48 56 67 69 74 79 63 54 51 56 72 79 87 87
WIND DIR S S SW SW S S S S S S SW SW SW S S SW SW SW
WIND SPD 6 8 10 11 11 9 8 6 6 5 8 9 8 4 4 3 3 2
WIND GUST 17
CLOUDS FW FW FW CL CL FW FW FW FW FW SC FW FW FW FW SC FW SC
POP 12HR 5 10 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 94101104 97 88 93101103100 87
MAX HEAT 102 105 95 83 102 105 96
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE 09/05 SUN 09/06/26 MON 09/07/26 TUE 09/08/26 WED 09/09/26
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 72 89 70 89 72 93 73 89
TEMP 92 89 77 72 86 85 74 71 87 86 76 74 91 89 78 75 86 84
DEWPT 73 73 73 72 73 70 69 68 69 68 66 64 69 69 67 68 69 68
PWIND DIR W E E SE SE SE S S SW
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS FW FW FW FW SC SC FW SC SC SC FW FW SC FW FW SC SC SC
POP 12HR 10 20 20 5 10 5 10 30 30
RAIN SHWRS S S S S C C C
TSTMS S S S S
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