906
FOUS53 KDMX 131458
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
957 AM CDT THU AUG 13 2026
IAZ060-132100-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 82 69 85 72 88
TEMP 74 78 82 79 75 73 71 71 75 80 84 83 78 75 74 73 80 85 88 86
DEWPT 72 74 75 75 73 73 71 71 74 76 78 78 76 75 74 73 77 78 79 79
RH 93 88 79 88 94100100100 97 88 82 85 94100100100 91 80 75 80
WIND DIR S E E E E E E E E E E E E SE SE S SW SW W W
WIND SPD 8 9 8 11 11 10 10 11 10 11 10 10 10 8 8 6 6 8 6 4
CLOUDS B2 B1 SC B1 B2 OV B2 OV B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC
POP 12HR 90 60 50 60 20
QPF 12HR 0.95 0.86 0.01 0.39 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S C C C L C C L L L L S S S S C
TSTMS C C S C C C C S C C C C C S S S C
HEAT INDEX 89 86 95 93 97103100
MAX HEAT 90 88 100 93 98 106
FLOOD A A A A A A A A A
SVR TSTORM A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 82 65 78 63 81 66 82
TEMP 75 71 79 77 69 66 77 75 67 65 79 79 70 67 79 78
DEWPT 75 71 74 73 69 65 68 69 67 65 71 73 69 67 72 73
PWIND DIR NW N N NE SE S SE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC FW SC SC SC B1 SC SC B1 B1 SC
POP 12HR 70 40 20 5 10 10 40 20
RAIN SHWRS C L C S S S C C S
TSTMS C C C S C C S
IAZ039-132100-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 74 65 78 68 84
TEMP 73 72 72 73 70 69 68 67 71 75 78 76 72 71 70 69 76 82 84 81
DEWPT 72 69 70 70 69 68 68 67 70 72 74 72 72 71 70 69 74 77 79 76
RH 97 90 93 90 97 97100100 97 90 88 87100100100100 94 85 85 85
WIND DIR E E E E E E E SE E E E E E E SE SE S SW W W
WIND SPD 8 12 10 10 10 8 10 10 12 12 12 11 12 11 9 8 8 8 9 6
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 OV B2 OV OV B2 B2 B1 B1
POP 12HR 90 70 80 80 50
QPF 12HR 0.85 0.66 0.23 0.47 0.09
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C C C C C L D C L C C C D D C C S S L
TSTMS C C C C C C S S S S C S S S S S S S S C
HEAT INDEX 90 96 88
MAX HEAT 91 98
FLOOD A A A A A A A A A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 68 80 62 78 61 79 63 78
TEMP 72 69 78 76 67 63 76 74 65 63 77 75 67 65 76 75
DEWPT 72 69 73 69 65 62 66 66 64 63 69 69 66 65 70 69
PWIND DIR W NW NW NW S S SE S
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 SC FW SC FW FW FW B1 SC SC B1 B1 SC
POP 12HR 60 20 5 0 20 30 40 30
RAIN SHWRS L L S S S C C C C S
TSTMS C C S S C C C
IAZ048-132100-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 77 67 82 70 86
TEMP 72 74 77 76 72 71 69 68 73 78 81 80 75 74 72 71 78 83 86 83
DEWPT 71 72 73 73 72 71 69 68 72 75 77 77 75 74 72 71 76 79 80 79
RH 97 93 87 90100100100100 97 91 88 91100100100100 94 88 82 88
WIND DIR SE SE E E E E E E E E E E E E SE S SW SW W W
WIND SPD 11 9 8 10 10 9 10 11 11 11 11 11 10 6 6 5 6 6 6 3
CLOUDS B2 B2 B2 B2 OV OV OV B2 B2 B2 B1 B2 B2 B2 OV B2 B2 B1 B1 B1
POP 12HR 90 70 70 70 20
QPF 12HR 1.14 0.97 0.06 0.25 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C C L L C C C L L L L S S S S C
TSTMS C C C C C C C S S C C C C S S S S S C
HEAT INDEX 88 85 95101 94
MAX HEAT 91 87 97 103
FLOOD A A A A A A A A A
SVR TSTORM A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 68 81 63 79 62 81 64 80
TEMP 73 69 79 77 67 64 77 75 66 64 78 77 68 66 77 77
DEWPT 73 69 74 72 67 64 68 69 66 64 71 73 68 66 73 72
PWIND DIR NW N N NE SE S SE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC FW SC SC SC B1 SC SC B1 B1 B1
POP 12HR 70 30 10 5 20 20 40 20
RAIN SHWRS C L C S S S S S C C S S
TSTMS C C S S S C C S S
IAZ004-132100-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 73 63 75 66 81
TEMP 68 69 71 73 68 66 65 64 69 71 73 74 70 70 68 67 73 78 80 78
DEWPT 67 66 66 69 68 66 65 64 68 70 73 73 70 70 68 67 72 74 75 75
RH 97 90 84 87100100100100 97 97100 97100100100100 97 88 85 91
WIND DIR E E E E E E E E E E E E E SE SE SE W NW W NW
WIND SPD 12 12 12 12 11 10 10 11 13 13 12 11 10 8 6 4 5 4 4 4
CLOUDS OV B2 B2 B1 SC B1 OV B2 OV OV B2 OV OV OV B2 OV B2 B1 B1 B2
POP 12HR 70 40 70 60 50
QPF 12HR 0.43 0.11 0.22 0.22 0.14
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L L C C L L L L S S C C C
TSTMS S S S S S C S S S C S
HEAT INDEX 85
MAX HEAT 86
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 64 77 57 76 59 78 60 77
TEMP 69 65 74 73 62 58 73 73 62 60 76 75 65 62 74 73
DEWPT 69 65 69 68 60 57 64 66 62 60 69 70 65 62 68 69
PWIND DIR NW N NW SW S S SW N
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS B1 B1 B1 SC FW FW SC FW FW SC SC SC SC B1 B2 B1
POP 12HR 50 10 5 5 30 30 40 30
RAIN SHWRS C C C C C C C C S
TSTMS S S S C C C S S
IAZ035-132100-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 75 65 80 68 85
TEMP 73 72 73 75 70 69 67 67 71 75 78 78 73 72 70 69 76 82 84 81
DEWPT 71 71 71 72 70 69 67 67 71 74 76 75 73 72 70 69 75 78 79 78
RH 93 97 93 90100100100100100 97 94 91100100100100 97 88 85 91
WIND DIR E E E E E E E SE E E E E E SE SE SE SW W W W
WIND SPD 12 12 10 9 9 8 9 9 10 11 9 9 8 5 5 4 4 4 3 3
CLOUDS B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 OV OV OV B2 B2 B2 B2
POP 12HR 80 60 70 70 40
QPF 12HR 0.69 0.60 0.32 0.30 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C L L L C S L L L L C C C C L
TSTMS C C C C C C C S S S S C C S S S S C C
HEAT INDEX 90 95 89
MAX HEAT 92 97
FLOOD A A A A A A A A A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 67 80 60 77 60 80 62 80
TEMP 71 67 77 75 64 61 74 74 63 62 77 76 66 64 77 76
DEWPT 71 67 73 71 64 61 67 68 63 62 72 72 66 64 72 72
PWIND DIR NW N N W S S SE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 SC FW SC SC SC FW SC B1 SC SC B1 B2 B1
POP 12HR 70 20 5 5 30 30 40 30
RAIN SHWRS L L S C C C C C C
TSTMS C S S S C C C S
IAZ094-132100-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 89 72 89
TEMP 77 85 91 85 77 75 74 73 79 85 87 86 80 77 75 73 80 86 89 87
DEWPT 73 75 76 76 74 75 72 71 73 75 75 77 75 75 72 71 73 74 75 76
RH 87 72 62 75 90100 93 93 82 72 68 75 85 94 90 93 79 68 64 70
WIND DIR E SE SE E E E E E SE SE S SE SE SE S S SW SW SW SW
WIND SPD 5 9 8 9 11 10 8 8 8 9 9 6 8 6 8 6 8 8 8 4
CLOUDS B1 B1 FW SC SC B2 B2 B2 B1 B1 B1 SC B1 B1 B2 B2 B1 B1 SC SC
POP 12HR 70 30 30 50 10
QPF 12HR 0.31 0.09 0 0.57 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S C C C C C C
TSTMS S S S C S S C C C C C C
HEAT INDEX 94102 94 94 96 97 85 95 99 97
MAX HEAT 95 103 92 95 102 96 96 101
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 71 83 66 78 64 82 67 84
TEMP 76 72 81 77 70 66 76 75 67 66 79 79 71 69 81 80
DEWPT 75 72 75 74 70 66 68 69 67 65 70 71 69 67 71 72
PWIND DIR N N N NE E S SE W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 40 50 10 5 5 10 20 20
RAIN SHWRS C C S C S S S
TSTMS C C S C S S S
IAZ017-132100-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 73 63 76 66 82
TEMP 70 70 71 73 68 67 65 64 68 73 74 74 71 70 68 68 73 79 81 80
DEWPT 68 67 68 69 68 67 65 64 68 71 72 72 71 70 68 68 73 76 76 76
RH 93 90 90 87100100100100100 93 93 93100100100100100 91 85 88
WIND DIR E E E E E E E E E E E E E SE SE SE S W W W
WIND SPD 9 12 10 10 9 8 10 10 13 13 12 11 11 10 9 5 5 5 4 4
CLOUDS B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2
POP 12HR 80 50 80 70 40
QPF 12HR 0.65 0.17 0.19 0.33 0.11
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C S S S S C L L L L C C L L C C C C L
TSTMS S C S S S S S S S C C C S S C C
HEAT INDEX 88 85
MAX HEAT 88
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 65 78 58 77 58 78 61 78
TEMP 70 66 76 75 64 60 75 74 63 61 76 75 65 63 75 74
DEWPT 70 66 71 68 62 60 65 66 62 61 69 70 65 63 69 69
PWIND DIR NW N NW W SW S S NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 SC FW FW SC FW FW SC B1 SC SC B2 B2 B1
POP 12HR 60 10 0 5 20 40 50 30
RAIN SHWRS L C S C C C C C S
TSTMS C S C C C S S
IAZ049-132100-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 74 65 81 68 86
TEMP 72 73 74 74 70 69 68 66 72 77 79 78 73 72 70 69 77 83 86 82
DEWPT 71 70 71 71 69 69 68 66 71 74 75 73 72 72 70 69 75 78 79 77
RH 97 90 90 90 97100100100 97 90 88 85 97100100100 94 85 80 85
WIND DIR SE E E E E E E E E E E E E SE SE S SW SW W W
WIND SPD 12 11 9 10 9 8 9 9 10 11 10 11 11 8 6 5 6 6 6 4
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 B1 B2 B2 OV OV OV B2 B1 B1
POP 12HR 90 70 70 70 30
QPF 12HR 0.80 1.75 0.17 0.33 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C C C C C L L C C C C L L C C S S L
TSTMS C C C C C C C S C S C C C S S S S C
HEAT INDEX 93 99 89
MAX HEAT 87 96 103
FLOOD A A A A A A A A A
SVR TSTORM A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 67 81 61 79 60 80 62 80
TEMP 72 68 78 76 66 63 77 74 64 62 78 76 67 64 77 75
DEWPT 72 68 73 70 65 62 67 67 64 62 69 70 66 64 71 70
PWIND DIR NW N N NW SE S SE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC FW SC SC FW SC B1 SC SC B1 B1 B1
POP 12HR 70 30 5 5 20 20 40 30
RAIN SHWRS L L C C S S C C C
TSTMS C C S S C C C
IAZ086-132100-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
957 AM CDT THU AUG 13 2026
DATE THU 08/13/26 FRI 08/14/26 SAT 08/15/26
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 83 69 86 72 89
TEMP 74 78 83 80 74 74 71 71 76 82 85 84 77 76 74 73 80 86 89 86
DEWPT 72 74 75 76 74 74 71 71 75 77 79 79 77 76 74 73 77 79 79 80
RH 93 88 77 88100100100100 97 85 82 85100100100100 91 80 73 82
WIND DIR NE E SE E E E E E E SE E E E SE S S SW SW SW W
WIND SPD 14 11 9 11 11 10 10 10 9 9 10 9 10 8 8 8 8 8 8 5
CLOUDS B2 B1 SC B1 B1 B2 OV OV B2 B1 B1 B1 SC B1 B2 B2 B1 B1 SC SC
POP 12HR 90 50 50 60 30
QPF 12HR 0.56 0.65 0.06 0.20 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C S S C C C C S C C L L C C C
TSTMS S C S S C C C S S C C C S C S C
HEAT INDEX 90 86 90 98 95 99105101
MAX HEAT 92 91 103 92 100 106
FLOOD A A A A A A A A A
SVR TSTORM A
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 71 84 66 80 64 82 66 83
TEMP 76 72 81 79 70 67 78 76 67 65 79 79 70 68 80 80
DEWPT 76 72 77 75 70 67 70 70 67 65 71 73 70 68 73 74
PWIND DIR W N N N SE S SE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B1 SC FW SC SC FW SC SC SC SC B1 SC
POP 12HR 60 40 10 5 5 10 30 20
RAIN SHWRS C L C C S S C S
TSTMS C C C S S S S S
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