950
FOUS53 KDMX 171907
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
207 PM CDT THU SEP 17 2026
IAZ060-180900-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 84 71 83 64
TEMP 78 74 71 69 68 67 70 76 83 81 76 74 73 71 75 79 82 77 71 69 67 65
DEWPT 71 71 70 69 67 67 69 74 77 75 73 72 70 69 72 74 75 74 71 69 67 65
RH 79 90 97100 97100 97 94 82 82 90 93 90 93 90 85 79 90100100100100
WIND DIR N NE NE E E E SE SE SE SE S S SW SW SW SW W N N N N NE
WIND SPD 4 4 5 6 8 10 11 12 12 10 10 8 6 5 6 8 8 5 6 6 6 8
CLOUDS B2 B2 B2 OV OV OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B2 B2 OV OV
POP 12HR 40 40 60 60 80
QPF 12HR 0.10 0.03 0.16 0.04 0.54
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L C C D D L L L
TSTMS C C C C C S S S C C S S C
OBVIS PF PF
HEAT INDEX 92 86 88
MAX HEAT 95 85 85 89
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 69 59 62 56 62 53 66 58 69
TEMP 65 65 62 60 59 60 58 57 58 60 54 53 61 64 59 58 63 66
DEWPT 64 64 62 59 59 59 58 55 56 56 54 52 58 60 58 58 62 63
PWIND DIR NE NE NE NE E E E SE SE
WIND CHAR GN GN GN LT GN LT LT LT LT
AVG CLOUDS OV OV OV B2 OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1 SC B2 B1
POP 12HR 70 60 60 30 10 0 10 30 40
RAIN SHWRS L L C L L C S C C C
TSTMS C S S
IAZ039-180900-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 61 72 65 78 60
TEMP 72 70 66 64 63 63 65 68 72 71 69 68 68 68 74 77 76 73 67 65 63 61
DEWPT 67 67 66 64 63 62 64 66 69 68 68 68 68 68 71 72 72 69 67 65 63 61
RH 84 90100100100 97 97 93 90 90 97100100100 90 85 87 87100100100100
WIND DIR NE NE NE E E E E SE SE SE SE SE SE E S SW N N N NE NE NE
WIND SPD 8 6 6 5 6 9 12 14 13 13 14 12 9 8 8 8 9 9 9 8 10 12
CLOUDS OV B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 60 70 80 70 60
QPF 12HR 0.01 0.34 0.59 0.25 0.80
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C C S C C D D C C L L L L L L L
TSTMS C S S S C C C C S S S S S S
OBVIS PF PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 66 55 61 51 61 49 66 53 69
TEMP 63 64 59 56 59 59 54 52 59 59 52 49 63 63 57 54 65 66
DEWPT 61 59 58 55 56 54 54 52 53 52 51 49 55 56 56 54 58 59
PWIND DIR NE NE NE NE E E E SE SE
WIND CHAR GN GN GN GN GN LT LT LT LT
AVG CLOUDS B2 B2 OV B2 OV B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 60 60 60 30 10 5 0 10 20
RAIN SHWRS L L C L L C C C S
TSTMS C C S S
IAZ048-180900-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 80 68 80 62
TEMP 76 72 70 68 66 65 68 73 79 78 74 72 70 69 74 78 79 75 69 67 65 63
DEWPT 69 70 69 67 66 65 68 72 76 74 73 72 70 69 72 74 75 72 69 67 65 63
RH 79 93 97 97100100100 97 91 88 97100100100 93 88 88 90100100100100
WIND DIR N NE NE E E E SE SE SE SE SE S SW W W W N N N N NE NE
WIND SPD 4 4 5 5 8 9 11 12 12 11 10 6 5 4 5 6 6 6 6 6 8 9
WIND GUST 23
CLOUDS B2 B2 B2 OV OV OV OV OV B2 B2 B2 OV B1 B2 B2 B2 B2 B1 B2 OV OV OV
POP 12HR 60 60 80 50 70
QPF 12HR 0.21 0.06 0.33 0.09 0.59
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C D D C C C C L L L L L
TSTMS C C C C C C S S S S C C S C
OBVIS PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 67 57 61 54 61 51 66 56 69
TEMP 64 63 60 59 58 59 57 55 59 59 54 51 61 63 58 57 64 65
DEWPT 63 63 60 59 58 58 57 55 56 55 54 51 57 59 58 57 61 62
PWIND DIR NE NE NE NE E E SE SE SE
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC B1 B1 B1 B2 B1
POP 12HR 70 60 50 30 10 0 5 30 30
RAIN SHWRS L L C L C C C C C C
TSTMS C C
IAZ004-180900-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 59 70 61 67 56
TEMP 70 67 63 62 60 60 64 67 70 68 67 66 64 63 65 66 67 65 62 60 58 57
DEWPT 62 63 63 61 60 60 64 67 70 68 67 66 64 63 65 66 66 64 62 60 58 57
RH 76 87100 97100100100100100100100100100100100100 97 97100100100100
WIND DIR NE NE E E E E SE SE E E E NE NE NE N N N N NE NE NE NE
WIND SPD 9 5 8 6 9 12 16 16 13 12 10 6 6 8 9 10 11 11 11 10 11 12
WIND GUST 26 26 24
CLOUDS B2 OV B2 OV OV OV OV OV OV OV OV B2 OV OV B2 OV B2 B2 OV B2 B2 OV
POP 12HR 90 100 70 50 40
QPF 12HR 0.60 0.67 0.60 0.10 0.16
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D C C C L C L L S S C C C C S S C
TSTMS C C S S C C S
OBVIS PF PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 63 52 58 49 62 48 65 53 68
TEMP 61 61 57 54 56 56 53 50 59 59 52 48 62 62 56 54 65 66
DEWPT 59 59 56 53 56 56 53 50 54 54 52 48 55 58 56 54 60 62
PWIND DIR NE NE NE E E SE SE S S
WIND CHAR GN GN GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 OV B2 B2 B2 B1 B1 SC SC B1 B1 B1 SC B1 B1
POP 12HR 50 50 50 20 5 5 10 30 30
RAIN SHWRS C C C C C S S C C
IAZ035-180900-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 78 66 76 59
TEMP 73 70 67 65 64 64 67 71 77 76 72 70 69 67 71 74 75 70 66 64 62 60
DEWPT 66 67 66 65 63 62 67 70 75 74 72 70 68 67 71 72 72 69 66 64 62 60
RH 79 90 97100 97 93100 97 94 94100100 97100100 93 90 97100100100100
WIND DIR NE NE E E E E SE SE SE SE SE S W N N N N N N N NE NE
WIND SPD 5 3 5 5 8 10 12 14 12 11 9 5 4 4 5 5 6 8 6 6 8 9
CLOUDS B2 B2 B2 OV OV OV OV OV OV B2 B2 OV B2 OV B2 B2 B2 B2 OV OV OV OV
POP 12HR 80 80 80 60 60
QPF 12HR 0.46 0.29 0.86 0.10 0.52
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L D C S L D L L C C L L L L L L C
TSTMS C C C S S C C C S S S S S S
OBVIS PF PF PF PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 65 54 60 51 62 49 66 54 69
TEMP 62 62 59 56 57 58 56 52 58 59 53 50 61 62 58 55 64 65
DEWPT 62 62 59 56 57 58 56 52 55 55 53 50 57 59 58 55 61 63
PWIND DIR NE NE NE E E E SE SE S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B2 B1
POP 12HR 50 60 60 20 5 5 5 30 30
RAIN SHWRS C C C L L C S S C C
TSTMS S S S
IAZ094-180900-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 67 85 70 83 65
TEMP 80 76 72 71 69 68 72 81 85 81 77 74 72 71 75 81 82 78 72 70 68 66
DEWPT 73 73 71 70 69 67 72 76 77 76 73 71 69 67 72 74 75 75 72 70 68 66
RH 79 90 97 97100 97100 85 77 85 87 90 90 87 90 79 79 91100100100100
WIND DIR NE NE NE E E E SE S S S S S SW SW SW SW SW N N N N N
WIND SPD 4 3 5 5 6 8 9 10 10 8 8 8 8 6 8 9 8 3 5 6 5 5
CLOUDS B1 B1 B2 OV OV OV OV SC FW FW B1 SC B1 B2 B2 B1 SC B1 B1 B2 B2 OV
POP 12HR 10 10 40 40 70
QPF 12HR 0.01 0 0.08 0.01 0.34
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S L L L L L
TSTMS C C C S S C C S S C
OBVIS PF
HEAT INDEX 87 95 88 86 89
MAX HEAT 86 90 98 85 88 91
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 71 61 62 56 61 52 65 57 68
TEMP 69 66 63 62 62 61 59 56 59 58 54 52 62 62 58 57 66 65
DEWPT 69 66 63 61 62 61 59 56 59 58 54 52 61 62 58 57 64 64
PWIND DIR NE NE NE NE NE E E E E
WIND CHAR LT GN GN LT GN LT LT LT LT
AVG CLOUDS OV B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B2 B1
POP 12HR 70 70 40 10 20 0 10 20 30
RAIN SHWRS L L L L C S S S S S S C S
TSTMS C C C S
IAZ017-180900-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 58 68 62 70 56
TEMP 70 67 62 61 59 60 63 66 68 66 66 66 66 65 68 70 70 67 63 62 59 57
DEWPT 64 64 62 60 59 59 62 65 67 66 66 66 66 65 68 69 69 66 63 62 59 57
RH 81 90100 97100 96 97 97 97100100100100100100 97 97 97100100100100
WIND DIR NE NE E E E E E SE SE E E SE E NE NE N N N NE NE NE NE
WIND SPD 6 5 5 4 5 9 14 16 13 13 12 9 6 5 6 8 8 8 9 8 9 11
WIND GUST 26 25
CLOUDS B2 B2 B2 B2 OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 B2 B2 B2 B2 OV
POP 12HR 70 80 90 60 50
QPF 12HR 0.13 0.75 1.24 0.15 0.62
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S D L C C L D D D C C L L C C C C C
TSTMS C C S C C C C S S
OBVIS PF PF PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 63 52 58 48 59 46 64 51 67
TEMP 61 60 57 53 56 56 52 49 58 56 50 47 62 61 55 52 64 64
DEWPT 60 58 56 53 55 54 52 49 52 52 50 47 54 56 55 52 58 59
PWIND DIR NE E E E E E SE SE S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 OV OV B2 B2 B2 B1 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 50 60 50 20 5 0 5 20 20
RAIN SHWRS C C C L C C S S S S
TSTMS S S S
IAZ049-180900-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 77 67 80 61
TEMP 75 71 68 66 64 64 66 70 76 75 71 70 69 68 73 77 79 74 68 66 63 62
DEWPT 69 68 67 65 64 63 66 69 72 72 71 70 69 68 72 73 73 71 68 66 63 62
RH 82 90 97 97100 97100 97 87 90100100100100 97 87 82 90100100100100
WIND DIR N NE NE E E E SE SE SE SE SE S S SW S W NW N N NE NE NE
WIND SPD 6 4 6 5 6 8 11 12 12 11 10 8 6 5 6 6 6 6 8 6 8 9
CLOUDS B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2
POP 12HR 60 70 70 60 70
QPF 12HR 0.03 0.21 0.25 0.12 0.65
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C S S C D D C C L L L L L L L
TSTMS S C S S S C C C S S S S C C S C
OBVIS PF PF
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 67 55 61 52 61 49 66 54 68
TEMP 63 64 59 57 57 59 55 53 58 58 52 49 61 63 56 54 63 65
DEWPT 62 61 59 57 57 56 55 52 54 54 52 49 55 57 56 54 59 60
PWIND DIR NE NE NE NE E E SE SE SE
WIND CHAR GN GN GN GN LT LT LT LT LT
AVG CLOUDS B2 OV B2 B2 OV B2 B2 B2 B2 B1 B1 SC SC B1 SC SC B1 B1
POP 12HR 70 60 60 30 10 0 5 20 30
RAIN SHWRS L L C L L C S C S C
TSTMS C C S S
IAZ086-180900-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
207 PM CDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 67 82 71 84 66
TEMP 81 77 74 71 70 68 71 76 81 80 75 74 72 71 77 82 83 80 73 71 69 67
DEWPT 72 73 72 70 68 67 70 75 78 78 74 73 72 71 74 76 77 78 73 71 69 67
RH 74 87 93 97 93 97 97 97 91 94 97 97100100 90 82 82 94100100100100
WIND DIR N N NE NE E E E SE SE SE SE S SW S SW SW SW N N N N N
WIND SPD 5 3 5 5 6 8 10 10 10 8 8 8 6 5 6 8 6 3 4 4 5 6
CLOUDS B2 B2 B2 B2 B2 B2 OV B1 SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B2 B2 OV
POP 12HR 50 60 40 50 80
QPF 12HR 0.08 0.08 0.05 0.01 0.62
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C C C C C C C L L D D L
TSTMS S C S C S S S S S C C S S S
HEAT INDEX 88 86 89 92 85
MAX HEAT 90 93 90 94
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 72 60 64 56 62 52 67 56 70
TEMP 69 67 63 62 62 62 59 56 60 60 55 52 64 64 58 57 67 67
DEWPT 69 67 63 61 62 62 59 56 59 59 55 52 60 62 58 57 64 65
PWIND DIR NE NE NE NE NE NE E E E
WIND CHAR GN GN GN GN GN LT LT LT LT
AVG CLOUDS OV B2 B2 OV OV B2 B2 B2 B2 B1 SC SC SC B1 SC SC B1 B1
POP 12HR 70 60 60 30 20 0 5 10 20
RAIN SHWRS L L L L L C C S S S S
TSTMS S C C S S
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