692
FOUS53 KDMX 180733
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
232 AM CDT MON MAY 18 2026
IAZ060-190900-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 82 54 64 45
TEMP 69 69 72 78 80 78 72 68 63 56 56 61 63 62 55 52 48 46
DEWPT 64 63 65 67 68 66 64 63 60 51 48 49 47 44 44 43 41 41
RH 84 81 79 69 67 67 76 84 90 83 74 65 56 52 66 71 77 83
WIND DIR S S S S S S S SW W NW NW NW NW N N N N N
WIND SPD 12 10 12 14 17 16 17 14 14 16 16 14 14 11 6 5 5 5
WIND GUST 25 28 29 29 26 25
CLOUDS OV OV B2 B2 B2 B2 OV B2 OV OV B2 B2 SC SC SC FW FW FW
POP 12HR 90 40 90 10 0
QPF 12HR 0.18 0.04 0.88 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S C D L C
TSTMS C C S C L C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 47 65 50 71 53 78 58 85
TEMP 60 63 53 48 62 63 56 53 67 70 59 56 75 77 64 61 82 83
DEWPT 42 41 42 43 45 44 47 49 54 51 52 52 56 54 55 56 61 58
PWIND DIR NE E E E E SE SW S S
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 20 30 30 10 5 20 10
RAIN SHWRS S C C S S S
TSTMS S S S S S
IAZ039-190900-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 54 63 42
TEMP 67 67 72 78 79 76 72 68 64 57 56 61 63 60 53 49 45 43
DEWPT 63 63 65 67 68 67 65 64 61 54 50 49 47 43 42 41 39 39
RH 87 87 79 69 69 74 79 87 90 90 80 65 56 53 66 74 79 86
WIND DIR S S SW S S S S S SW W NW NW NW NW NW NW N N
WIND SPD 13 12 13 14 16 14 18 17 16 19 19 18 18 16 10 9 6 6
WIND GUST 24
CLOUDS OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 SC SC FW FW FW FW
POP 12HR 70 20 80 20 0
QPF 12HR 0.26 0.05 0.65 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S S C L D C S
TSTMS C S S C L C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 43 64 45 69 49 76 53 82
TEMP 60 61 50 44 61 62 52 49 65 68 55 52 73 74 59 56 80 80
DEWPT 40 39 39 40 43 43 43 45 52 51 49 50 55 54 52 53 61 59
PWIND DIR N E SE E SE E SW SE S
WIND CHAR LT LT GN GN GN LT LT LT GN
AVG CLOUDS FW SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 5 30 30 10 20 10 10
RAIN SHWRS C C C S
TSTMS S S
IAZ048-190900-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 52 63 42
TEMP 68 67 71 76 79 77 70 66 60 53 54 60 62 61 53 50 45 43
DEWPT 64 63 65 68 68 67 65 63 58 50 48 49 47 44 43 42 41 41
RH 87 87 81 76 69 71 84 90 93 89 80 67 58 53 69 74 86 93
WIND DIR S S S S S S S SW W NW NW NW NW NW N N N N
WIND SPD 11 10 10 14 16 14 16 14 14 17 17 16 16 12 6 5 4 4
WIND GUST 26 25 26 27 26
CLOUDS OV OV OV OV B2 OV OV OV B2 OV B2 B2 SC SC SC FW FW FW
POP 12HR 60 30 90 0 0
QPF 12HR 0.12 0.05 0.92 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C D L C
TSTMS S S S C C C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 45 64 47 70 50 77 55 84
TEMP 59 62 50 47 61 62 54 51 65 69 57 54 74 75 61 59 80 82
DEWPT 42 41 41 43 46 45 46 48 55 52 51 51 57 54 53 55 62 58
PWIND DIR NE E SE E SE SE SW S S
WIND CHAR LT LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 20 30 30 20 5 20 20
RAIN SHWRS S C C C S S S
TSTMS S C S C S S
IAZ004-190900-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 56 66 44 57 38
TEMP 62 58 60 61 64 63 58 52 47 45 48 53 57 55 48 44 40 39
DEWPT 59 56 55 56 59 59 55 50 45 41 41 42 43 41 38 37 36 37
RH 90 93 84 84 84 87 90 93 93 86 77 66 59 59 68 76 85 92
WIND DIR W NW N N NE NE NE NW NW NW NW NW NW NW N NW NW N
WIND SPD 11 10 9 6 8 11 16 19 20 21 23 20 19 17 10 6 4 5
WIND GUST 32
CLOUDS B2 OV B2 B2 B2 OV OV OV OV OV B2 B2 B1 SC SC FW FW FW
POP 12HR 20 70 90 0 0
QPF 12HR 0 0.05 0.99 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C D L C C
TSTMS S C C C
WIND CHILL 37
MIN CHILL 36 38 39 34
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 62 42 64 45 68 48 74 52 82
TEMP 57 61 47 45 61 62 50 48 63 66 52 51 69 72 57 56 77 78
DEWPT 38 37 38 39 44 43 43 44 49 48 46 47 51 51 49 50 56 56
PWIND DIR NE SE SE SE SE SE W S S
WIND CHAR LT LT BZ GN GN GN GN GN GN
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 SC SC SC SC
POP 12HR 0 0 5 30 50 40 10 20 20
RAIN SHWRS C C C C C S S S
TSTMS S S S S S
IAZ035-190900-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 76 49 61 40
TEMP 65 64 68 70 74 72 66 61 53 50 52 57 60 59 51 47 42 41
DEWPT 61 60 62 64 65 65 62 57 51 45 44 45 44 42 40 38 38 38
RH 87 87 81 81 74 79 87 87 93 83 74 64 55 53 66 71 86 89
WIND DIR SW W W SW S SE W S NW NW NW NW NW NW N N N N
WIND SPD 8 5 4 5 5 8 10 11 17 18 18 17 16 12 6 4 3 3
CLOUDS OV OV B2 B2 B2 OV OV OV OV OV OV B2 B1 SC SC FW FW FW
POP 12HR 40 50 90 0 0
QPF 12HR 0.02 0.05 1.13 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C D L C
TSTMS S C C C C S
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 43 64 45 70 48 76 53 84
TEMP 59 61 47 46 61 61 51 49 64 68 54 51 72 74 58 56 79 80
DEWPT 40 38 38 41 45 44 43 46 52 50 47 48 53 52 50 52 59 57
PWIND DIR NE E SE SE SE SE SW S S
WIND CHAR LT LT GN LT GN LT LT LT GN
AVG CLOUDS SC B1 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B2 B1 SC SC SC SC
POP 12HR 0 0 20 30 40 30 10 20 10
RAIN SHWRS C C C C C S S S
TSTMS C C S S S S
IAZ094-190900-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 81 55 64 44
TEMP 68 67 71 77 79 77 71 68 63 56 57 61 64 62 55 51 47 45
DEWPT 64 63 66 68 69 66 65 63 60 53 51 51 50 47 45 43 42 42
RH 87 87 84 74 72 69 81 84 90 90 80 70 60 58 69 74 83 89
WIND DIR S S S S S S S SW W NW NW NW N N N N N N
WIND SPD 13 13 16 19 19 18 18 14 13 13 14 13 13 11 6 8 8 8
WIND GUST 24 26 31 32 29 29 26 24
CLOUDS OV OV B2 B2 B1 B2 OV OV OV OV B2 B2 B1 B1 SC SC SC SC
POP 12HR 90 60 90 5 0
QPF 12HR 0.40 0.07 0.91 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L S S D D C
TSTMS L C S S L C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 46 65 50 72 52 78 57 84
TEMP 60 61 51 47 62 63 56 53 68 70 58 55 75 76 62 60 82 82
DEWPT 44 43 42 44 47 47 49 52 57 55 53 54 58 57 55 57 63 60
PWIND DIR NE NE E E SE SE W S S
WIND CHAR GN LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC
POP 12HR 0 0 40 40 40 10 10 20 10
RAIN SHWRS S C C C S S
TSTMS S C S
IAZ017-190900-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 75 47 59 38
TEMP 64 64 68 71 73 71 66 62 55 50 50 56 58 56 49 46 42 40
DEWPT 61 61 62 63 65 65 63 59 53 46 45 45 44 42 39 37 36 37
RH 90 90 81 76 76 81 90 90 93 86 83 66 59 59 68 71 79 89
WIND DIR SW SW W SW SW SE S S NW NW NW NW NW NW NW NW NW N
WIND SPD 12 9 6 6 8 9 13 13 18 20 21 20 19 17 9 6 5 4
CLOUDS OV B2 B2 B2 B2 B2 OV OV OV OV OV B1 SC B1 SC FW FW FW
POP 12HR 50 40 90 20 0
QPF 12HR 0.07 0.04 1.29 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C D L C S
TSTMS S C C C S
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 61 40 63 43 67 46 74 50 81
TEMP 58 59 46 45 61 61 50 48 63 66 53 51 71 72 57 56 78 78
DEWPT 39 37 37 39 43 43 41 43 50 49 46 47 53 52 49 50 58 57
PWIND DIR N E SE SE SE SE SW S S
WIND CHAR LT LT GN GN GN LT LT LT GN
AVG CLOUDS FW SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 10 30 40 30 10 20 10
RAIN SHWRS C C C S C S
TSTMS S S S S
IAZ049-190900-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 63 80 53 63 41
TEMP 67 66 71 77 79 77 71 66 63 55 55 60 62 61 52 48 44 42
DEWPT 63 63 64 66 67 66 64 63 60 52 49 49 47 44 42 40 39 39
RH 87 90 79 69 67 69 79 90 90 90 80 67 58 53 69 74 82 89
WIND DIR S SW S S S S S SW SW NW NW NW NW NW N N N N
WIND SPD 13 12 12 14 17 16 17 16 13 17 17 17 17 12 8 6 5 5
WIND GUST 25 27 26 27 27
CLOUDS B2 OV B2 B2 B2 B2 OV B2 OV B2 B1 B2 SC SC SC FW FW FW
POP 12HR 80 30 80 20 0
QPF 12HR 0.11 0.04 0.73 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S L D C S
TSTMS C S S L C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 43 64 46 70 48 77 53 83
TEMP 59 61 49 44 61 62 52 49 65 68 55 52 73 75 59 57 80 81
DEWPT 41 39 39 41 44 44 44 46 52 51 49 50 55 54 52 53 60 58
PWIND DIR NE E E E SE SE SW SE S
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 20 30 30 10 5 10 10
RAIN SHWRS S C C C
TSTMS S S S S
IAZ086-190900-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
232 AM CDT MON MAY 18 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
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 81 59 68 46
TEMP 70 69 72 77 80 79 73 71 68 63 60 65 67 65 57 53 48 47
DEWPT 65 64 66 68 68 67 66 65 64 60 54 54 52 48 46 44 42 42
RH 84 84 81 74 67 67 79 81 87 90 81 68 59 54 67 71 80 83
WIND DIR S S S S S S S S SW W NW NW NW NW N N N N
WIND SPD 13 13 16 17 18 17 17 18 17 16 16 14 14 12 8 9 9 8
WIND GUST 26 24 28 32 28 28 31 28 26 25
CLOUDS OV B2 B2 B2 B2 B1 B2 B2 OV B2 B2 B2 SC B1 SC SC SC SC
POP 12HR 80 60 90 30 0
QPF 12HR 0.38 0.12 0.51 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C D L C
TSTMS L C C C C S
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
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 46 67 51 73 53 79 58 86
TEMP 61 64 53 47 63 65 56 53 67 71 58 56 75 77 62 61 81 83
DEWPT 43 43 42 42 45 46 48 50 55 54 53 54 57 56 55 57 61 60
PWIND DIR NE NE E E E E SW SW S
WIND CHAR GN LT GN GN GN LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 20 40 30 10 5 10 10
RAIN SHWRS C C C S S
TSTMS S S
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