Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
750 AM CDT Mon May 21 2018

IAZ060-212200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      72          58          82          64          85
Temp                60 66 71 71 65 61 59 59 70 78 82 80 70 67 65 65 74 82 85 81
Dewpt               58 60 60 60 58 57 56 57 61 62 62 63 63 62 61 61 65 67 66 67
RH                  93 81 68 68 78 87 90 93 73 58 51 56 78 84 87 87 74 61 53 63
Wind dir            NE NW NW NW SE SE SE  S SE SE SE SE SE SE SE SE  S  S  S SE
Wind spd             3  4  5  4  3  3  2  2  3  4  4  5  5  5  5  5  8  8 10  8
Clouds              OV B2 B1 B1 SC SC SC B1 B1 SC SC SC B1 B1 B1 B2 SC B1 SC B1
PoP 12hr                     30          10          10          40          20
QPF 12hr                      0           0           0        0.07        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  S  S  S  S
Tstms                                                       C  C  S  S  S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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          66    85      68    85      67    84      63    82
Temp          69 67 82 83   71 70 83 82   71 68 82 80   67 64 79 80
Dewpt         64 63 68 68   64 64 68 66   64 63 64 61   59 59 61 59
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    SC B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         30    30      30    40      30     5       5     5
Rain shwrs        C  C  S       C  C  C    C  S
Tstms             C  C  S       C  C  C    C  S

$$
IAZ039-212200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      66          54          78          60          81
Temp                56 60 64 66 60 58 55 56 66 73 77 76 67 63 60 61 69 77 81 78
Dewpt               54 56 56 57 57 55 54 55 58 59 58 59 59 59 58 59 62 64 65 64
RH                  93 87 75 73 90 90 96 96 75 62 52 56 75 87 93 93 78 64 58 62
Wind dir             E  E NE NE NE NE NW NW  N NW  W SE SE SE SE SE SE  S  S SE
Wind spd             6  4  4  4  3  3  3  3  4  3  3  4  4  4  5  4  8  9  9  8
Clouds              OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC B1 B2 OV B2 B2 B1 B1
PoP 12hr                     80          10           5          50          50
QPF 12hr                   0.06           0           0        0.15        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                                      C  C  C  C  S  S  S
Tstms                                                       C  C  C  C  S  S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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          63    83      65    84      63    83      61    80
Temp          66 64 80 80   68 67 82 81   68 65 81 79   65 63 78 76
Dewpt         63 62 66 65   63 63 67 64   62 61 63 60   59 58 60 57
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B1 B1 B2 B1   B1 B1 B1 B1   B1 SC SC SC   SC SC FW FW
PoP 12hr         30    40      10    30      20    20      10     5
Rain shwrs     S  C  C  C          C  S    S        S
Tstms          S  C  C  C          C  S    S        S

$$
IAZ048-212200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      70          55          80          62          83
Temp                59 63 69 69 62 58 56 57 68 76 79 79 69 66 63 63 72 80 83 80
Dewpt               56 58 59 59 58 55 56 56 59 61 60 61 62 61 60 60 64 66 66 65
RH                  90 84 70 70 87 90100 96 73 60 52 54 78 84 90 90 76 62 57 60
Wind dir             E  N NW NW NE SE SE SW SW SE SE SE SE SE SE SE  S  S  S SE
Wind spd             3  4  4  4  3  2  2  2  3  4  5  6  6  6  6  5  9  9 11  9
Clouds              OV OV B2 B1 SC SC SC B1 B1 SC SC SC B1 B2 B2 B2 B1 B1 SC B1
PoP 12hr                     30          10          10          50          30
QPF 12hr                      0           0           0        0.16        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  S  S
Tstms                                                 S  S  C  C  C  C  S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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    85      65    84      64    84      61    81
Temp          68 65 81 83   69 67 81 82   68 66 82 81   66 63 79 78
Dewpt         64 63 67 66   63 63 67 64   63 61 61 59   59 58 59 57
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         40    30      30    30      30    10       5     5
Rain shwrs        C  C  S    S  C  C  C    C
Tstms             C  C  S    S  C  C  C    C

$$
IAZ004-212200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      66          53          79          60          81
Temp                58 61 64 66 61 57 54 55 65 74 79 78 70 65 62 60 69 76 81 77
Dewpt               55 56 56 56 56 55 54 53 57 58 57 58 60 60 60 60 62 64 63 63
RH                  90 84 75 70 84 93100 93 75 57 47 50 71 84 93100 78 66 54 62
Wind dir             E  E  E NE  E SE  S  S SE SE  S SE SE SE SE SE  S  S  S SE
Wind spd             5  4  3  4  4  4  3  3  4  5  6  6  5  8  8  9 10 11 12 10
Clouds              OV OV OV B2 B1 SC SC B1 SC SC SC B1 B1 B2 OV OV B2 B2 B1 B2
PoP 12hr                     40           5           5          90          70
QPF 12hr                   0.01           0           0        1.01        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S                             C  C  D  D  L  L  C  C  C
Tstms                                                 C  C  D  D  L  L  C  C  C
Obvis               PF


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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          63    83      64    84      61    81      59    78
Temp          66 63 80 80   70 65 81 81   68 62 79 78   64 60 75 76
Dewpt         63 61 65 64   62 61 63 60   58 56 58 56   56 55 56 53
PWind dir        SE     S       S    SW       W    NW      NW     N
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC FW FW
PoP 12hr         40    30      40    10      10    10       5     0
Rain shwrs     C  C  S  C    C  S
Tstms          C  C  S  C    C  S

$$
IAZ035-212200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      69          54          81          62          83
Temp                59 63 68 68 62 57 55 55 66 76 80 79 69 66 63 63 70 80 83 80
Dewpt               56 57 58 58 56 54 55 54 59 60 60 60 61 61 61 61 64 66 65 64
RH                  90 81 70 70 81 90100 96 78 58 51 52 76 84 93 93 81 62 55 58
Wind dir             E NE  N NE  E SE SE  S  S  S  S SE SE SE SE SE  S  S  S SE
Wind spd             5  3  3  4  3  3  3  3  4  5  6  6  6  8  8  8  9 10 11 10
Clouds              OV OV B2 B1 B1 SC SC B1 B1 SC SC B1 B1 B2 B2 B2 B1 B1 SC B1
PoP 12hr                     30          10          10          80          50
QPF 12hr                      0           0           0        0.23        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  D  D  C  C  C  C  C
Tstms                                                 C  C  D  D  C  C  C  C  C
Obvis               PF


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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    84      65    83      63    83      60    80
Temp          68 66 81 82   69 67 81 80   68 65 81 79   65 61 77 77
Dewpt         64 63 66 65   63 63 65 62   61 60 60 58   58 57 58 55
PWind dir        SE     S       S    SW      SW    NW      NW     N
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B1 B1   B2 B1 B1 SC   SC SC SC SC   SC FW FW FW
PoP 12hr         40    30      40    20      30    10       5     5
Rain shwrs     C  C  C  S    C  C  S  S    C
Tstms          C  C  C  S    C  C  S  S    C

$$
IAZ094-212200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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          59          83          63          85
Temp                65 69 73 73 66 62 60 60 73 80 83 80 71 66 64 64 76 83 85 82
Dewpt               61 61 61 60 59 58 58 57 62 63 63 64 62 61 60 61 65 67 66 66
RH                  87 76 66 64 78 87 93 90 68 56 51 58 73 84 87 90 69 59 53 58
Wind dir             W  W  W  W SW  S  S  S  S  S  S SE SE SE SE SE  S  S  S  S
Wind spd             4  6  6  4  3  3  2  3  4  4  6  6  5  5  5  5  8  9 10  8
Clouds              B2 B2 B1 SC SC SC SC B1 SC SC SC SC FW SC SC B1 SC SC SC B1
PoP 12hr                      5          10          10          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S        S  S
Tstms                                                       S  S        S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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          66    85      66    84      65    86      63    83
Temp          71 67 83 82   71 68 83 80   70 66 84 81   68 65 81 79
Dewpt         64 63 68 66   64 64 69 67   66 63 66 63   59 59 62 60
PWind dir         S     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC B1 B1 SC   SC B1 B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         20    20      10    40      30    20       5     5
Rain shwrs        S  S  S          C  C    C  S  S
Tstms             S  S  S          C  C    C  S  S

$$
IAZ017-212200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      65          54          78          61          81
Temp                57 61 64 64 59 57 54 55 66 73 77 76 66 63 61 62 68 76 81 78
Dewpt               54 55 56 56 54 53 53 54 58 58 58 58 59 59 58 59 62 64 65 65
RH                  90 81 75 75 83 86 96 96 75 59 52 54 78 87 90 90 81 66 58 64
Wind dir             E  E  E  E  E SE SW SW NW  S  S SE SE SE SE SE SE  S  S SE
Wind spd             6  5  4  4  3  2  2  3  3  4  4  4  5  5  6  6 10 10 10  9
Clouds              OV OV OV B2 B2 B1 B1 B1 SC SC SC SC SC B2 OV OV OV B2 B1 B2
PoP 12hr                     70          10           5          80          70
QPF 12hr                   0.01           0           0        0.61        0.16
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                                S  S  D  D  L  L  C  C  C
Tstms                                                 S  S  D  D  L  L  C  C  C


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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          63    84      65    84      63    82      60    79
Temp          66 64 81 81   68 67 82 81   66 65 80 78   64 61 76 76
Dewpt         63 62 66 65   63 63 66 63   61 60 61 59   58 57 57 55
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   SC FW FW FW
PoP 12hr         50    30      30    20      20    10       5     5
Rain shwrs     C  C  C  C    S  C  S  S    S
Tstms          C  C  C  C    S  C  S  S    S

$$
IAZ049-212200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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                      68          54          79          61          82
Temp                57 62 67 67 61 58 55 56 67 75 78 77 67 64 62 62 71 79 82 79
Dewpt               55 57 58 57 57 55 54 55 58 60 59 59 60 60 59 60 63 65 65 64
RH                  93 84 73 70 87 90 96 96 73 60 52 54 78 87 90 93 76 62 56 60
Wind dir             E NE NW  N  E  E NW  W NW NW SW SE SE SE SE SE SE  S  S SE
Wind spd             6  4  4  5  4  3  3  3  3  4  4  5  5  6  6  5  9  9 10  9
Clouds              OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B2 B2 B1 B1 SC B1
PoP 12hr                     60           5           5          50          40
QPF 12hr                   0.01           0           0        0.12        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S                                      C  C  C  C  S  S
Tstms                                                       C  C  C  C  S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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    84      65    83      64    84      61    81
Temp          67 65 81 81   69 66 81 81   68 66 82 80   66 63 79 77
Dewpt         63 62 66 65   63 63 66 64   63 62 62 60   59 58 59 57
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         30    30      20    30      30    10      10     5
Rain shwrs        C  C  C       S  C  C    C  S
Tstms             C  C  C       S  C  C    C  S

$$
IAZ086-212200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
750 AM CDT Mon May 21 2018

Date             Mon 05/21/18            Tue 05/22/18            Wed 05/23/18
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          58          80          62          84
Temp                62 67 72 72 65 61 58 60 69 77 79 78 68 66 62 65 74 82 84 82
Dewpt               60 61 62 61 59 58 57 57 60 62 61 63 61 60 60 60 64 65 66 66
RH                  93 81 71 68 81 90 96 90 73 60 54 60 78 81 93 84 71 56 55 58
Wind dir             E NW NW NW NW NW NW NW NW  N  N  E  E SE SE SE SE  S SE SE
Wind spd             4  5  6  5  4  4  4  3  4  4  4  4  5  5  5  6  8  8  8  6
Clouds              OV B2 B2 B1 B1 SC SC SC SC SC B1 SC SC SC B1 B1 SC B1 SC SC
PoP 12hr                     40           5           5          20          20
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  S  S  S  S
Tstms                                                       S  S  S  S  S  S


Date          Thu 05/24/18  Fri 05/25/18  Sat 05/26/18  Sun 05/27/18
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    84      67    85      66    85      64    82
Temp          69 67 82 81   71 68 83 82   70 68 83 80   68 65 80 79
Dewpt         63 63 68 67   64 64 69 67   65 64 66 64   60 60 62 61
PWind dir        SE     S       S    SW      SW     W      NW     N
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC B1 B1 B1   B1 B1 B1 B1   B1 B1 SC SC   SC SC FW FW
PoP 12hr         20    30       5    50      30    20       5     5
Rain shwrs        S  C  C          C  C    C  S  S  S
Tstms             S  C  C          C  C    C  S  S  S

$$



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