Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
359 PM CDT Fri Apr 19 2024

IAZ060-200900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      32          52          30          61          37
Temp          57 52 44 38 34 32 41 47 51 51 44 38 33 31 46 56 60 59 48 42 39 38
Dewpt         25 22 23 23 22 21 22 24 25 24 26 26 25 25 26 25 26 27 26 27 28 29
RH            29 31 43 54 61 63 46 40 36 34 49 62 72 78 45 30 27 29 42 55 64 70
Wind dir      NW NW NW NW NW NW NW NW NW NW  W  W  W  W NW NW  W  W SW SW  S  S
Wind spd      19 18 10  9 10 10 14 14 14 12  6  6  5  5  8 10 10  8  5  5  6 10
Wind gust           24 19
Clouds        FW FW FW CL CL CL FW B1 SC SC SC FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          38 31 26 23 33                   25                      32
Min chill              30    22    25          32    24    30          37    30
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      49    65      39    63      43    65      49    66
Temp          63 66   57 49 61 61   48 40 59 60   48 45 59 62   54 50 62 63
Dewpt         37 39   38 41 42 37   34 32 33 33   33 35 39 39   42 44 48 46
PWind dir         S      SW     W       N    NE      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B1   B2 B1 B1 SC   SC FW FW SC   SC B1 B1 B1   B2 B2 B1 B1
PoP 12hr         20      60    40       0     0      10    40      60    70
Rain shwrs        S    C  L  C                           C  C    C  L  L  L
Tstms                  S  S  S                              S    C  C  C  C

$$
IAZ039-200900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      30          51          29          61          34
Temp          52 48 39 34 31 31 39 44 49 48 40 34 30 29 46 56 59 57 47 41 37 36
Dewpt         25 21 23 23 22 22 24 26 26 26 26 25 24 24 27 27 28 28 28 28 27 28
RH            35 34 52 64 69 69 54 49 40 42 57 69 78 81 47 32 30 33 47 59 67 72
Wind dir       W NW NW  W  W NW NW NW NW NW  W  W  W  W NW  W  W  W SW SW SW  S
Wind spd      25 20 11 11 11 12 17 17 16 13  5  5  5  5 10 13 13  9  5  5  5  8
Wind gust     35    21    24 24
Clouds        FW SC SC CL CL FW SC B1 SC SC FW FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          32 25 21 21 30 37             24 23                      30
Min chill        39    24    20    23    38    28    21    27          35    29
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      47    64      36    61      39    64      45    64
Temp          62 63   53 48 60 57   43 37 56 58   44 40 59 59   49 46 60 61
Dewpt         36 39   40 41 40 36   33 29 31 31   32 31 36 37   37 39 45 45
PWind dir         S      SW     W       N    NE      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B2   B2 B1 B1 SC   SC FW FW SC   SC SC B1 B1   B2 B2 B2 B1
PoP 12hr         30      60    50       0     0       5    30      60    70
Rain shwrs        C    L  C  C  S                           C    C  L  L  L
Tstms                  S  S  S  S                                S  S  S  S

$$
IAZ048-200900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      30          52          29          61          35
Temp          54 50 41 34 31 30 40 45 50 50 41 35 32 29 45 55 59 58 47 41 37 37
Dewpt         26 22 24 23 22 22 23 25 26 26 27 27 26 25 27 27 27 27 27 27 28 29
RH            34 33 50 64 69 72 50 45 39 39 57 72 78 85 49 34 29 30 45 57 70 72
Wind dir      NW NW NW  W NW NW NW NW NW NW  W  W NW  W NW  W  W  W SW SW  S  S
Wind spd      23 19 11 11 12 12 16 16 14 12  6  6  5  5  9 10 10  8  4  5  5  9
Wind gust           23
Clouds        CL FW CL CL CL CL FW B1 SC SC FW FW CL CL CL CL CL CL CL FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Wind chill          34 26 21 20 31 39             26 23                      30
Min chill              26    20    22          30    23    28          36    29
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      47    65      36    63      41    64      47    66
Temp          62 65   54 48 61 59   45 38 58 60   46 42 59 60   50 48 61 62
Dewpt         38 40   40 41 40 35   34 32 33 32   34 34 39 39   42 43 48 46
PWind dir         S      SW    NW       N    NE      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B2   B2 B1 B1 SC   SC FW FW SC   SC B1 B2 B2   B2 B2 B1 B1
PoP 12hr         30      60    40       0     0      10    40      60    70
Rain shwrs     S  C    C  L  C                           S  C    C  L  L  L
Tstms                  S  S  S                              S    C  C  S  C

$$
IAZ004-200900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      28          50          27          60          37
Temp          45 41 34 30 29 28 37 43 48 48 37 32 29 27 43 54 58 56 45 40 39 38
Dewpt         24 19 20 21 20 20 23 24 23 22 23 23 22 22 24 24 25 24 26 26 26 28
RH            43 41 56 69 69 71 56 47 37 35 56 69 75 81 47 31 28 29 47 57 59 67
Wind dir      NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W SW  S  S  S
Wind spd      31 25 13 16 17 16 18 18 17 13  8  8  8  9 11 12 12 10  6  9 11 13
Wind gust              27
Clouds        B1 B1 FW CL FW FW SC SC SC SC FW CL CL CL CL CL CL CL FW FW SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Wind chill    34 30 25 19 17 16 27 35          25 21 18 37             34 32 30
Min chill        29    19    16    18    37    23    17    23          34    29
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      43    60      34    61      41    62      45    62
Temp          60 64   50 45 56 54   41 36 54 58   44 42 57 58   49 46 57 58
Dewpt         39 42   38 35 35 33   32 30 31 30   31 33 37 39   39 41 45 43
PWind dir         S       W    NW       N    SE      SE    SE      SE    SE
Wind char        WY      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B1 B2   B1 B1 B1 SC   SC FW FW SC   SC B1 B2 B1   B1 B2 B2 B2
PoP 12hr         50      40    30       0     0      10    30      60    70
Rain shwrs     S  C    C  C  C  C                        S  C    C  L  L  L
Tstms                                                       S    S  S     S

$$
IAZ035-200900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      28          51          28          61          34
Temp          50 47 38 32 30 29 38 45 49 49 40 34 30 28 45 55 59 57 46 39 37 37
Dewpt         23 20 22 21 21 21 23 25 26 24 25 26 24 24 25 25 25 25 25 26 26 29
RH            34 34 52 63 69 72 54 45 40 37 55 72 78 85 45 31 27 29 43 59 64 72
Wind dir       W NW NW NW NW NW NW NW NW NW  W  W  W  W NW  W  W  W SW  S  S  S
Wind spd      24 24  9 11 12 13 16 17 14 12  8  6  5  5  9 11 11  8  5  5  6 10
Clouds        FW FW FW CL CL FW FW SC SC SC SC FW CL CL CL CL CL CL FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Wind chill       39 31 23 20 18 29 37       34    24 22                      30
Min chill        38    23    17    19    39    28    22    27          34    29
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      46    63      35    62      41    63      45    65
Temp          62 65   52 46 58 57   43 37 57 59   45 42 58 59   49 47 60 61
Dewpt         38 40   39 39 37 33   33 31 31 30   32 34 39 39   40 43 47 45
PWind dir         S      SW    NW       N     E      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B1 B2   B1 B1 B1 SC   SC FW FW SC   SC B1 B2 B2   B2 B2 B2 B1
PoP 12hr         40      50    30       0     0      10    40      60    70
Rain shwrs     S  C    C  C  C  S                        S  C    C  L  L  L
Tstms                     S  S  S                           S    C  S  S  S

$$
IAZ094-200900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      32          52          31          59          37
Temp          56 53 44 38 34 32 41 47 51 50 42 37 33 31 46 55 58 56 47 42 39 38
Dewpt         28 31 29 26 24 23 23 25 26 27 27 27 26 25 30 29 29 30 29 29 29 30
RH            34 43 55 62 66 69 48 42 37 41 55 67 75 78 53 37 33 37 49 60 67 73
Wind dir      NW NW NW  N NW NW NW NW NW NW NW NW  W NW NW NW NW  W SW SW  S  S
Wind spd      16 10  8  9  8  8 14 13 13 10  6  6  5  5  8 10 10  6  5  5  5  9
Clouds        B1 SC SC FW FW FW FW FW B1 B1 SC FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             32 27 25 33                27                         32
Min chill              32    24    26          31    24    30          37    31
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      49    66      39    63      44    64      50    68
Temp          63 65   56 50 63 61   48 41 59 60   48 46 60 61   54 52 63 64
Dewpt         39 40   41 42 44 39   36 34 36 35   36 37 42 42   45 47 52 51
PWind dir         S      SW     W       N    NE       E    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B1   B2 B2 B1 SC   FW FW FW SC   SC B1 B1 B1   B1 B1 B1 B1
PoP 12hr         10      50    40       0     5      20    50      70    70
Rain shwrs             C  C  C                        S  C  C    L  L  L  L
Tstms                     S                                 S    C  C  C  S

$$
IAZ017-200900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      28          49          27          59          34
Temp          47 43 34 30 28 28 36 42 47 46 36 31 28 29 44 53 58 56 44 39 36 36
Dewpt         25 21 22 21 20 21 23 25 25 24 24 23 22 23 26 27 26 26 27 26 26 27
RH            42 41 61 69 71 75 59 50 42 42 61 72 78 78 49 36 29 31 51 59 67 69
Wind dir      NW NW  W  W NW NW NW NW NW NW  W  W  W  W NW  W  W  W SW SW  S  S
Wind spd      31 24 12 14 16 17 19 18 17 13  6  6  8  8 10 12 12  9  6  6  6 10
Wind gust              25 26
Clouds        SC SC FW FW CL FW SC SC SC FW FW CL CL CL CL CL CL CL CL FW FW SC
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Wind chill    37 33 25 19 16 16 25 33       30 24 20 21                   30 29
Min chill        32    18    16    17    35    23    19    25          34    27
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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          64      43    61      33    59      38    62      43    63
Temp          60 61   50 44 56 54   41 34 54 56   41 39 57 57   47 45 57 58
Dewpt         37 40   39 39 37 34   31 28 30 29   30 31 36 36   37 39 45 44
PWind dir         S      SW    NW       N     E      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B2   B1 B1 B1 SC   FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2
PoP 12hr         40      60    40       0     0       5    30      60    70
Rain shwrs     S  C    L  C  C  S                           C    C  L  L  L
Tstms                  S  S                                      S  S     S

$$
IAZ049-200900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      28          51          28          60          33
Temp          54 49 39 33 30 29 39 44 49 48 39 33 29 28 45 54 58 56 44 39 35 35
Dewpt         27 21 22 22 21 21 22 25 26 25 26 25 24 24 27 27 27 28 27 26 26 28
RH            35 33 50 63 69 72 50 47 40 40 59 72 81 85 49 35 30 34 51 59 69 75
Wind dir      NW NW NW  W NW NW NW NW NW NW  W  W  W  W NW  W  W  W SW SW SW  S
Wind spd      24 21 12 11 11 11 18 17 14 12  5  5  5  5  9 10 10  6  5  5  5  8
Wind gust           24
Clouds        FW FW FW CL CL CL SC B1 SC SC FW FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          31 24 20 19 30 37             23 22                      28
Min chill              24    18    22    39    28    21    27          35    27
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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    64      36    61      39    64      44    65
Temp          61 63   53 47 60 57   43 37 56 57   44 40 58 59   49 46 60 61
Dewpt         37 39   39 41 41 36   33 30 31 32   32 33 37 37   40 41 47 46
PWind dir         S      SW     W       N    NE      SE    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B2   B2 B1 B1 SC   SC FW FW SC   SC SC B1 B1   B2 B1 B1 B1
PoP 12hr         30      60    50       0     0       5    30      60    70
Rain shwrs        C    L  L  C  S                        S  C    C  L  L  L
Tstms                  S  S  S  S                                C  C  S  S

$$
IAZ086-200900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
359 PM CDT Fri Apr 19 2024

Date           04/19/24      Sat 04/20/24            Sun 04/21/24            Mon
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                      31          52          28          60          36
Temp          57 53 44 37 34 32 41 46 50 49 41 35 31 29 45 55 58 57 47 41 38 38
Dewpt         30 25 26 26 25 24 24 26 26 27 27 28 27 27 29 28 28 30 28 28 29 30
RH            35 33 49 64 69 72 50 45 39 42 57 75 85 92 53 35 32 35 47 59 70 73
Wind dir       W NW NW NW  W NW NW NW NW NW NW  W  W  W NW NW NW  W SW SW SW  S
Wind spd      18 14 10  9 10  9 16 16 14 12  6  5  5  6  9 10 10  6  5  5  5  8
Wind gust                    19
Clouds        B1 SC FW CL FW CL FW SC SC SC FW FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          38 31 26 24 33                25 22                      32
Min chill              30    22    24          29    21    27          37    31
Freeze                  W  W  W


Date           04/22  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24  Fri 04/26/24
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      51    66      39    62      42    65      49    66
Temp          63 64   56 52 61 61   49 41 58 60   46 44 60 62   53 50 61 63
Dewpt         37 39   40 42 45 40   36 34 35 35   34 36 40 40   42 45 49 49
PWind dir         S      SW     W      NW    NE       E    SE      SE    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B1   B2 B2 B1 SC   SC FW FW FW   SC B1 B1 B1   B1 B1 B1 B1
PoP 12hr         10      50    60       5     0      10    30      60    70
Rain shwrs             C  C  L  S                        S  C    C  L  L  L
Tstms                  S  S     S                                C  C  S  C

$$


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