Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
622 PM CST Sun Feb 25 2018

IAZ060-261000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      25          54          33          54          31
Temp                33 31 28 26 33 50 53 45 37 34 33 34 42 54 51 50 41 36 32 32
Dewpt               27 25 22 20 22 26 29 29 28 28 29 30 35 38 39 37 36 32 30 30
RH                  78 78 78 78 63 39 39 53 70 78 85 85 76 54 63 61 82 85 92 92
Wind dir             S SW SW SW SW SW  S  S  S  S  S  S  S SW SW NW  N  N  N  N
Wind spd             3  4  4  4  5 10 11  9  8  8  8  8  9 11  6  6  5  4  5  5
Clouds              FW FW CL CL FW FW CL CL CL CL FW FW SC B1 B2 B1 B1 B1 B1 B1
PoP 12hr                      0           0           0          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Sleet                                                                         S
Wind chill                   20             31 27 26 27                      26
Min chill        35    25    19    22    39    26    26    28          30    25


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          49      30    41      24    45      31    52      36    48
Temp          47 48 37   31 40 37 28   26 43 42 32   31 48 48 37   36 45 46
Dewpt         35 36 32   27 27 25 21   20 26 28 25   26 31 32 30   29 33 32
PWind dir        NE       N    NW       N     E       E    SE      SE    SE
Wind char        LT      GN    BZ      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 SC FW   FW SC SC FW   FW FW FW FW   SC B1 B1
PoP 12hr         60      70    10       0     0       0     5       5    20
Rain           S  L  L    C                                            S  S
Snow                      C                                            S

$$
IAZ039-261000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      20          46          30          48          29
Temp                28 25 24 21 27 38 45 40 34 33 31 31 36 47 46 43 38 33 31 29
Dewpt               23 22 21 19 21 29 32 29 28 27 28 29 33 36 37 35 35 30 29 27
RH                  81 88 88 92 78 70 60 64 78 78 88 92 89 65 71 73 89 89 92 92
Wind dir            SW SW  S  S  S  S  S  S  S  S  S  S  S  S SW NW  N  N  N  N
Wind spd             5  3  2  2  5  8  9  9 10  9  8  6  6  8  5  5  6  5  5  5
Clouds              CL CL CL FW FW FW FW FW FW CL FW FW SC B1 OV B2 B2 B1 B2 B1
PoP 12hr                      0           0           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S
Wind chill          21          20 32    34 27 25 23 24 30                25 22
Min chill        23    19    18    17    32    24    22    24    39    26    21


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          45      30    38      22    40      25    44      28    43
Temp          44 44 36   30 38 35 27   23 39 36 29   26 42 41 32   29 41 42
Dewpt         32 36 33   28 29 28 22   19 25 26 24   23 27 30 27   26 30 31
PWind dir        NE      NE     N      NW    NE       E    SE      SE    SE
Wind char        LT      GN    WY      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 B1 SC   FW SC SC SC   SC FW FW SC   B1 B1 B1
PoP 12hr         30      70    40       5     0       5     5       5    30
Rain              C  L    L  C                                         S  C
Snow                      L  C                                         S

$$
IAZ048-261000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      21          49          30          49          28
Temp                31 29 26 22 30 44 48 40 34 32 31 31 38 49 46 44 38 32 30 28
Dewpt               26 25 21 19 21 28 31 29 29 28 28 29 33 36 38 36 33 29 28 27
RH                  81 85 81 88 69 53 51 64 82 85 88 92 82 61 73 73 82 88 92 96
Wind dir            SW SW SW  S  S  S  S  S  S  S  S  S  S  S SW NW  N  N  N  N
Wind spd             4  3  3  3  5  9 10  9  9  8  6  6  6  9  4  6  6  5  5  6
Clouds              CL CL FW FW CL CL CL FW CL CL FW FW SC B1 B2 B2 B1 B1 B1 B1
PoP 12hr                      0           0           0          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                      23       34 27 25 23 24 32             26 24 21
Min chill        31    23    16    17    32    24    22    24    39    24    21


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          45      29    38      22    43      27    48      32    46
Temp          45 45 35   29 38 34 25   24 41 40 30   29 45 45 35   32 44 44
Dewpt         32 34 31   26 26 25 20   18 25 28 25   24 30 31 29   28 33 31
PWind dir        NE       N    NW       N     E       E    SE      SE    SE
Wind char        LT      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2   B2 B1 SC FW   FW SC SC SC   FW FW FW SC   SC B1 B1
PoP 12hr         60      60    20       0     0       0     5       5    30
Rain              L  L       S                                         C
Snow                      C  S                                         C

$$
IAZ004-261000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      14          39          22          35          15
Temp                22 19 17 16 21 33 38 35 31 28 25 22 25 31 35 28 24 17 20 15
Dewpt               17 15 13 12 16 25 31 28 27 26 24 21 23 28 29 26 23 17 20 15
RH                  81 84 84 84 81 72 76 75 85 92 96 96 92 88 78 92 96100100100
Wind dir            SW SW SW SW  S  S  S  S  S SW SW SW NW  N  N  N  N  N  N  N
Wind spd            10  9  8  9 10 12 13 13 12 11  8  6  4  6  8  6  6  5  5  5
Clouds              CL CL CL CL CL CL FW FW FW FW FW SC SC B1 B1 B1 B1 SC B1 B1
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          11  8  7  4 10 24 30 26 21 18 17 14 19 24 28 21 16  9 12  6
Min chill        13     8     4     4    26    18    14    15    21     9     6


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          33      20    31      14    34      21    38      25    38
Temp          27 30 24   21 29 29 17   17 31 32 24   23 35 37 27   26 35 37
Dewpt         24 26 22   19 24 21 12   12 24 24 20   21 28 28 25   25 27 29
PWind dir        NE       N    NW       N     E      SE    SE      SE    SE
Wind char        LT      GN    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B1 B2 B2   B1 SC SC SC   SC B1 B1 SC   SC SC SC SC   B1 B2 B1
PoP 12hr         20      30    10       0     0       0     5      30    20
Rain                                                                      S
Snow              S  C    C                                         C  S  S

$$
IAZ035-261000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      16          41          28          42          21
Temp                24 21 19 20 25 37 40 37 34 33 30 28 32 41 40 37 28 25 25 21
Dewpt               19 16 14 15 19 28 33 29 29 27 27 26 30 33 34 31 27 24 25 21
RH                  81 81 80 81 78 70 76 72 82 78 88 92 92 73 79 79 96 96100100
Wind dir            SW SW  S  S  S  S  S  S  S  S  S  S  S  S  N  N  N  N  N NE
Wind spd             5  5  4  5  8 10 10 11 11 11  8  6  5  5  5  6  6  5  6  5
Clouds              CL CL CL CL CL CL FW FW CL FW FW FW SC B1 B2 B1 SC SC B1 B1
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          17 13 11 12 16 30 33 29 26 24 22 21 26          21 18 17 13
Min chill        22    12    10    12    28    23    19    20    30    16    13


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          39      24    35      17    39      25    44      28    42
Temp          36 38 30   25 34 31 20   19 36 36 28   27 41 42 33   29 41 40
Dewpt         29 30 27   22 26 24 16   15 26 26 23   22 30 30 28   26 31 30
PWind dir        NE       N    NW       N     E      SE    SE      SE     E
Wind char        LT      GN    BZ      LT    GN      GN    BZ      GN    GN
Avg clouds    B1 B2 B2   B1 SC SC FW   SC SC SC SC   SC SC FW SC   B1 B1 B1
PoP 12hr         50      50    10       0     0       0     5      10    20
Rain              C  C                                                 S
Snow              C  C    C                                            S

$$
IAZ094-261000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      26          55          34          58          36
Temp                35 32 29 27 36 51 54 47 39 35 35 35 44 56 57 55 46 41 39 36
Dewpt               23 23 22 21 22 25 28 27 28 28 30 30 36 38 39 39 38 37 36 35
RH                  61 69 75 78 56 36 36 45 64 75 82 82 73 51 51 55 73 85 89 96
Wind dir            SW SW SW SW SW SW  S  S  S  S  S  S  S SW SW SW SW SW  N NE
Wind spd             6  6  5  5  8 10 11  9  9  8  9 10 13 14 12  9  6  5  4  5
Wind gust                                               26 27
Clouds              FW FW CL CL CL CL CL CL CL FW FW FW FW SC B2 B2 B1 B1 B2 B1
PoP 12hr                      0           0           0           5          20
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    S  S  S
Wind chill          29 26 23 20 30          33 29 27 27 38
Min chill        35    25    19    21          28    25    28          36    30


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          51      31    43      25    47      31    54      36    50
Temp          50 50 38   31 42 40 28   27 45 45 35   33 50 50 39   36 48 48
Dewpt         39 40 33   28 27 25 21   20 27 28 25   26 33 33 31   30 34 33
PWind dir        NE       N    NW       N     E      SE    SE      SE    SE
Wind char        LT      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 OV B2   B2 SC FW FW   FW SC FW FW   FW FW FW FW   SC B1 B1
PoP 12hr         70      70    10       0     0       0     5       5    20
Rain           S  L  L    C                                            S  S
Snow                      C                                            S

$$
IAZ017-261000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      15          40          26          40          21
Temp                23 21 18 17 23 36 39 35 33 31 29 26 30 38 39 33 30 24 24 21
Dewpt               20 18 15 14 19 27 31 29 28 27 27 26 29 32 33 30 27 23 24 21
RH                  88 88 88 88 84 69 73 78 82 85 92100 96 79 79 89 88 96100100
Wind dir            SW SW SW  S  S  S  S  S  S  S SW SW  S  S  N  N  N  N  N  N
Wind spd             9  6  5  5  8 10 11 10 12 11 10  8  5  4  5  6  6  6  6  6
Wind gust                                   23
Clouds              CL CL CL CL CL CL FW FW FW FW FW FW SC B1 B2 B1 B1 SC B1 B1
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          13 12 10  9 14 29 32 28 24 22 20 18 24       27 23 16 16 13
Min chill        16    11     9    10    27    21    18    18    27    15    12


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          38      26    33      17    36      23    40      27    40
Temp          36 36 30   26 33 30 22   18 34 33 27   24 38 38 30   28 39 37
Dewpt         29 30 27   25 27 24 18   15 24 25 22   21 28 29 26   25 30 29
PWind dir        NE       N    NW       N     E       E    SE      SE    SE
Wind char        LT      GN    BZ      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B2 B2   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr         30      50    20       0     0       5     5      10    30
Rain              C  C                                                 C
Snow              S  C    C  S                                         C

$$
IAZ049-261000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      22          50          30          50          28
Temp                30 27 25 23 29 45 49 40 34 31 30 31 39 50 46 44 38 33 29 29
Dewpt               26 24 21 20 21 26 31 29 28 28 28 30 34 37 38 36 35 31 28 28
RH                  85 88 84 88 72 47 50 64 78 88 92 96 82 61 73 73 89 92 96 96
Wind dir            SW  S SW  S  S  S  S  S  S  S  S  S  S  S SW NW  N  N  N  N
Wind spd             4  4  3  4  5  9 10  9  9  9  8  8  9 10  6  6  6  6  5  6
Clouds              CL CL FW FW CL CL CL FW CL CL FW FW SC B1 B2 B2 B2 B1 B1 B1
PoP 12hr                      0           0           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S
Wind chill                   17 23       34 26 23 23 24 33             27 23 22
Min chill        28    22    17    18    33    23    22    25    38    26    21


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          46      28    39      22    41      25    45      29    44
Temp          45 45 36   29 38 34 26   23 39 37 28   27 43 42 33   30 43 42
Dewpt         33 36 33   27 27 26 22   19 25 27 24   23 29 31 28   27 32 31
PWind dir        NE       N    NW      NW     E       E    SE      SE    SE
Wind char        LT      GN    WY      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 SC SC   FW SC SC SC   SC FW FW SC   SC B1 B1
PoP 12hr         40      80    20       5     0       5     5       5    30
Rain              C  D    L  S                                         S  C
Snow                      L  S                                         S

$$
IAZ086-261000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
622 PM CST Sun Feb 25 2018

Date           02/25/18      Mon 02/26/18            Tue 02/27/18            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      27          57          34          59          37
Temp                36 33 30 27 37 53 56 47 38 35 35 35 44 56 59 53 48 44 42 37
Dewpt               26 25 24 22 24 27 29 28 28 28 29 30 36 39 39 40 40 38 38 36
RH                  67 72 78 81 59 36 35 47 67 75 78 82 73 53 47 61 74 79 86 96
Wind dir            SW SW SW SW SW SW  S  S  S  S  S  S  S  S SW SW SW SW NW  N
Wind spd             5  5  4  4  6 10 10  8  8  8 10 10 11 14 12  9  6  6  4  5
Wind gust                                               21 26
Clouds              FW CL CL CL CL CL CL CL CL CL CL FW FW FW B1 B2 B2 B2 B2 B1
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Wind chill                24                32 28 28 27 38
Min chill        38    28    22    23          28    25    29          39    31


Date           02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18  Sun 03/04/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          53      34    43      26    46      29    50      35    49
Temp          52 52 44   34 42 40 30   28 45 42 32   31 48 47 38   35 47 46
Dewpt         41 41 39   31 30 27 23   22 27 28 25   26 31 31 30   29 34 33
PWind dir        NE       N    NW      NW    NE       E    SE      SE    SE
Wind char        LT      GN    WY      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 SC SC   FW FW FW FW   FW FW FW FW   SC B1 B1
PoP 12hr         50      90    20       5     0       0     5       5    20
Rain           S  C  D    L  S                                         S  S
Snow                      L  S                                         S

$$



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