Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
845 PM CST Fri Feb 7 2025

IAZ060-081000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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          36          13          29          16
Temp                30 30 29 27 29 35 35 31 24 19 15 13 15 24 28 26 22 20 18 17
Dewpt               17 18 20 22 25 25 23 20 15 11  5  3  3  3  3  3  4  5  6  6
RH                  58 60 69 81 85 66 61 63 68 70 64 63 58 39 33 36 45 51 59 61
Wind dir            SE SE  E  E NW NW NW NW  N  N  N  N  N NW NW NW SW SW  W NW
Wind spd             9  9  6  5  5 13 17 14 13 11  8  5  4  2  2  2  2  2  2  2
Clouds              B1 OV OV OV B2 B2 B2 SC FW FW SC B1 B2 B2 B1 SC FW FW FW SC
PoP 12hr                     30          30           0           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C  C
Wind chill          22 21 23 21 23 26 25 20 12  7  3  3  8
Min chill              20    20    20    20     7     0     1    22    15    12


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          35       9    17       6    18       4    22       9    32
Temp          31 31 23   13 13 15 10    8 14 17 12    6 16 17 13   12 24 28
Dewpt         12 14 15    7  3  0  0   -1  6  9  6    3  9 10  8    9 18 21
PWind dir        NE      NE     N       N    NE       N    NW       S    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC B2 OV   OV B2 B2 B2   OV B2 B2 B2   SC SC SC SC   SC B1 B2
PoP 12hr          5      60    50      30    50      20    10      20    40
Snow                 C    L  C  S  S    C  C  C  S    S             S  C  C

$$
IAZ039-081000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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                      24          32           9          26          11
Temp                25 24 25 25 25 29 32 28 22 17 12  9 11 19 24 22 18 15 14 12
Dewpt               14 14 15 16 20 23 23 21 16 11  6  3  3  4  5  5  5  4  4  5
RH                  62 65 65 68 81 78 69 75 77 77 76 76 69 51 43 47 56 61 64 73
Wind dir             E SE  E  E  E NW NW NW NW NW NW NW NW NW  W  W  W SW  W NW
Wind spd             8  9  9  8  5  9 14 16 16 13 11  6  5  5  5  2  2  3  3  3
Clouds              B2 B2 OV OV OV OV B2 B2 B2 SC FW SC B1 B1 SC FW FW FW FW FW
PoP 12hr                     10          40           0           0           0
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                        C  S
Snow                                C
Wind chill          16 14 15 17 18 21 22 15  8  3 -2 -2  1 12 18           8  6
Min chill              14    14    14    13     2    -4    -3    13     9     3


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          30       5    15       4    19       3    21       6    27
Temp          25 26 17    8 11 11  7    5 14 15 10    5 16 16 10    9 21 24
Dewpt         11 11 10    1 -1 -2 -3   -4  3  5  6    2  7  7  5    5 14 18
PWind dir        NW       N     N       N    NE       N    NW       S    SE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW SC B2   B2 B2 B1 B2   B2 B2 B2 B2   SC SC SC SC   SC B1 B2
PoP 12hr          0      40    30      20    30      20    10      20    40
Snow                 C    C  C  S  S    S  C  C  S                  S  S  C

$$
IAZ048-081000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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          34          10          28          13
Temp                28 28 28 27 28 33 33 27 21 16 13 10 14 21 27 24 21 18 16 14
Dewpt               17 18 20 21 23 25 23 19 15  8  4  3  4  4  4  5  6  5  6  7
RH                  63 66 71 78 81 72 66 71 77 70 67 73 64 47 37 43 52 56 64 73
Wind dir            SE SE  E SE SW NW NW NW  N  N  N  N  N NW  W  W SW SW  W NW
Wind spd             9 10  6  5  5 13 18 16 14 12  9  5  4  3  3  2  2  2  2  2
Clouds              B2 OV OV OV OV B2 B2 B1 SC FW FW B1 B2 B2 B1 SC FW FW FW FW
PoP 12hr                     30          40           0           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C
Snow                             C
Wind chill          19 19 21 20 22 23 22 15  8  3  1  1  6
Min chill              17    17    17    13     2    -2     0    18    13     8


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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       5    15       4    17       2    22       7    30
Temp          28 29 18    8 10 12  7    5 12 14  9    4 15 16 10   10 23 26
Dewpt         12 13 12    2 -1 -1 -2   -3  4  8  5    2  8 10  8    8 18 21
PWind dir        NE       N     N       N    NE       N    NW       S    SE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC B2 OV   OV B2 B2 B2   B2 B2 B2 B2   SC SC SC SC   SC B1 B2
PoP 12hr          5      60    40      30    40      20    10      20    40
Snow                 C    L  C  S  S    C  C  C  S                  S  C  C

$$
IAZ004-081000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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          26           2          27           4
Temp                26 25 24 22 22 26 23 16 10  7  4  2  7 19 25 20 16 12  9  6
Dewpt               12 13 15 18 21 21 16 10  5  3  0 -2  1  6  9 10  8  7  5  3
RH                  55 60 68 84 96 81 74 77 80 83 83 83 76 56 50 64 70 80 83 87
Wind dir            SE SE SE  E  N  N NW NW NW NW NW NW  W  W  W SW  W  W NW  N
Wind spd            10  9 10  6  9 18 20 16 12  9  6  4  3  6  9  5  5  6  5  5
Clouds              B2 OV OV OV OV OV B2 SC FW FW FW SC SC SC FW FW CL CL FW FW
PoP 12hr                     90         100           0           0           0
QPF 12hr                   0.04        0.07           0           0           0
Snow 12hr                     1           1       00-00
Snow                    S  L  D  L  C
Wind chill          16 16 14 14 12 13  8  1 -5 -8 -8 -8  0 10 17 12  7  2 -1 -4
Min chill              14    11    10     0    -8    -9    -4    11     1    -4


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          22      -8     7      -6    14      -5    18       3    25
Temp          17 15  3   -6  1  2 -3   -4  8  9  2   -2 12 12  7    7 20 20
Dewpt          8  8 -1  -11 -8 -8 -9  -10 -2  0 -2   -6  3  4  2    3 13 15
PWind dir         N       N     N       N     W      NW     W       S    SE
Wind char        LT      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC B1 B2   B2 B1 B1 B2   B1 B1 B1 B1   SC FW SC SC   SC B1 B2
PoP 12hr         20      40    10       5    10      10     5      10    40
Snow              S  C    S                                            C  C

$$
IAZ035-081000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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                      24          31           6          28           8
Temp                26 26 26 25 26 31 31 23 16 11  8  6 10 20 27 23 19 15 13 10
Dewpt               14 16 18 20 24 24 21 15 10  5  3  1  3  5  6  7  7  7  7  7
RH                  60 65 71 81 92 75 66 71 77 76 79 79 73 51 40 50 59 70 76 87
Wind dir            SE SE  E SE NW NW NW NW NW  N  N NW NW  W  W SW SW  W  W  N
Wind spd             9 10  8  6  6 13 19 16 13 10  6  3  2  2  4  2  2  3  3  3
Clouds              B1 B2 OV OV OV OV B2 B1 FW FW FW SC B1 B1 SC FW FW FW FW FW
PoP 12hr                     40          50           0           0           0
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00           T       00-00
Frzg drzl                  S  S
Snow                          C  C  S
Wind chill          17 16 18 17 18 21 18  9  1 -3 -4 -2       21        9  7  4
Min chill              15    15    16     8    -4    -6    -1    18     8     2


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          30      -2    12      -1    17      -2    21       6    28
Temp          23 24 11    1  6  8  2    0 11 12  5    0 14 15  9    9 22 24
Dewpt         10 11  6   -5 -4 -5 -6   -7  1  5  2   -2  6  7  5    6 16 19
PWind dir         N       N     N       N    NE      NW     W       S    SE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW B2 OV   OV B2 B2 B2   B2 B2 B2 B1   SC FW FW SC   SC B1 B2
PoP 12hr         10      60    30      20    30      20    10      20    40
Snow                 L    L  C  S  S    S  C  C  S                  S  C  C

$$
IAZ094-081000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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                      29          38          17          32          19
Temp                33 32 29 29 31 37 37 31 25 21 19 17 19 26 31 28 24 22 21 20
Dewpt               18 21 24 26 27 27 25 21 18 15 11  6  5  6  5  6  8  9  9  8
RH                  53 63 81 88 85 67 61 66 74 77 70 61 54 42 32 38 50 57 59 59
Wind dir            SE SE SE NE NW NW NW NW  N  N  N  N  N  N  N  N  N  W NW  N
Wind spd             9  9  6  5  8 14 18 14 12 10  9  8  5  4  3  2  2  2  2  3
Wind gust           19 19
Clouds              B2 OV OV OV B2 B2 SC SC FW SC B1 B2 B2 OV B2 B1 SC SC SC SC
PoP 12hr                     30          30           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C  S
Wind chill          25 24 23    24 28 27 20 13 10  8  6 10
Min chill              22    22    22    19     9     4     5    23    18    14
Winter Weath               Y  Y


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          37      14    22       9    18       5    23      10    34
Temp          33 32 26   18 18 16 13   10 15 16 12    8 17 17 13   13 26 29
Dewpt         11 14 19   14  9  5  4    4 10 11  9    5 11 11 10   10 21 24
PWind dir         E      NE     N      NE    NE       N    NW       S    SE
Wind char        LT      GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B1 B2 OV   OV B2 B2 B2   OV B2 B2 B2   B1 SC SC SC   B1 B1 B2
PoP 12hr         10      60    60      30    60      30    10      20    30
Snow                 C    L  L  C  S    C  L  C  C    S             S  C  C

$$
IAZ017-081000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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          28           4          25           6
Temp                24 23 24 23 23 27 27 21 14  9  5  4  7 17 23 20 16 14 11  9
Dewpt               11 12 13 15 20 23 21 16 10  5  2 -1  1  4  5  6  6  6  6  5
RH                  57 62 62 71 88 85 78 81 84 83 87 79 76 56 45 54 64 70 80 83
Wind dir            SE SE  E  E  E NW NW NW NW NW NW NW NW  W  W SW SW  W  W NW
Wind spd             9 10  9  6  5 10 18 17 14 12 10  5  4  5  5  3  4  5  5  5
Clouds              B2 B2 B2 OV OV OV B2 B2 B1 FW FW FW SC SC FW FW FW FW FW FW
PoP 12hr                     40          80           0           0           0
QPF 12hr                      0        0.07           0           0           0
Snow 12hr                 00-00           1       00-00
Frzg drzl                     S
Snow                          C  D  C
Wind chill          14 12 14 15 15 17 14  6 -2 -8-11 -8 -3  9 16     9  5  2 -1
Min chill              11    12    12     5    -8   -12    -8    12     3    -2


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          25      -3     9      -3    16      -2    20       5    25
Temp          20 20  8    0  5  5  0   -1 10 12  5    0 13 14  7    7 20 21
Dewpt          9  9  3   -6 -6 -6 -7   -8 -1  2  1   -2  4  4  3    4 13 16
PWind dir         N       N     N       N     N      NW    NW       S    SE
Wind char        LT      GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC B2   B2 B1 B1 B2   B1 B1 B1 B1   SC SC SC SC   SC B1 B2
PoP 12hr          5      50    20      10    20      10     5      20    40
Snow                 C    C  S             S  S                     S  C  C

$$
IAZ049-081000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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                      24          33           9          27          11
Temp                24 24 25 25 27 31 33 27 22 16 12  9 12 20 25 22 19 16 14 13
Dewpt               15 16 17 19 21 24 23 20 15 10  5  1  3  3  4  4  4  3  4  5
RH                  68 71 71 78 78 75 66 74 74 77 73 69 66 47 40 45 51 56 64 70
Wind dir            SE SE  E  E  E NW NW NW NW NW NW NW NW NW  W  W  W SW  W NW
Wind spd             9 10  9  6  5 11 17 16 14 12 10  5  4  4  3  2  2  2  3  3
Clouds              B2 B2 OV OV B2 B2 B2 B2 B1 FW FW SC B1 B2 B1 SC FW FW FW FW
PoP 12hr                     30          30           0           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                             S
Frzg drzl                     C  C  S
Snow                                S
Wind chill          15 14 16 17 20 21 22 15  9  2 -1 -1  4 14
Min chill              13    15    16    13     1    -3    -2    16     9     5


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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       6    15       4    18       3    21       6    29
Temp          27 27 17    8 11 11  7    4 12 14  9    4 14 15 10    9 22 24
Dewpt         11 12 11    2  0 -1 -3   -4  3  6  5    1  8  9  6    7 16 19
PWind dir         N       N     N       N    NE       N    NW       S    SE
Wind char        LT      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW B1 OV   OV B2 B2 B2   B2 B2 B2 B2   SC SC SC SC   SC B1 B2
PoP 12hr          0      50    40      20    40      20    10      20    40
Snow                 C    C  C  S  S    S  C  C  S                  S  C  C

$$
IAZ086-081000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
845 PM CST Fri Feb 7 2025

Date           02/07/25      Sat 02/08/25            Sun 02/09/25            Mon
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                      28          37          16          30          16
Temp                30 31 30 28 29 35 37 33 27 23 19 16 18 25 29 26 22 21 19 18
Dewpt               20 20 22 24 26 27 27 24 21 17 13  8  6  7  6  7  8  7  7  6
RH                  66 63 72 85 88 72 67 69 78 77 77 70 59 46 37 44 54 54 59 59
Wind dir            SE SE SE  E  E NW NW NW NW  N NW  N  N  N NW NW NW  W  W  W
Wind spd            10 10  9  6  5 10 16 14 14 12 10  9  6  5  4  2  2  2  2  2
Wind gust                                25
Clouds              B2 OV OV OV OV B2 B2 B1 SC SC SC B1 B2 B2 B2 SC SC FW FW SC
PoP 12hr                     30          30           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C  C
Wind chill          21 22 22 21 23 28 27 23 16 11  7  4  9 18
Min chill              20    19    20    20    10     4     4    19    17    13
Winter Weath               Y  Y


Date           02/10/25  Tue 02/11/25  Wed 02/12/25  Thu 02/13/25  Fri 02/14/25
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          36      15    22      10    20       7    22       9    32
Temp          32 31 26   18 18 18 13   11 16 18 14    9 17 17 13   12 24 27
Dewpt         13 15 18   14 11  7  5    4 11 13 11    6 12 12 10    9 20 23
PWind dir        NE      NE     N       N    NE       N    NW       S    SE
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    SC B2 OV   OV B2 B2 B2   B2 B2 B2 B2   B1 SC SC SC   SC B1 B1
PoP 12hr          5      50    50      30    50      30    10      20    30
Snow                 C    C  C  C  C    C  C  C  C    S             S  C  C

$$