Point Forecast Matrices
Issued by NWS Des Moines, IA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
611
FOUS53 KDMX 030657
PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
1257 AM CST Wed Dec 3 2025

IAZ060-041000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          29         -12          14           6
Temp                      30 29 27 22 18 13  6  1 -6-10 -4  7 13 10  9 12 16 17
Dewpt                     26 26 25 18 14  9  3 -2 -9-14-10 -3  5  4  6  9 12 14
RH                        85 88 92 84 84 84 87 87 86 82 75 63 70 76 87 87 84 88
Wind dir                  SW  W  N  N  N  N  N  N NW NW SW  S  S  S  S  S SW SW
Wind spd                   9  8 11 13 13 11  9  5  4  2  2  5  8  9  9 10 10  8
Wind gust                       21    24
Clouds                    B2 OV B2 B2 B1 SC SC SC FW FW CL CL CL FW FW SC SC B1
PoP 12hr                     20          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                   C        C
Frzg drzl                     S  S
Snow                          S  S
Wind chill                22 21 17  9  4 -1 -7-10-17       -3  2 -3 -4 -1  4  7
Min chill              22    20     8    -2   -13   -20   -10    -4    -5     0


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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      16    29      15    23       5    30      19    33
Temp          28 28 25   18 28 27 24   17 21 20 13   11 23 26 26   23 29 31
Dewpt         24 25 23   18 26 24 22   17 19 16 11   10 19 22 25   23 26 26
PWind dir        SW       W     E       E    NE      NW     S      SW    SW
Wind char        LT      LT    LT      GN    LT      LT    LT      GN    GN
Avg clouds    B1 B2 B2   B2 B2 OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B2
PoP 12hr          0       5    20      40    20       5    20      20     5
Snow                            S  C    C  S  S             S  S

$$
IAZ039-041000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          26         -12           9           1
Temp                      28 27 23 20 15  9  3 -2 -8-12 -7  4  8  5  4  7 11 12
Dewpt                     24 25 20 15 12  6  0 -5-10-15-11 -4  2  0  2  5  8 10
RH                        85 92 88 81 88 87 87 87 91 86 82 68 76 79 91 91 87 91
Wind dir                  SW  W NW NW NW NW NW NW NW NW SW  S  S  S  S  S  S SW
Wind spd                  11  9 13 16 16 13 10  8  5  3  2  5 10 11 12 11 10  9
Wind gust                       25
Clouds                    OV OV B2 B1 B1 SC SC FW FW FW CL CL FW FW SC B1 B1 B1
PoP 12hr                     20          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                         C  C
Frzg drzl                  S  S
Snow                       S  S
Wind chill                18 18 11  6 -1 -7-13-17-21-22    -7 -6-11-12 -9 -4  0
Min chill              17    17     5    -8   -20   -25   -22   -12   -14    -8


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          27      15    26      11    20       2    25      13    29
Temp          25 25 21   17 25 23 18   12 18 16  9    6 19 20 21   19 27 25
Dewpt         21 23 20   17 23 19 17   12 15 11  7    4 15 17 20   19 24 23
PWind dir        SW       W     N      NE    NE       N     S      SW    SW
Wind char        GN      LT    LT      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 B2 B2   B2 B2 B2
PoP 12hr         10       5    20      50    30      10    20      30    10
Snow                            S  C    C  C  S             S  C

$$
IAZ048-041000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          26         -14          11           4
Temp                      30 28 23 19 13  7  2 -3-10-14 -8  3  9  8  7 10 14 15
Dewpt                     26 25 20 16 12  6  1 -4-11-16-11 -3  5  5  6  9 12 14
RH                        85 88 88 88 96 96 95 95 95 90 86 75 83 87 96 96 92 96
Wind dir                  SW NW  N  N  N  N  N NW NW NW SW  S  S  S  S  S  S SW
Wind spd                   9  9 12 14 14 11  9  5  3  2  2  5 10 10 10 10  8  6
Wind gust                       24
Clouds                    OV OV B2 B2 B1 SC SC SC FW FW FW CL FW FW SC B1 B1 B1
PoP 12hr                     20          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                         C  C
Frzg drzl                     S
Snow                       S  S
Wind chill                22 19 10  5 -2 -8-12-15-19       -8 -5 -6 -8 -4  3  5
Min chill              22    18     4   -10   -18   -23   -14    -9    -8    -1


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          28      15    27      13    20       2    27      17    31
Temp          26 26 23   17 26 25 21   14 19 17 10    8 21 23 24   21 27 28
Dewpt         24 26 23   17 25 23 20   14 18 14  9    8 18 21 23   21 26 26
PWind dir        SW       W    NE       E    NE      NW     S      SW    SW
Wind char        LT      LT    LT      GN    GN      LT    LT      LT    GN
Avg clouds    B1 B2 B2   B2 B2 B2 OV   B2 B2 B2 B1   B1 B2 B2 B2   B2 B1 B2
PoP 12hr          5       5    20      50    30       5    20      20     5
Snow                            S  C    C  C  S             S  S

$$
IAZ004-041000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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                      13          15         -15          13           9
Temp                      29 18 13 12  8  0 -3 -8-12-14 -7  2  8 11 11 15 18 19
Dewpt                     26 15 10  7  2 -3 -7-12-16-18-10 -1  6  8 11 14 16 17
RH                        88 88 87 80 76 87 82 82 82 81 86 87 91 87100 96 92 92
Wind dir                  NW  N  N  N NW NW NW NW  W SW  S  S  S  S SW SW SW  W
Wind spd                  13 18 18 19 17 11  9  5  4  5  9 16 18 18 18 13 11  9
Wind gust                       29                            29 29 28 24
Clouds                    B2 B2 B1 SC FW FW FW FW FW FW FW FW SC B1 B2 B1 B2 B2
PoP 12hr                     20          10           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                      C
Frzg drzl                  S
Snow                       S
Wind chill                18  2 -4 -7-10-17-19-21-24-27-24-17-11 -8 -7  0  5  7
Min chill              19     2    -7   -17   -21   -28   -27   -15    -7     2


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          28      12    22       4    15       1    25      12    30
Temp          26 26 22   14 21 19 13    6 13 11  7    6 19 20 20   17 25 26
Dewpt         25 24 20   14 21 16 11    6 11  8  5    5 17 19 19   17 24 25
PWind dir         W       W    NE      NE    NE       S     S       W    SW
Wind char        GN      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 OV   B2 B2 B2 B1   B1 B2 B2 B2   B2 B2 B2
PoP 12hr         20       5    40      40    20       5    30      10    10
Snow              S             C  C    S  S  S             C

$$
IAZ035-041000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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                      19          23         -17          12           6
Temp                      30 27 18 17 10  4 -2 -7-14-17 -9  3 10  8  9 13 15 16
Dewpt                     27 25 14 12  8  2 -4-10-15-20-12 -2  5  5  8 11 14 15
RH                        88 92 84 80 91 91 91 86 95 86 86 79 80 87 96 91 96 96
Wind dir                   W NW  N  N  N NW  N NW NW  W  S  S  S  S  S SW SW SW
Wind spd                   8 11 13 14 13 10  8  4  2  2  3 10 12 12 12 10  9  6
Wind gust                       26
Clouds                    OV B2 B2 B1 SC FW SC FW FW FW CL CL FW SC B1 B1 B1 B2
PoP 12hr                     20          10           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                      C  C
Frzg drzl                  S
Snow                       S
Wind chill                22 16  4  2 -6-11-16-19      -18-12 -6 -7 -7 -1  3  6
Min chill              23    15     1   -12   -20   -24   -22   -12    -8    -1


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          28      14    26       9    18       2    27      14    31
Temp          26 26 23   16 25 23 19   10 17 14  9    6 20 22 22   19 26 27
Dewpt         25 25 22   16 24 21 17   10 15 11  7    6 17 20 22   19 24 25
PWind dir         W       W    NE      NE    NE       S     S      SW    SW
Wind char        LT      LT    LT      GN    LT      LT    LT      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 OV   B2 B2 B2 B1   B1 B2 B2 B2   B2 B1 B2
PoP 12hr         10       5    30      40    30       5    30      20    10
Snow                            C  C    C  C  S             C  S

$$
IAZ094-041000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          30          -7          14           4
Temp                      30 30 30 28 21 16 11  7  1 -3  0  9 14 10  9 11 15 16
Dewpt                     26 26 28 24 18 12  6  2 -4-10 -7 -1  5  5  6  9 10 13
RH                        85 85 92 85 88 84 80 79 79 71 71 63 67 80 87 91 80 88
Wind dir                  SW  W  N  N  N  N  N  N  N  N  E  S  S  S  S  S SW SW
Wind spd                  10  6  8 12 13 10 10  6  5  3  2  3  5  5  8  8  9  8
Wind gust                       18 23 24
Clouds                    OV OV B2 OV B1 SC SC SC SC FW FW CL CL CL FW FW SC SC
PoP 12hr                     20          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                               C
Frzg drzl                        S  S
Snow                          S     S  S
Wind chill                21 23 22 17  8  4 -3 -5-10 -9     2  5  0 -3 -1  3  5
Min chill              20    20    16     2    -7   -13    -3     0    -3     0


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          29      16    30      17    24       8    30      19    33
Temp          27 27 23   18 29 28 25   19 23 22 16   14 25 27 27   23 31 31
Dewpt         24 24 23   18 28 26 25   19 22 19 15   14 21 24 26   23 27 28
PWind dir        SW       W     S       E     N       N     S      SW    SW
Wind char        LT      LT    LT      GN    LT      LT    LT      LT    GN
Avg clouds    B1 B1 B1   B1 B1 B2 OV   B2 B2 B2 B2   B2 B1 B2 B1   B1 B1 B1
PoP 12hr          0       0    10      30    20       5    10      10     0
Snow                               C    S  S

$$
IAZ017-041000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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                      18          21         -14           9           4
Temp                      29 24 16 15 10  4 -1 -4-10-13 -8  1  5  7  6  9 14 15
Dewpt                     27 22 13 11  7  1 -4 -8-13-17-11 -3  2  2  5  9 12 14
RH                        92 92 88 84 87 87 87 82 86 82 86 83 87 79 96100 92 96
Wind dir                   W NW  N NW NW NW NW NW NW  W  S  S  S  S  S SW SW SW
Wind spd                  12 13 16 17 14 11  9  5  3  2  4  9 13 13 13 12 10  8
Wind gust                    24 26
Clouds                    OV B2 B1 B1 SC FW FW FW FW FW FW CL FW SC B1 B1 B2 B2
PoP 12hr                     20          10           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                      C  C
Snow                       S
Wind chill                19 12  1 -1 -7-12-16-17-20   -19-14-12-10-11 -7  1  4
Min chill              17    11    -1   -14   -21   -23   -22   -13   -12    -4


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          26      13    22       6    16       0    24      13    28
Temp          24 24 21   15 22 20 15    8 15 12  6    5 18 20 19   18 25 24
Dewpt         23 22 20   15 21 17 13    8 13  9  4    4 16 18 19   18 23 22
PWind dir         W       W     N      NE    NE      SE     S      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B2 B2 B2   B2 B2 B2
PoP 12hr         10       5    30      40    30       5    20      20    10
Snow                            C  C    C  C  S             S  S

$$
IAZ049-041000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          26         -13          10           1
Temp                      27 26 24 20 14  8  2 -3 -9-13 -8  4  9  5  4  7 12 13
Dewpt                     24 24 21 16 13  6  0 -5-11-16-10 -3  2  2  3  6  8 11
RH                        88 92 88 84 96 91 91 91 91 86 91 72 72 87 95 96 84 91
Wind dir                  SW  W  N  N  N NW NW NW NW NW SW  S  S  S  S  S SW SW
Wind spd                   9  9 12 14 14 11  9  6  4  2  2  5  9 10 11 11 10  9
Wind gust                       23
Clouds                    OV OV B2 B1 SC SC SC FW FW FW FW CL CL FW SC SC B1 B1
PoP 12hr                     20          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                         C  C
Frzg drzl                     S  S
Snow                       S  S
Wind chill                18 18 12  6 -1 -7-13-16-20       -8 -4-10-11 -8 -2  1
Min chill              19    16     4   -10   -20   -23   -22   -11   -12    -7


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          27      14    26      12    20       2    26      15    30
Temp          25 25 22   16 25 24 19   13 18 16  9    7 19 22 21   19 27 26
Dewpt         22 23 21   16 23 21 19   13 16 13  8    6 16 20 21   19 25 25
PWind dir        SW       W    NE      NE    NE      NW     S      SW    SW
Wind char        GN      LT    LT      LT    GN      LT    LT      GN    GN
Avg clouds    B1 B2 B2   B2 B2 B2 OV   B2 B2 B1 B1   B1 B1 B2 B2   B2 B2 B2
PoP 12hr          5       5    20      50    30       5    20      30    10
Snow                            S  C    C  C  S             S  C

$$
IAZ086-041000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1257 AM CST Wed Dec 3 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
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          30          -9          13           2
Temp                      30 29 30 28 22 17 11  7  0 -5 -2  8 12  8  6  8 13 14
Dewpt                     25 26 28 25 18 13  6  1 -5-11 -8 -3  5  4  4  6  8 10
RH                        81 88 92 88 84 84 80 76 79 74 75 60 73 83 91 91 80 84
Wind dir                  SW  W NW  N  N NW  N  N NW NW NW  S  S  S  S  S  S SW
Wind spd                  10  9 10 13 13 11 10  8  6  4  2  3  5  5  8  9  9  9
Clouds                    OV OV OV OV B2 B1 B1 SC SC FW CL CL CL CL FW SC SC SC
PoP 12hr                     10          30           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                           S  S
Snow                          S  C  S  S
Wind chill                21 21 22 17  9  4 -3 -6-13-16        4 -3 -7 -6  0  2
Min chill              21    20    17     2    -8   -17   -16    -5    -9    -5


Date           12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
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          28      17    30      16    24       5    29      19    33
Temp          26 26 23   18 28 27 23   17 23 22 14   10 23 25 26   23 31 30
Dewpt         22 24 22   18 26 24 22   17 20 18 13    9 19 22 24   23 26 26
PWind dir        SW       W    SE       E    NE       N     S      SW    SW
Wind char        GN      LT    LT      GN    GN      LT    LT      GN    GN
Avg clouds    SC B1 B2   B2 B2 B2 OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B2
PoP 12hr          0       0    10      40    20       5    20      20     5
Snow                               C    C  S  S             S  S    S

$$