Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
255 FOUS53 KDMX 131144 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 644 AM CDT Mon Oct 13 2025 IAZ060-132100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 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 71 54 63 57 74 Temp 58 61 68 71 66 60 58 57 55 57 59 62 62 60 60 59 58 63 71 73 70 Dewpt 49 48 47 46 44 43 42 42 43 45 47 49 50 53 54 54 55 56 58 58 57 RH 72 62 47 41 45 53 55 57 64 64 64 62 65 78 81 83 90 78 63 59 63 Wind dir NW N N NE N NE NE NE NE NE E E E E E E E E SE SE SE Wind spd 12 13 12 11 9 8 8 8 8 8 8 8 6 5 5 5 5 6 8 9 8 Clouds SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B2 B1 PoP 12hr 5 20 30 30 10 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C S S Tstms S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 60 82 63 77 54 71 47 66 Temp 64 61 78 77 69 63 74 72 61 54 69 65 54 47 63 60 Dewpt 57 55 59 56 56 55 58 57 57 52 51 45 41 38 38 35 PWind dir SE S S S SW W NW NW Wind char GN GN GN GN LT GN GN GN Avg clouds B1 B1 SC SC B1 B1 B1 B1 SC SC FW FW SC SC FW FW PoP 12hr 20 5 5 30 40 20 20 10 Rain shwrs S S C C S S S $$ IAZ039-132100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 48 63 52 67 Temp 60 61 68 70 63 55 51 50 49 55 61 62 60 56 55 53 53 57 65 67 64 Dewpt 53 50 46 43 41 41 40 39 39 41 41 44 46 49 49 50 50 52 52 53 52 RH 78 67 45 38 44 59 66 66 68 59 48 52 60 77 80 89 89 83 63 61 65 Wind dir N N N N N N N NE NE NE E E E E E E E E SE SE E Wind spd 11 14 13 12 9 9 8 8 9 9 10 10 9 8 6 6 8 8 9 10 8 Clouds B2 SC FW FW FW SC SC B1 B1 B1 B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 PoP 12hr 5 10 40 50 20 QPF 12hr 0 0 0.01 0.06 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 78 60 76 51 70 44 64 Temp 57 56 74 73 65 60 73 71 59 52 68 63 51 45 61 57 Dewpt 53 52 56 55 55 54 56 55 57 51 48 44 40 38 38 35 PWind dir SE SE S S SW W NW NW Wind char GN GN GN GN LT GN GN GN Avg clouds B1 B2 B1 SC B1 B1 B1 B1 B1 SC FW SC SC SC FW FW PoP 12hr 20 20 10 30 40 20 20 10 Rain shwrs S S S C C C S S S $$ IAZ048-132100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 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 51 62 54 72 Temp 55 59 66 69 63 55 54 53 52 55 58 60 60 56 57 56 56 61 69 71 67 Dewpt 47 47 45 44 42 42 41 41 41 44 45 48 50 52 53 53 54 57 57 58 58 RH 74 64 47 40 46 61 61 64 66 66 62 64 69 86 86 90 93 87 66 63 73 Wind dir N N N N N N NE NE NE NE E E E E E E E SE SE SE SE Wind spd 12 13 12 11 8 8 8 8 8 9 9 8 6 5 5 5 5 6 8 9 8 Clouds SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 5 20 40 40 20 QPF 12hr 0 0.01 0.04 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C S S Tstms S S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 58 81 61 77 52 71 44 65 Temp 61 59 78 76 66 61 74 71 59 52 68 64 51 44 62 59 Dewpt 56 55 59 57 56 55 58 57 56 50 49 44 40 37 38 36 PWind dir SE S S S SW W NW NW Wind char GN GN GN GN LT GN LT GN Avg clouds B1 B1 SC SC B1 B1 B1 B1 SC SC FW FW SC SC FW FW PoP 12hr 30 10 10 30 40 20 20 10 Rain shwrs C C C C S S S $$ IAZ004-132100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 46 56 47 67 Temp 42 51 59 63 57 51 49 48 47 49 53 55 53 49 49 48 49 55 62 66 63 Dewpt 37 37 36 35 35 36 35 35 35 39 39 41 43 44 45 47 48 52 54 56 56 RH 82 59 42 35 43 56 58 60 63 68 59 59 69 83 86 96 96 90 75 70 78 Wind dir NW N N N N N NE NE NE NE E E NE E E E E SE SE SE SE Wind spd 11 12 12 11 8 6 8 9 9 10 11 11 10 8 6 6 6 9 10 11 10 Clouds FW FW FW FW SC B1 B2 B2 OV B2 OV OV OV OV B2 OV B2 B2 B2 B1 B2 PoP 12hr 5 20 60 60 30 QPF 12hr 0 0 0.12 0.16 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L L L C C C C S S S Tstms S Wind chill 35 Min chill 34 36 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 78 56 72 47 65 40 63 Temp 57 57 74 72 63 56 69 65 52 47 63 58 46 41 59 56 Dewpt 54 53 58 55 54 52 54 50 47 43 42 38 36 34 34 33 PWind dir SE S S SW W NW NW NW Wind char GN BZ GN GN LT GN GN GN Avg clouds B2 B1 SC B1 B2 B2 B1 SC FW SC SC SC SC SC FW FW PoP 12hr 30 20 30 30 10 10 10 5 Rain shwrs S C S S C C C $$ IAZ035-132100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 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 48 59 51 70 Temp 52 55 63 66 61 53 52 49 49 53 57 58 58 54 53 52 52 59 67 70 66 Dewpt 43 41 40 38 37 38 38 39 39 41 42 44 46 48 49 51 52 55 56 56 56 RH 71 59 43 36 41 57 59 68 68 64 57 59 64 80 86 96100 87 68 61 70 Wind dir N N N N N NE NE NE NE NE E E E E E E E SE SE SE SE Wind spd 9 13 12 11 8 6 8 8 8 9 9 10 8 5 5 5 5 8 9 10 9 Clouds FW FW FW SC SC SC B1 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B1 B1 B2 PoP 12hr 10 30 50 50 20 QPF 12hr 0 0.03 0.08 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C S S S Tstms S S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 57 81 59 76 50 69 42 65 Temp 59 58 77 75 65 59 73 70 55 50 67 62 49 42 62 59 Dewpt 56 55 59 55 54 55 55 52 49 46 45 40 38 35 36 33 PWind dir SE S S SW W W NW NW Wind char GN BZ GN GN LT GN GN GN Avg clouds B2 B1 SC SC B2 B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 30 10 20 30 30 20 20 10 Rain shwrs S C S C C C S S $$ IAZ094-132100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 56 68 59 76 Temp 60 62 69 71 67 63 61 59 58 59 64 67 65 62 62 61 61 66 74 76 71 Dewpt 52 52 53 53 51 48 47 47 48 51 53 55 56 57 57 57 58 59 60 59 59 RH 75 70 57 53 56 58 60 64 69 75 67 65 73 84 84 87 90 78 62 56 66 Wind dir N N NE NE N NE NE NE NE NE E E E E E E E SE SE SE SE Wind spd 11 12 11 10 6 8 8 8 6 6 6 5 4 4 4 4 5 5 6 6 5 Clouds SC SC SC SC B1 B2 B2 B2 OV OV B2 B2 B1 B1 B1 B2 B2 B1 B1 SC SC PoP 12hr 10 20 20 10 10 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 81 61 76 54 71 45 64 Temp 64 60 78 75 67 62 74 70 61 55 68 64 52 46 61 58 Dewpt 58 57 58 56 56 55 58 58 59 54 52 47 42 38 38 38 PWind dir SE S S S SW W NW NW Wind char LT GN GN GN LT GN LT GN Avg clouds SC SC SC SC B1 B1 B1 B1 B1 SC SC FW SC FW FW FW PoP 12hr 10 0 5 30 50 20 20 10 Rain shwrs S C C C S S S $$ IAZ017-132100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 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 46 59 48 64 Temp 48 54 61 64 58 52 48 48 47 53 57 58 55 51 51 50 50 55 61 64 61 Dewpt 43 42 41 39 38 38 38 37 37 39 40 41 43 44 46 47 48 51 52 53 52 RH 83 64 48 40 47 59 68 65 68 59 53 53 64 77 83 89 93 86 72 67 72 Wind dir N N N N N N N NE NE NE E E E E E E E SE SE SE E Wind spd 13 12 11 11 6 6 6 6 6 8 8 9 6 6 5 5 5 8 8 9 8 Clouds FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B1 B2 PoP 12hr 5 10 50 60 30 QPF 12hr 0 0 0.06 0.14 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L C C C C Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 53 76 58 74 48 66 42 61 Temp 55 55 72 71 64 59 71 68 55 49 65 59 48 42 58 55 Dewpt 52 52 57 56 54 53 55 53 50 46 45 41 38 35 37 34 PWind dir SE S S SW SW W NW NW Wind char GN GN GN GN LT GN GN GN Avg clouds B2 B2 SC B1 B2 B2 B1 B1 SC SC SC SC SC SC FW FW PoP 12hr 30 30 20 40 30 20 20 10 Rain shwrs C C S C C C S S $$ IAZ049-132100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 50 62 52 69 Temp 58 60 67 69 62 55 53 51 51 54 59 61 59 56 55 54 54 59 66 69 65 Dewpt 51 49 47 45 42 41 40 39 40 42 44 47 49 51 52 51 52 54 55 56 55 RH 77 67 49 42 48 59 61 63 66 64 57 60 69 83 90 90 93 83 68 63 70 Wind dir N N N N N N NE NE NE NE E E E E E E E E SE SE E Wind spd 13 14 13 12 9 9 8 9 8 9 8 8 5 5 5 5 5 6 8 8 6 Clouds B1 SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 10 40 40 20 QPF 12hr 0 0 0.04 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S S Tstms S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 79 59 76 51 71 44 64 Temp 59 57 76 74 66 60 73 70 58 52 68 64 50 44 61 57 Dewpt 54 53 58 57 56 53 57 57 56 50 49 44 40 37 38 36 PWind dir SE S S S SW W NW NW Wind char LT GN GN GN LT GN GN GN Avg clouds B1 B1 SC SC B1 B1 SC B1 SC SC FW SC SC SC FW FW PoP 12hr 20 10 5 30 40 20 20 10 Rain shwrs S S C C S S S S $$ IAZ086-132100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 644 AM CDT Mon Oct 13 2025 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 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 75 56 67 57 74 Temp 62 66 73 74 69 64 61 60 58 61 64 66 65 61 61 60 59 64 71 73 70 Dewpt 57 57 57 56 54 51 48 45 47 49 50 53 54 56 55 54 55 57 57 58 58 RH 84 73 57 53 59 63 62 58 67 65 60 63 68 84 81 81 87 78 61 59 66 Wind dir NW N N NE N NE NE NE NE NE E E E E E E E E E E E Wind spd 6 11 11 11 8 10 8 8 6 8 6 6 5 5 5 5 5 6 6 6 5 Clouds B1 SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B1 B1 B1 PoP 12hr 5 10 20 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 59 81 61 79 55 72 47 65 Temp 63 60 78 75 67 62 76 73 63 56 70 66 54 47 61 59 Dewpt 56 54 58 57 56 54 57 58 59 56 53 49 45 40 40 39 PWind dir SE S S S SW W NW NW Wind char LT GN GN GN LT GN LT GN Avg clouds B1 B1 SC SC SC B1 SC SC B1 B1 SC FW SC FW FW FW PoP 12hr 10 5 5 20 60 20 30 10 Rain shwrs S L C S S C S $$