Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
120 FOUS53 KDMX 030929 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 429 AM CDT Wed Sep 3 2025 IAZ060-032100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 47 74 52 68 Temp 61 66 69 68 63 56 52 49 47 59 69 73 72 66 63 56 52 58 64 67 65 Dewpt 58 61 60 55 50 49 48 45 45 47 47 49 50 55 54 48 45 45 42 42 42 RH 90 84 73 63 62 77 86 86 93 64 45 43 46 68 72 74 77 62 45 40 43 Wind dir W NW N N N N NW NW W W W SW SW SW NW NW NW NW NW NW NW Wind spd 5 9 11 12 10 6 4 4 4 5 9 11 12 13 11 10 10 12 12 12 9 Wind gust 23 24 21 20 Clouds B2 B2 B2 B2 SC SC SC SC FW CL FW FW SC B1 FW FW FW FW FW SC FW PoP 12hr 60 0 0 30 5 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C Tstms C S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 46 72 46 75 53 78 57 80 Temp 51 47 69 68 52 47 71 71 57 55 75 74 64 59 76 76 Dewpt 44 43 43 43 46 44 45 46 48 47 52 52 54 54 57 56 PWind dir W NW NE E SE S S S Wind char LT GN LT LT LT GN LT GN Avg clouds FW CL FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 20 20 20 Rain shwrs S S S S Tstms S $$ IAZ039-032100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 42 68 47 63 Temp 60 63 64 65 61 53 49 45 43 55 62 66 65 61 57 52 48 54 59 61 59 Dewpt 59 59 55 50 48 47 45 43 42 45 44 47 50 53 53 47 44 44 44 43 44 RH 96 87 73 58 62 80 86 93 96 69 52 50 58 75 86 83 86 69 57 51 57 Wind dir W NW NW NW NW NW NW NW NW W W SW S SW W W NW NW NW W W Wind spd 6 10 13 14 12 8 5 5 4 5 10 12 10 14 13 13 13 14 14 14 10 Wind gust 26 27 26 25 Clouds B2 B2 B2 B1 B1 SC FW FW SC FW FW SC B1 B1 SC SC SC SC SC SC FW PoP 12hr 50 0 0 60 0 QPF 12hr 0.01 0 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L Tstms S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 67 42 69 48 73 54 76 Temp 47 45 63 62 48 44 65 64 52 50 69 68 59 56 71 70 Dewpt 43 42 45 45 44 42 46 48 47 46 53 54 52 51 57 57 PWind dir W NW NW NW SE S S S Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW FW FW CL CL FW FW SC SC SC B1 B1 B1 SC PoP 12hr 0 0 0 0 5 10 30 20 Rain shwrs C S $$ IAZ048-032100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 68 44 73 48 66 Temp 59 64 66 66 61 53 50 47 44 57 66 72 69 63 58 53 49 56 62 65 62 Dewpt 58 61 58 53 50 49 46 45 44 46 48 50 53 57 53 48 44 45 44 44 44 RH 96 90 75 63 67 86 86 93100 67 52 46 57 81 83 83 83 66 52 46 52 Wind dir W NW N N N NW NW NW NW W W SW SW SW NW NW NW NW NW NW NW Wind spd 5 9 11 12 10 5 3 4 2 4 9 11 12 12 11 10 10 12 12 11 8 Wind gust 21 24 24 21 21 23 21 Clouds B2 B2 B2 B1 SC SC SC SC FW FW FW FW B1 B1 FW FW FW FW SC FW FW PoP 12hr 50 0 0 40 0 QPF 12hr 0.05 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 43 70 44 73 50 77 56 79 Temp 48 44 67 64 49 45 69 67 55 53 73 72 61 58 74 73 Dewpt 44 42 45 45 46 43 46 48 48 47 53 54 54 53 59 59 PWind dir W NW NE E SE S S S Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC PoP 12hr 0 0 0 0 5 20 30 20 Rain shwrs S S C S $$ IAZ004-032100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 39 69 44 62 Temp 59 57 61 62 59 49 45 41 39 54 61 67 64 56 51 48 45 52 57 60 58 Dewpt 56 52 49 46 46 44 41 39 38 42 45 50 55 51 46 42 40 43 42 42 43 RH 90 83 65 56 62 83 86 92 96 64 56 54 73 83 83 80 82 71 57 51 57 Wind dir N N N N N N NW NW W SW SW SW SW NW NW NW NW NW NW NW NW Wind spd 10 13 16 16 12 9 5 5 4 6 11 14 14 17 14 14 13 16 16 13 9 Wind gust 27 25 31 28 26 24 Clouds OV B2 B1 B1 SC SC FW SC FW FW FW SC B1 SC FW SC SC SC SC SC SC PoP 12hr 30 5 50 40 0 QPF 12hr 0 0 0.02 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C Tstms C S Wind chill 39 Min chill 36 38 39 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 65 41 69 50 73 56 75 Temp 46 43 61 61 45 42 64 64 52 53 69 69 59 58 71 69 Dewpt 40 39 42 45 42 40 47 50 47 46 56 57 55 54 59 57 PWind dir W NW N SE SE S S SW Wind char LT GN LT LT LT GN GN GN Avg clouds SC FW FW FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC PoP 12hr 0 0 0 0 10 20 30 10 Rain shwrs S S C C $$ IAZ035-032100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 41 72 47 65 Temp 59 61 62 64 60 51 48 43 41 56 64 70 68 61 54 50 47 54 60 63 60 Dewpt 59 58 54 49 48 46 44 42 41 46 47 51 54 56 48 46 43 44 44 43 44 RH 100 90 75 58 64 83 86 96100 69 54 51 61 84 80 86 86 69 55 48 55 Wind dir NW N N N N N NW NW W W SW SW SW W NW NW NW NW NW NW NW Wind spd 5 11 12 13 10 6 4 4 3 5 10 13 13 13 12 11 10 13 13 12 6 Wind gust 26 23 23 20 Clouds B2 B2 B2 B1 SC SC SC SC FW FW FW SC B1 SC FW FW SC SC SC SC SC PoP 12hr 30 0 5 50 0 QPF 12hr 0.01 0 0 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C Tstms S C Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 42 69 42 72 50 75 56 78 Temp 47 43 65 63 47 43 67 66 53 51 70 70 60 58 74 71 Dewpt 43 40 45 46 44 41 48 49 47 46 55 57 54 54 60 60 PWind dir NW NW NE SE SE S S S Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW FW FW FW CL FW FW SC B1 B1 B1 B1 SC SC PoP 12hr 0 0 0 0 10 20 30 10 Rain shwrs S S C S Tstms S $$ IAZ094-032100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 47 73 52 68 Temp 58 68 72 71 64 57 51 49 47 61 69 72 69 65 63 58 53 59 64 66 63 Dewpt 57 62 63 60 57 53 50 47 46 49 49 50 52 55 57 51 46 47 44 44 45 RH 96 81 73 68 78 86 96 93 96 65 49 46 55 70 81 77 77 64 48 45 52 Wind dir W W NW N N N N NW NW W SW SW SW SW W NW NW NW NW NW NW Wind spd 5 8 10 10 10 5 4 3 2 3 6 10 9 10 10 10 9 10 10 10 6 Wind gust 20 Clouds SC B2 B2 B2 B2 SC SC SC FW FW FW FW SC SC SC SC B1 SC SC SC FW PoP 12hr 40 10 0 20 10 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S S Tstms C S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 72 48 74 53 76 56 79 Temp 51 46 69 67 54 50 71 70 57 55 72 71 62 58 75 74 Dewpt 45 43 44 46 46 46 45 49 48 47 51 54 54 53 56 56 PWind dir W W NE E SE S S S Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW FW FW SC FW FW FW SC SC SC SC B1 SC SC PoP 12hr 5 0 0 0 5 20 20 10 Rain shwrs S S S $$ IAZ017-032100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 64 40 67 44 60 Temp 59 59 62 62 59 51 46 43 40 54 61 65 63 57 52 48 46 51 57 60 57 Dewpt 58 55 52 47 47 45 42 40 39 43 44 47 51 54 47 44 42 43 43 43 44 RH 96 87 70 58 64 80 86 89 96 66 53 52 65 90 83 86 86 74 59 53 62 Wind dir NW N N NW NW NW NW NW W W W SW S W NW NW NW NW NW NW NW Wind spd 6 11 14 14 11 6 4 4 3 5 10 12 12 13 14 13 12 14 14 13 8 Wind gust 26 21 28 28 28 23 25 26 24 Clouds B2 B2 B1 B1 B1 SC SC FW FW CL FW B1 B2 B1 SC SC B1 SC SC SC SC PoP 12hr 30 0 20 60 0 QPF 12hr 0.02 0 0 0.16 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S L L Tstms C Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 41 64 40 68 47 71 54 74 Temp 46 43 62 60 45 42 64 63 50 50 68 67 58 56 71 69 Dewpt 42 40 44 45 42 40 46 47 45 45 53 56 52 52 59 58 PWind dir W NW NW W SE S S S Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW FW FW CL FW FW FW SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 0 5 20 30 20 Rain shwrs S S S C S Tstms S $$ IAZ049-032100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 42 70 47 64 Temp 58 63 65 65 61 52 49 45 43 55 64 68 66 61 58 51 48 54 60 62 60 Dewpt 58 61 57 52 50 47 45 43 42 46 46 48 51 53 53 46 43 44 44 44 44 RH 100 93 75 63 67 83 86 93 96 72 52 49 58 75 83 83 83 69 55 52 55 Wind dir W NW N NW NW NW NW NW NW W W SW S SW W NW NW NW NW NW NW Wind spd 5 9 11 13 10 6 4 5 3 5 9 11 10 12 11 11 10 13 13 12 6 Wind gust 24 23 21 20 24 Clouds B1 B2 B2 B1 B1 SC FW FW FW FW FW FW SC B1 FW FW FW SC SC FW FW PoP 12hr 60 0 0 50 0 QPF 12hr 0.05 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 67 42 70 48 75 54 76 Temp 47 43 65 62 48 43 66 65 52 50 70 69 60 56 72 70 Dewpt 43 41 45 46 44 41 46 49 47 46 53 54 51 50 58 58 PWind dir W NW N N SE S S S Wind char LT GN LT LT LT GN LT LT Avg clouds FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC PoP 12hr 0 0 0 0 5 10 30 20 Rain shwrs S C S $$ IAZ086-032100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 429 AM CDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 73 45 73 52 68 Temp 58 67 70 70 65 55 51 48 46 59 67 72 69 65 64 58 53 59 64 67 63 Dewpt 57 62 63 60 56 51 49 47 45 48 47 48 51 52 56 51 47 46 44 43 45 RH 96 84 78 71 73 86 93 96 96 67 49 42 53 63 75 77 80 62 48 42 52 Wind dir W W NW NW N N NW NW NW NW W SW SW SW W W NW NW NW NW NW Wind spd 5 9 11 11 11 6 5 5 4 5 6 9 9 10 11 11 10 12 12 11 8 Wind gust 21 21 24 24 23 23 Clouds SC B2 B2 B1 B1 SC FW FW FW FW CL FW SC SC SC FW FW FW SC FW FW PoP 12hr 50 5 0 30 10 QPF 12hr 0.11 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S S Tstms S S Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 45 72 45 74 50 78 56 80 Temp 50 47 69 67 52 47 70 69 54 53 74 72 61 58 75 74 Dewpt 45 44 44 46 47 45 46 48 47 47 50 52 51 51 53 55 PWind dir W NW NE NE E SE SE S Wind char LT LT LT LT LT GN LT LT Avg clouds FW CL FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 5 0 0 0 5 10 20 20 Rain shwrs S S $$