Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
741 FOUS53 KDMX 032300 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 600 PM CDT Wed Sep 3 2025 IAZ060-040900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 47 74 52 69 45 Temp 64 57 52 50 47 59 69 74 72 66 63 57 53 58 65 68 66 57 52 49 47 Dewpt 52 48 46 45 44 47 46 47 49 53 53 48 45 43 42 41 41 43 44 44 43 RH 65 72 80 83 89 64 44 38 44 63 70 72 74 57 43 37 40 59 74 83 86 Wind dir N N NW W W W SW SW SW SW NW NW NW NW NW NW NW W W W W Wind spd 11 6 4 4 4 5 9 12 12 13 12 12 11 12 12 12 9 5 3 4 4 Clouds SC SC SC SC SC SC SC SC B1 B1 SC FW FW FW SC SC SC FW FW CL FW PoP 12hr 5 0 30 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S S Obvis K K K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 45 73 49 79 58 81 59 85 Temp 68 67 51 46 69 69 54 51 75 75 63 60 76 77 65 61 79 78 Dewpt 43 41 45 43 42 43 45 44 48 49 48 52 56 55 57 55 59 58 PWind dir NW N N SE S S S S S Wind char GN LT LT LT GN LT GN LT LT Avg clouds FW SC FW CL CL CL CL FW SC SC SC B1 SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 30 20 5 10 Rain shwrs S C S $$ IAZ039-040900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 42 68 48 63 42 Temp 61 53 49 45 42 54 63 68 67 61 58 53 50 54 59 62 59 51 48 45 45 Dewpt 48 47 45 43 42 45 44 47 49 51 53 47 44 43 43 42 43 43 43 42 42 RH 62 80 86 93100 71 50 47 52 70 83 80 80 66 55 48 55 74 83 89 89 Wind dir NW NW NW NW W W W SW S SW W W NW NW NW NW NW W W W W Wind spd 11 8 5 5 4 6 10 11 10 16 17 17 14 14 14 14 10 5 4 4 4 Clouds B1 SC FW SC SC FW FW SC SC B2 SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 0 0 50 0 0 QPF 12hr 0 0 0.11 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Obvis K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 42 68 45 73 55 76 57 79 Temp 63 61 47 44 64 63 49 47 70 68 58 57 71 70 62 59 73 72 Dewpt 45 44 44 42 45 46 44 43 49 51 49 50 57 57 56 55 59 59 PWind dir NW NW NW SE S SE S SE S Wind char GN LT LT LT GN GN GN LT LT Avg clouds FW FW FW CL CL FW CL FW FW SC SC B1 B1 B1 SC B1 B1 SC PoP 12hr 0 0 0 0 10 20 20 10 5 Rain shwrs S S $$ IAZ048-040900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 44 73 49 67 44 Temp 62 54 50 47 44 57 67 73 70 64 59 54 50 57 63 66 62 53 49 47 45 Dewpt 49 48 46 45 43 47 47 49 51 55 52 47 44 44 43 43 43 44 44 43 42 RH 62 80 86 93 96 69 49 43 51 73 78 77 80 62 48 43 50 71 83 86 89 Wind dir N NW NW NW NW W SW SW SW SW NW NW NW NW NW NW NW NW NW W W Wind spd 10 5 3 4 3 4 9 11 11 13 12 13 11 13 12 11 8 3 2 2 2 Clouds SC SC SC SC FW FW SC SC B1 B1 FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 40 0 0 QPF 12hr 0 0 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Obvis K K K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 42 72 47 78 57 80 58 84 Temp 66 64 48 43 67 66 51 49 73 72 60 59 75 73 63 59 77 75 Dewpt 44 44 45 42 44 45 45 44 49 51 50 52 58 59 59 55 61 61 PWind dir NW N N SE S S S S S Wind char LT LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW CL CL CL FW SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 5 10 30 20 10 10 Rain shwrs S C S $$ IAZ004-040900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 69 45 62 42 Temp 58 49 45 41 40 54 63 69 65 57 51 48 46 52 58 61 59 49 45 44 43 Dewpt 45 44 42 41 39 42 45 48 53 51 46 42 40 42 42 43 42 42 41 39 39 RH 62 83 89100 96 64 52 47 65 80 83 80 79 69 55 51 53 77 86 82 86 Wind dir N NW NW NW W W SW SW SW NW NW NW NW NW NW NW NW NW W W W Wind spd 12 6 5 5 4 5 10 14 14 18 17 17 13 16 16 13 10 5 5 5 5 Wind gust 25 28 Clouds SC SC SC SC FW FW SC SC B1 SC FW SC SC SC SC SC SC SC FW FW FW PoP 12hr 5 20 50 0 0 QPF 12hr 0 0.01 0.16 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C Obvis K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 40 67 46 74 56 75 55 79 Temp 61 59 44 41 63 63 49 49 68 69 60 59 71 70 59 56 70 71 Dewpt 43 44 41 38 44 47 43 42 51 55 52 55 60 60 56 54 59 61 PWind dir NW NW W SE S S SW E E Wind char GN LT LT LT GN GN GN LT GN Avg clouds FW FW FW CL CL CL FW FW SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 5 20 40 20 10 10 Rain shwrs S S C C S Tstms S S $$ IAZ035-040900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 42 73 47 65 42 Temp 60 52 47 44 42 56 66 73 70 61 55 51 47 55 61 63 61 51 47 45 43 Dewpt 46 46 45 43 42 45 47 49 52 55 49 45 42 43 43 43 44 43 42 42 41 RH 60 80 93 96100 66 50 43 53 81 80 80 83 64 51 48 53 74 83 89 93 Wind dir N N NW NW W W SW SW S W W NW NW NW NW NW NW NW W W NW Wind spd 10 5 3 4 3 4 9 14 13 16 13 13 12 13 13 12 6 4 3 3 4 Clouds SC SC SC SC SC FW SC SC B1 SC FW FW FW SC FW FW FW FW FW FW FW PoP 12hr 0 0 60 0 0 QPF 12hr 0 0 0.15 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L Tstms S Obvis K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 40 70 47 76 57 78 57 82 Temp 64 62 45 41 65 64 50 49 71 71 60 59 74 72 61 59 75 74 Dewpt 44 44 43 40 45 47 44 43 51 54 51 54 60 61 58 56 62 62 PWind dir NW N N SE S S S SE S Wind char GN LT LT LT GN GN GN LT LT Avg clouds FW FW FW CL CL CL CL FW SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 5 10 30 20 10 5 Rain shwrs S C S $$ IAZ094-040900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 73 53 68 45 Temp 68 57 51 48 46 61 69 73 69 64 62 59 55 60 65 68 64 55 51 48 46 Dewpt 60 51 48 46 45 48 46 48 50 53 55 50 45 45 43 43 45 45 45 44 43 RH 76 80 89 93 96 62 44 41 51 67 78 72 69 58 45 40 50 69 80 86 89 Wind dir N N N NW NW SW SW SW SW SW W NW NW NW NW NW NW W W W W Wind spd 10 6 4 3 3 3 6 10 8 10 10 10 10 10 10 10 6 3 2 2 3 Clouds B2 B1 SC SC SC SC SC SC SC SC SC SC B1 SC SC SC SC CL CL CL CL PoP 12hr 20 0 10 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms Obvis K K K K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 45 72 49 78 56 79 57 83 Temp 68 67 52 46 68 67 53 51 73 73 61 58 75 75 64 59 78 76 Dewpt 43 44 44 43 42 44 45 44 48 50 49 52 55 56 55 55 58 59 PWind dir W N N E S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW FW CL FW FW SC SC SC B1 SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 20 20 10 10 Rain shwrs S S $$ IAZ017-040900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 40 67 45 62 41 Temp 58 50 45 42 40 53 61 66 65 58 53 49 47 52 58 60 58 49 46 45 43 Dewpt 46 45 43 41 40 44 44 48 50 53 48 45 42 42 42 42 43 43 42 41 40 RH 64 83 93 96100 71 53 52 58 83 83 86 83 69 55 51 57 80 86 86 89 Wind dir NW NW NW NW W W W SW S SW W NW NW NW NW NW NW W W W W Wind spd 10 6 5 4 4 6 9 12 11 16 16 17 13 14 14 13 8 4 3 4 4 Wind gust 26 25 Clouds B1 FW SC SC SC FW SC SC B2 B1 FW B1 B1 SC SC SC FW FW SC FW FW PoP 12hr 0 5 70 0 0 QPF 12hr 0 0 0.12 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L Tstms S Obvis K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 40 67 44 72 54 75 56 78 Temp 61 59 45 41 63 62 47 47 68 67 58 57 71 70 60 57 70 71 Dewpt 44 44 42 40 45 46 43 42 51 53 50 52 60 59 56 55 60 61 PWind dir NW NW NW S S S S SE SE Wind char GN LT LT LT GN GN GN LT LT Avg clouds FW SC FW CL CL FW CL FW SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 0 0 0 5 10 30 20 10 5 Rain shwrs S C S $$ IAZ049-040900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 42 71 48 64 42 Temp 61 52 49 43 42 55 65 70 68 61 58 53 49 54 61 64 60 52 48 45 44 Dewpt 49 47 45 42 42 46 46 48 49 52 53 47 43 43 43 42 43 43 43 42 41 RH 65 83 86 96100 72 50 45 51 72 83 80 80 66 51 45 53 71 83 89 89 Wind dir N NW NW NW W W W SW S SW W W NW NW NW NW NW NW W W W Wind spd 10 6 4 4 4 5 9 11 10 13 13 13 12 13 13 13 6 4 3 3 4 Clouds B1 FW FW FW SC FW FW SC SC B1 FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 50 0 0 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Obvis K K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 41 69 44 75 55 77 57 81 Temp 65 62 46 42 65 64 49 46 70 70 58 57 73 72 62 58 75 73 Dewpt 44 45 43 40 44 45 43 42 49 51 47 50 57 58 55 52 59 60 PWind dir NW N N SE S S S S S Wind char GN LT LT LT GN LT GN LT LT Avg clouds FW FW FW CL CL CL CL FW FW SC SC B1 SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 30 20 10 5 Rain shwrs S C S $$ IAZ086-040900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 600 PM CDT Wed Sep 3 2025 Date 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 45 73 53 68 44 Temp 64 55 50 46 45 60 68 72 69 64 64 59 54 60 64 68 65 55 51 48 47 Dewpt 56 50 47 45 44 47 46 47 50 50 53 50 46 45 43 43 44 45 44 44 44 RH 75 83 89 96 96 62 45 41 51 60 67 72 74 58 46 40 46 69 77 86 89 Wind dir N N NW NW W W W SW S SW W W NW NW NW NW NW NW W W W Wind spd 11 6 5 5 4 5 6 9 8 10 12 13 12 12 11 11 6 4 3 3 4 Wind gust 23 24 Clouds B1 SC FW FW SC FW FW SC SC SC SC SC SC FW SC FW SC FW CL CL FW PoP 12hr 10 0 30 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Obvis K K K K K K K K K K Date 09/06 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 44 72 46 78 56 81 57 84 Temp 68 66 51 45 68 67 51 48 74 73 60 58 76 75 64 59 78 77 Dewpt 45 45 45 43 43 45 45 44 47 49 47 49 54 54 53 53 57 59 PWind dir NW N N E S SE S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL CL CL CL FW FW FW SC SC SC SC SC SC SC FW PoP 12hr 0 0 0 5 10 20 20 10 5 Rain shwrs S S $$