Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
826 FOUS53 KDMX 021115 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 614 AM CDT Tue Sep 2 2025 IAZ060-022100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 80 60 73 45 71 Temp 55 68 77 80 78 68 64 62 61 66 70 67 65 58 52 48 46 57 66 71 69 Dewpt 53 58 57 56 57 58 58 58 59 62 61 57 51 49 46 44 42 44 43 44 47 RH 93 70 50 44 48 70 81 87 93 87 73 70 60 72 80 86 86 62 43 38 45 Wind dir NW N N NW W SW SW SW SW W NW N N N NW NW NW NW W SW SW Wind spd 1 2 3 4 4 3 4 5 5 9 10 12 11 8 5 5 5 6 9 10 10 Clouds FW FW SC SC FW SC SC SC B1 B1 B2 B2 SC FW SC SC SC FW FW FW FW PoP 12hr 5 20 60 5 0 QPF 12hr 0 0 0.20 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C Tstms C S C S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 51 68 45 72 48 75 53 74 Temp 62 52 65 65 52 47 68 67 53 50 70 70 58 56 70 71 Dewpt 55 47 44 43 45 43 44 44 47 45 47 48 49 49 52 54 PWind dir W NW NW NW E SE SE S Wind char GN GN LT LT LT LT LT GN Avg clouds SC FW FW FW FW CL FW FW FW FW FW SC SC B1 B1 B1 PoP 12hr 40 0 0 0 0 5 10 20 Rain shwrs C S S S Tstms S $$ IAZ039-022100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 59 68 42 66 Temp 52 67 76 77 73 65 62 61 60 64 65 65 61 53 48 45 43 53 61 64 63 Dewpt 51 58 58 60 61 61 59 58 59 61 58 53 49 47 44 42 41 44 43 45 47 RH 96 73 54 56 66 87 90 90 96 90 78 65 65 80 86 89 93 71 51 50 56 Wind dir E SW W W SW SW SW SW W NW NW NW NW NW NW NW W W W W S Wind spd 1 2 5 6 5 5 5 6 6 10 12 14 13 10 5 5 5 9 11 12 9 Clouds SC SC SC B1 SC SC B1 B2 B2 B2 B2 B1 SC FW FW FW SC FW FW FW SC PoP 12hr 30 40 50 5 0 QPF 12hr 0 0.02 0.17 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C C L Tstms C S C C S S S Obvis PF Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 63 43 67 44 69 49 71 Temp 55 50 60 60 48 45 64 62 48 46 65 64 52 51 68 66 Dewpt 52 47 47 45 44 42 46 46 45 44 48 51 47 46 52 54 PWind dir W NW NW NW N SE SE S Wind char GN GN LT GN LT LT LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW FW FW FW SC B1 SC PoP 12hr 60 0 0 0 0 0 5 10 Rain shwrs L C Tstms S $$ IAZ048-022100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 79 59 70 42 70 Temp 54 68 76 78 75 65 62 61 59 65 67 67 63 54 49 46 43 56 64 69 66 Dewpt 53 60 60 60 61 61 59 59 59 62 60 54 51 48 45 42 41 44 44 47 49 RH 96 76 58 54 62 87 90 93100 90 78 63 65 80 86 86 93 64 48 45 54 Wind dir NW NW NW W SW SW SW W W NW NW N N N NW NW NW W W SW SW Wind spd 1 2 3 4 3 3 4 5 5 8 10 13 11 8 5 4 4 6 9 10 9 Clouds FW FW SC SC SC SC SC B1 B2 B1 B2 SC SC FW SC SC SC FW FW FW SC PoP 12hr 10 30 50 5 0 QPF 12hr 0 0.01 0.17 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C Tstms S C S S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 49 66 43 70 46 73 52 74 Temp 59 50 62 61 49 44 66 65 50 47 67 67 55 53 69 68 Dewpt 54 46 45 45 44 42 46 48 47 45 50 51 49 48 54 56 PWind dir W NW NW NW NE SE SE SE Wind char GN GN LT LT LT LT LT GN Avg clouds SC FW SC FW FW FW FW FW FW FW FW FW SC B1 B1 B1 PoP 12hr 50 0 0 0 0 0 10 20 Rain shwrs C S S Tstms S $$ IAZ004-022100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 57 65 41 68 Temp 57 67 73 76 73 64 61 60 58 58 62 63 58 49 45 43 41 53 61 66 65 Dewpt 57 61 61 62 62 60 59 58 57 55 51 49 45 42 41 39 38 42 44 47 52 RH 100 81 66 62 68 87 93 93 96 90 67 60 62 77 86 86 89 66 53 50 63 Wind dir W W W SW SW W W NW N N N NW N NW NW NW W W W SW SW Wind spd 4 6 9 10 8 8 8 6 8 12 16 18 13 10 6 6 5 10 12 13 11 Clouds B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 SC FW FW FW SC SC FW FW SC B1 PoP 12hr 10 40 40 0 5 QPF 12hr 0 0.08 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Tstms C S S S S Obvis PF Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 62 42 66 43 69 50 70 Temp 51 47 57 58 46 43 62 62 47 45 64 64 53 52 66 65 Dewpt 46 42 44 43 41 39 46 47 44 42 50 53 49 46 54 55 PWind dir NW NW NW NW E S SE S Wind char GN BZ LT GN LT LT LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW FW FW SC B1 B1 B1 PoP 12hr 40 0 0 0 0 0 5 10 Rain shwrs C Tstms S $$ IAZ035-022100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 78 58 69 40 69 Temp 55 67 75 78 75 64 61 60 59 63 64 65 62 51 47 43 41 54 63 68 67 Dewpt 54 62 62 61 62 61 59 59 59 60 55 51 49 45 43 41 40 44 45 47 51 RH 96 84 64 56 64 90 93 96100 90 73 60 62 80 86 93 96 69 52 47 56 Wind dir SW W W W SW SW SW W W NW N N N N NW NW W W W SW SW Wind spd 1 3 5 6 5 5 5 5 5 10 12 13 12 8 5 5 4 8 10 12 10 Clouds B1 SC B1 SC SC SC B2 B2 B2 B2 B2 B1 SC FW SC SC SC FW FW FW SC PoP 12hr 10 40 40 0 0 QPF 12hr 0 0.02 0.16 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S S S S Obvis PF Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 48 65 42 69 44 72 51 73 Temp 54 49 61 60 47 43 65 64 48 45 67 66 54 53 68 67 Dewpt 49 45 45 45 42 41 46 48 45 44 50 52 49 48 54 56 PWind dir W NW NW NW E SE SE S Wind char GN GN LT LT LT LT LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW FW FW SC B1 B1 B1 PoP 12hr 50 0 0 0 0 0 10 10 Rain shwrs C Tstms S $$ IAZ094-022100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 75 44 71 Temp 56 68 75 78 75 65 62 60 58 69 72 70 64 57 52 48 46 58 66 69 68 Dewpt 54 60 57 57 60 59 58 58 58 63 63 61 57 53 49 46 43 46 45 47 49 RH 93 76 54 48 60 81 87 93100 81 73 73 78 86 89 93 89 64 47 45 51 Wind dir N NE NE NW W W W SW SW W NW NW N N N NW NW NW W SW SW Wind spd 3 2 2 2 2 3 3 4 5 8 9 10 10 6 5 4 4 5 8 9 8 Clouds B1 SC FW SC FW FW FW FW SC B1 B1 B2 B1 SC SC SC SC FW CL CL FW PoP 12hr 5 10 70 10 0 QPF 12hr 0 0 0.11 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L Tstms C C C C Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 67 45 72 48 72 52 73 Temp 61 53 64 62 50 46 68 66 53 50 68 68 57 54 69 68 Dewpt 54 47 44 45 45 44 43 46 47 45 48 51 51 49 53 56 PWind dir W NW NW NW NE SE SE SE Wind char GN GN LT LT LT LT LT GN Avg clouds FW FW FW FW CL CL CL FW FW SC SC SC SC B1 B1 B1 PoP 12hr 20 10 0 0 0 5 10 20 Rain shwrs S S S $$ IAZ017-022100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 76 57 66 40 65 Temp 52 67 74 74 73 64 62 60 59 60 62 64 59 50 45 43 41 52 60 64 63 Dewpt 51 61 63 62 62 60 59 59 58 57 53 49 46 43 41 40 38 42 44 45 49 RH 96 81 69 66 68 87 90 96 96 90 72 58 62 77 86 89 89 69 55 50 60 Wind dir SW W W W SW SW W W W NW NW NW NW NW NW W W W W SW S Wind spd 2 3 5 8 5 5 6 6 5 10 13 14 12 9 5 5 5 9 10 11 9 Wind gust 25 Clouds B1 B1 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC FW FW SC SC FW SC SC B1 PoP 12hr 30 40 40 0 5 QPF 12hr 0.08 0.04 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C L Tstms C C C S S S S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 61 42 64 43 68 48 70 Temp 52 48 57 57 46 44 62 60 47 44 64 63 51 51 67 65 Dewpt 48 44 46 45 41 41 46 47 44 42 49 51 46 46 54 55 PWind dir W NW NW NW NW S SE S Wind char GN GN LT LT LT LT LT GN Avg clouds B1 SC SC SC FW FW FW FW FW FW FW SC FW SC B1 B1 PoP 12hr 60 0 0 0 0 0 5 10 Rain shwrs L Tstms S $$ IAZ049-022100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 69 41 66 Temp 53 67 75 78 73 65 62 59 59 63 65 65 62 53 48 43 42 54 62 66 64 Dewpt 51 59 58 60 61 60 58 58 58 61 59 54 50 47 44 41 40 44 44 46 48 RH 93 75 55 54 66 84 87 96 96 93 81 68 65 80 86 93 93 69 52 48 56 Wind dir NE SW W W W SW SW W W NW NW NW NW N NW NW W W W SW SW Wind spd 1 2 3 4 3 3 5 5 5 8 10 13 11 8 5 5 5 8 10 10 8 Clouds FW FW SC SC SC SC SC B1 B2 B2 B2 B1 SC FW FW SC SC FW FW FW SC PoP 12hr 10 30 60 5 0 QPF 12hr 0 0.02 0.24 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C L Tstms S C S S S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 64 42 67 44 70 49 71 Temp 56 49 61 60 47 44 64 62 49 45 66 65 53 51 68 66 Dewpt 53 45 47 45 43 41 46 47 45 43 50 51 47 46 53 55 PWind dir W NW NW NW NE SE SE S Wind char GN GN LT LT LT LT LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW FW FW FW SC B1 B1 PoP 12hr 60 0 0 0 0 0 5 10 Rain shwrs L C Tstms S $$ IAZ086-022100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 614 AM CDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 81 59 75 44 71 Temp 55 71 78 81 77 65 62 60 59 70 71 70 64 57 52 48 45 57 65 69 67 Dewpt 53 58 55 55 57 57 56 57 58 62 63 61 56 52 49 45 43 46 43 43 47 RH 93 63 45 41 50 75 81 90 96 76 76 73 75 83 89 89 93 67 45 39 49 Wind dir NE E N NW NW SW SW SW W W W NW N N NW NW NW NW W W SW Wind spd 2 2 2 3 3 3 4 5 5 9 10 11 10 8 6 5 5 6 9 9 6 Clouds FW FW SC SC FW FW FW SC SC B2 B1 B1 B1 SC SC FW SC FW FW CL FW PoP 12hr 0 10 70 20 0 QPF 12hr 0 0 0.16 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L S S C Tstms S S C S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 52 68 45 72 47 75 51 74 Temp 61 54 65 63 50 47 68 67 52 50 70 69 56 55 70 69 Dewpt 52 48 45 45 46 44 43 45 47 46 47 48 49 48 51 54 PWind dir SW NW NW NW NE SE SE SE Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC FW FW FW CL FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 40 5 0 0 0 5 10 20 Rain shwrs C C S S $$