Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
682 FOUS53 KDMX 302000 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 300 PM CDT Sat Aug 30 2025 IAZ060-310900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 63 75 61 73 56 Temp 82 78 71 67 65 63 67 74 74 73 67 66 63 63 66 71 72 71 64 61 59 58 Dewpt 60 62 64 64 63 62 62 63 63 63 63 62 62 61 61 60 60 59 59 58 57 56 RH 47 58 79 90 93 97 84 69 69 71 87 87 97 93 84 68 66 66 84 90 93 93 Wind dir SE E E E E E E SE SE SE E E E E SE SE SE SE NE NE NE N Wind spd 5 6 6 5 5 5 6 8 8 5 4 4 4 4 5 5 5 4 3 2 2 2 Clouds B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 50 40 30 20 QPF 12hr 0.02 0.25 0.15 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S C C C C C C C C S S Tstms S S S S S S C C S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 78 57 67 44 64 46 72 48 77 Temp 75 74 62 60 64 62 51 46 61 62 51 49 69 69 55 50 72 72 Dewpt 57 57 57 57 52 45 42 40 39 40 41 42 45 46 48 45 49 49 PWind dir E W NW NW NW W NW W W Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC SC SC B1 B1 SC SC FW SC SC SC SC SC FW CL CL FW FW PoP 12hr 10 30 30 5 5 10 5 0 0 Rain shwrs C C Tstms S S $$ IAZ039-310900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 75 55 75 54 Temp 77 74 65 61 59 58 67 74 75 71 63 59 57 58 65 71 75 71 62 58 55 55 Dewpt 64 65 63 61 59 58 60 61 61 60 58 56 55 54 57 58 59 59 57 56 54 53 RH 64 74 93100100100 78 64 62 68 84 90 93 86 75 63 58 66 84 93 96 93 Wind dir E E E E E E SE E E E E E E E SE SE SE SE E E E E Wind spd 6 5 5 5 5 5 8 9 8 5 4 3 3 3 4 5 5 3 2 2 2 2 Clouds B2 B1 SC SC B1 B1 B1 B1 SC SC B1 SC B1 B1 SC SC SC FW FW FW FW SC PoP 12hr 5 20 5 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 55 64 42 59 44 67 46 71 Temp 74 72 60 57 61 59 47 43 56 56 47 46 64 62 51 47 68 66 Dewpt 58 59 57 55 52 46 40 39 40 41 41 40 46 49 46 44 50 52 PWind dir S W NW NW NW W W W W Wind char LT LT GN GN GN LT GN LT LT Avg clouds FW FW SC B1 B2 SC SC FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 40 40 5 5 10 5 0 0 Rain shwrs S C C Tstms C S $$ IAZ048-310900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 61 76 59 74 55 Temp 81 75 68 65 63 61 68 74 75 72 66 63 61 60 66 71 73 71 63 59 57 56 Dewpt 63 65 65 63 62 61 63 63 64 63 64 62 60 59 62 61 61 60 60 58 56 55 RH 54 71 90 93 97100 84 69 69 73 93 97 97 96 87 71 66 68 90 96 96 96 Wind dir E E E E E E E SE E E E E E E SE SE SE SE E E NE NE Wind spd 6 6 5 5 5 5 6 8 8 5 3 3 3 3 4 5 5 3 2 2 2 2 Clouds B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 40 40 20 20 QPF 12hr 0.01 0.08 0.12 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C S C C S S C C S S S S S Tstms C S S S S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 78 55 66 42 63 44 72 46 75 Temp 74 73 61 57 63 61 48 43 59 59 49 47 67 67 52 47 71 70 Dewpt 58 59 58 56 51 46 42 40 39 41 41 42 46 48 47 45 50 51 PWind dir S W NW NW NW W NW NW W Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC SC SC B1 B1 SC FW FW SC SC SC SC SC FW CL FW FW CL PoP 12hr 20 50 30 5 5 10 5 0 0 Rain shwrs S S C C Tstms S C S $$ IAZ004-310900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 75 58 73 56 Temp 77 74 64 61 59 59 66 73 75 73 63 61 59 59 65 70 71 70 61 58 58 57 Dewpt 62 64 63 61 59 59 62 63 63 63 61 60 58 58 61 61 62 61 59 58 57 56 RH 60 71 97100100100 87 71 66 71 93 97 96 96 87 73 73 73 93100 96 96 Wind dir E E E E E E E E SE SE SE SE SE SE SE SE SE S S SW SW SW Wind spd 9 6 5 5 5 5 8 9 9 6 5 4 3 3 4 5 5 4 3 4 4 4 Clouds B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC B1 PoP 12hr 20 40 30 30 20 QPF 12hr 0 0.08 0.01 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S C C C C C C S S C Tstms S S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 51 61 40 60 44 68 46 72 Temp 72 71 59 53 58 57 45 41 56 58 47 46 64 64 50 47 68 68 Dewpt 60 60 57 51 45 41 38 37 38 39 40 40 45 46 43 43 49 52 PWind dir SW NW N NW NW W NW W W Wind char LT GN BZ GN GN LT GN LT GN Avg clouds SC SC B1 B2 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 40 60 20 5 5 5 5 0 0 Rain shwrs C C L L S Tstms C C S $$ IAZ035-310900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 60 76 58 74 55 Temp 80 76 66 62 61 60 65 74 75 72 65 63 60 59 65 70 72 70 62 58 57 56 Dewpt 64 65 65 62 61 60 63 63 63 63 62 61 60 59 61 61 61 61 60 58 57 56 RH 58 69 97100100100 93 69 66 73 90 93100100 87 73 68 73 93100100100 Wind dir E E E E E E E SE SE E E SE E E SE SE SE SE SE E NE NE Wind spd 8 6 5 5 5 5 6 8 9 5 4 3 3 3 4 5 5 4 2 2 2 2 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B1 B1 B1 B1 SC B1 B1 PoP 12hr 20 50 40 30 20 QPF 12hr 0.05 0.08 0.06 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C S C S S C C C C S S S S S Tstms C S S S C S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 78 54 65 41 63 44 71 46 75 Temp 73 72 59 55 62 59 47 42 58 59 47 46 66 65 51 47 70 69 Dewpt 59 59 57 54 48 44 39 38 39 41 40 41 45 48 45 44 50 52 PWind dir SW W N NW NW W NW W W Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC SC SC B2 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 50 20 5 5 5 5 0 0 Rain shwrs S S C C S Tstms S C C S $$ IAZ094-310900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 72 60 70 57 Temp 81 77 70 68 65 64 68 71 71 69 65 63 62 62 64 66 69 67 63 61 59 58 Dewpt 59 61 62 62 62 62 63 63 63 63 64 63 62 61 62 60 60 60 59 58 58 57 RH 47 58 76 81 90 93 84 76 76 81 97100100 97 93 81 73 78 87 90 96 96 Wind dir SE SE E E E E SE SE SE E E E E E SE SE E E E E NE NE Wind spd 5 3 4 5 5 5 6 6 6 5 4 4 4 5 5 5 5 3 2 2 2 2 Clouds B2 OV OV OV OV B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B1 B2 B2 B2 PoP 12hr 50 50 50 40 20 QPF 12hr 0.06 0.04 0.31 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C S S C C C C S S S S S Tstms S S C C S S S C S S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 55 68 43 64 45 72 47 75 Temp 72 71 60 58 65 61 50 45 61 60 50 48 67 67 53 49 72 71 Dewpt 57 59 57 57 56 48 44 41 39 41 42 42 46 48 48 46 50 52 PWind dir NE W NW N NW W W NW SW Wind char LT LT GN LT GN LT GN LT LT Avg clouds B1 SC FW SC B1 B1 FW FW SC SC SC SC FW FW CL FW FW FW PoP 12hr 20 20 40 5 5 5 5 0 0 Rain shwrs S S C S Tstms S S $$ IAZ017-310900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 57 75 55 73 54 Temp 76 74 64 60 58 58 67 73 75 71 61 58 56 58 65 70 72 70 61 58 56 56 Dewpt 64 64 62 60 58 57 61 62 62 61 59 56 54 53 58 60 59 60 58 56 55 54 RH 66 71 93100100 96 81 68 64 71 93 93 93 83 78 71 64 71 90 93 96 93 Wind dir E E E E E E SE SE E E SE E SE E SE SE SE SE SE S S S Wind spd 6 5 4 4 4 4 6 8 6 5 3 2 2 2 3 4 4 2 2 2 2 2 Clouds B2 B1 B1 SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 20 10 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 75 52 61 40 58 43 67 45 70 Temp 73 71 59 55 59 56 44 42 55 55 46 45 63 62 49 47 67 66 Dewpt 59 60 57 53 48 43 38 37 40 41 39 39 46 48 43 43 50 52 PWind dir SW W NW NW NW W NW W W Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC SC SC B2 B1 SC SC SC SC B1 SC SC SC FW FW FW FW FW PoP 12hr 30 50 30 0 5 10 5 0 0 Rain shwrs S C C C C Tstms S C C S $$ IAZ049-310900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 75 56 74 53 Temp 79 73 66 62 60 58 65 73 75 71 64 60 57 59 65 70 74 70 62 58 55 54 Dewpt 64 65 64 62 59 58 61 62 62 62 61 59 56 55 59 59 59 59 57 56 54 53 RH 60 76 93100 96100 87 68 64 73 90 96 96 87 81 68 59 68 84 93 96 96 Wind dir E E E E E E E E E E E E E E SE SE SE E E E E NE Wind spd 8 5 5 5 5 5 6 6 6 4 3 3 3 3 4 5 4 2 2 2 2 2 Clouds B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 20 40 20 20 10 QPF 12hr 0.03 0.02 0.19 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C C S S S S Tstms S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 54 65 41 60 43 69 45 72 Temp 74 72 60 56 62 59 47 42 57 57 47 45 65 64 51 47 69 67 Dewpt 58 59 56 55 52 45 40 38 40 41 40 40 47 48 46 43 50 52 PWind dir S W NW NW NW W W W W Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC FW FW B1 B1 SC FW FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 40 30 5 5 10 5 0 0 Rain shwrs S C C Tstms S S $$ IAZ086-310900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 300 PM CDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 62 77 59 75 55 Temp 83 77 70 67 64 62 70 76 77 74 67 64 61 60 68 73 75 72 63 60 58 56 Dewpt 62 64 64 63 62 60 62 62 62 63 62 61 58 58 59 58 57 58 57 56 55 54 RH 49 64 81 87 93 93 76 62 60 69 84 90 90 93 73 59 54 61 81 87 90 93 Wind dir E E E E E E SE SE SE E E E E E SE SE E E E NE NE NE Wind spd 5 6 5 5 5 5 6 6 5 4 4 4 4 4 4 5 5 4 3 2 2 2 Clouds B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 20 50 30 20 10 QPF 12hr 0.01 0.31 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C C S S Tstms S S S S S Date 09/02 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 77 56 70 43 63 45 71 47 75 Temp 75 73 61 59 67 61 49 45 60 59 49 48 67 66 53 49 71 69 Dewpt 57 58 57 57 55 49 44 40 39 41 42 41 46 48 47 45 50 52 PWind dir NE W NW NW NW W W NW NW Wind char LT LT GN GN GN LT GN LT LT Avg clouds SC FW FW SC B1 SC FW FW FW SC SC SC SC FW CL CL FW FW PoP 12hr 10 20 50 5 5 10 10 5 0 Rain shwrs S C C Tstms S S $$