Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
670 FOUS53 KDMX 300745 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 244 AM CDT Sat Aug 30 2025 IAZ060-310900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 83 63 76 61 Temp 64 62 74 82 83 78 70 68 65 63 68 73 75 73 67 64 63 62 Dewpt 60 59 62 61 60 62 63 62 62 62 62 63 63 62 62 62 61 60 RH 87 90 66 49 46 58 78 81 90 97 81 71 66 68 84 93 93 93 Wind dir SE SE SE SE E E E E E E E SE SE E E E E E Wind spd 2 2 3 5 6 5 6 5 5 5 5 6 6 5 4 4 4 4 Clouds SC B1 B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 20 30 40 40 QPF 12hr 0 0 0.02 0.35 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C C C C Tstms S S S C C C S Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 79 58 69 46 68 49 75 Temp 71 71 62 59 75 74 63 60 65 64 53 47 63 64 52 51 70 70 Dewpt 60 59 58 57 59 59 59 58 52 45 45 43 42 43 45 45 48 48 PWind dir SE NE NW W N N NW SW W Wind char LT LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC B1 SC SC SC B1 B1 SC SC SC SC SC FW FW FW FW PoP 12hr 40 20 30 30 20 5 5 5 0 Rain shwrs C S S S C S C S Tstms S C S S S $$ IAZ039-310900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 77 59 76 56 Temp 61 60 67 74 76 73 65 63 60 59 67 74 75 72 64 60 58 58 Dewpt 60 60 64 64 64 64 63 61 59 58 60 61 61 60 58 56 55 54 RH 97100 90 71 66 73 93 93 96 96 78 64 62 66 81 87 90 86 Wind dir E E E E E E E E E E E E E E E E E E Wind spd 4 3 4 5 5 5 5 4 4 5 6 8 6 5 4 3 3 3 Clouds B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 PoP 12hr 10 20 10 20 10 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S Obvis PF F Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 55 77 55 65 43 64 46 70 Temp 73 71 59 56 74 71 61 58 62 60 49 45 59 59 50 48 66 64 Dewpt 59 59 56 55 59 59 59 56 50 45 42 41 42 43 44 44 48 49 PWind dir SE E SW W N NW NW SW W Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 SC SC SC SC SC SC B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 20 20 30 40 30 5 5 5 5 Rain shwrs S S S S C S C C S Tstms C S S $$ IAZ048-310900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 81 61 77 59 Temp 61 60 71 79 80 76 67 65 62 61 67 74 76 72 65 62 61 60 Dewpt 60 60 64 63 63 64 64 62 61 61 63 63 64 63 63 62 60 59 RH 97100 79 58 56 66 90 90 97100 87 69 66 73 93100 97 96 Wind dir E E E SE E E E E E E E SE SE E E E E E Wind spd 2 2 3 5 5 5 5 4 4 4 5 6 6 5 3 3 2 2 Clouds B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 PoP 12hr 5 20 30 40 40 QPF 12hr 0 0 0.01 0.20 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C S S C C C Tstms S C C S Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 56 78 56 68 44 67 47 74 Temp 71 71 60 58 74 72 61 57 64 62 49 45 61 62 51 48 69 67 Dewpt 61 61 58 56 59 60 60 56 50 46 44 41 43 45 45 45 48 50 PWind dir SE NE W W N N NW SW NW Wind char LT LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 40 20 30 40 20 5 0 5 0 Rain shwrs C S S S C C C S Tstms S C C S S $$ IAZ004-310900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 77 59 75 58 Temp 58 58 66 74 75 73 64 62 60 59 66 72 75 72 63 61 60 59 Dewpt 57 58 62 63 63 63 63 61 60 59 62 63 63 63 61 60 58 58 RH 96100 87 69 66 71 97 97100100 87 73 66 73 93 97 93 96 Wind dir E E E E E E E E E E E E E SE SE SE SE SE Wind spd 2 2 4 6 8 5 5 5 5 5 6 9 8 5 5 4 3 3 Clouds B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 PoP 12hr 5 30 30 40 30 QPF 12hr 0 0.03 0.08 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C S S C C C Tstms S S C S Obvis PF Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 57 76 51 64 42 65 47 70 Temp 71 71 60 58 71 70 58 52 60 59 47 44 60 61 50 48 66 66 Dewpt 62 62 59 58 61 61 56 50 47 44 41 39 41 44 44 42 46 48 PWind dir SE SW W NW N NW NW W NW Wind char LT LT LT GN GN LT GN LT GN Avg clouds B2 B1 B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 50 30 50 40 20 5 5 5 5 Rain shwrs C C S C C C C C S Tstms S S S S C C $$ IAZ035-310900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 80 60 77 59 Temp 60 59 68 77 79 75 65 63 61 60 66 74 76 72 64 62 61 59 Dewpt 59 59 64 63 64 65 64 62 61 60 63 63 63 63 62 61 60 59 RH 96100 87 62 60 71 97 97100100 90 69 64 73 93 97 97100 Wind dir E E SE SE E E E E E E E SE SE E E E E E Wind spd 3 3 4 5 6 5 5 5 5 5 6 6 8 5 4 3 3 3 Clouds B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 20 20 40 40 QPF 12hr 0 0.11 0.05 0.13 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C C C C Tstms S S S S C S Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 56 78 53 66 43 67 46 73 Temp 71 71 59 57 74 72 59 55 63 61 48 44 61 62 50 48 68 66 Dewpt 61 61 59 57 61 61 59 54 49 45 42 41 42 44 44 44 47 50 PWind dir SE S W NW N NW NW SW NW Wind char LT LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC B1 SC SC B1 B2 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 40 30 40 50 20 5 5 5 5 Rain shwrs C C S C S C C C S Tstms S S S C C S $$ IAZ094-310900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 82 63 72 60 Temp 62 59 74 81 80 76 69 67 65 63 68 71 72 69 65 64 63 62 Dewpt 58 57 62 59 58 61 61 62 62 62 63 62 63 63 63 62 61 60 RH 87 93 66 47 47 60 76 84 90 97 84 73 73 81 93 93 93 93 Wind dir SE E SE SE SE E E E E E SE SE E E E E E E Wind spd 2 2 3 5 5 3 4 4 4 5 5 5 5 4 4 4 4 4 Clouds SC B1 SC B1 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV OV PoP 12hr 5 10 50 50 40 QPF 12hr 0 0 0.01 0.11 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S S C C C Tstms S S S S S S S Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 56 76 57 70 45 67 48 75 Temp 68 68 61 58 73 72 61 58 66 63 52 46 62 62 51 49 70 69 Dewpt 60 59 58 57 58 59 59 58 55 49 46 43 42 45 46 45 49 51 PWind dir E NE N W N N NW SW W Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B2 B1 B1 SC SC FW SC B1 SC SC SC SC SC FW FW FW FW PoP 12hr 40 20 30 20 30 5 5 5 0 Rain shwrs C C S C S S C S Tstms S S S S S $$ IAZ017-310900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 76 58 75 55 Temp 60 59 65 72 75 72 64 61 59 58 66 73 75 71 62 59 57 56 Dewpt 59 59 63 65 64 64 62 60 59 57 61 62 62 61 59 56 54 53 RH 96100 93 79 69 76 93 97100 96 84 68 64 71 90 90 90 90 Wind dir E E E E E E E E E E E E E E SE E SE E Wind spd 4 3 4 5 5 4 4 4 4 4 5 6 6 5 3 2 2 2 Clouds B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 5 20 10 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S Obvis PF F Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 75 52 63 41 63 45 68 Temp 71 70 59 57 72 70 59 54 60 58 47 43 59 59 49 47 65 63 Dewpt 60 60 57 55 61 61 57 52 48 45 41 39 43 43 42 42 48 48 PWind dir SE S SW NW N NW NW SW NW Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 SC SC SC SC B1 B1 B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 30 20 40 40 20 5 5 5 5 Rain shwrs S C S S C C C S Tstms S S C C S $$ IAZ049-310900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 79 59 76 56 Temp 61 60 69 77 78 74 66 64 60 59 66 73 75 71 64 61 59 58 Dewpt 60 60 63 65 64 64 63 62 60 58 61 62 62 62 61 59 56 55 RH 97100 81 67 62 71 90 93100 96 84 68 64 73 90 93 90 90 Wind dir E E E E E E E E E E E E E E E E E E Wind spd 4 3 4 5 5 5 5 4 5 5 5 5 5 4 3 3 3 3 Clouds B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 10 20 20 30 30 QPF 12hr 0 0.02 0.02 0.07 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C Tstms S C C Obvis PF Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 55 77 55 66 43 65 46 71 Temp 72 71 58 56 74 71 60 57 63 61 48 43 60 59 50 48 67 65 Dewpt 59 59 56 54 59 59 57 56 50 45 42 40 43 44 44 43 49 48 PWind dir SE E W W N NW NW SW W Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 SC SC SC SC SC SC B1 B1 SC FW SC SC SC SC FW FW FW PoP 12hr 30 20 30 40 20 5 5 10 5 Rain shwrs C C S S C S C S Tstms S C S S S $$ IAZ086-310900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 244 AM CDT Sat Aug 30 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 83 63 77 59 Temp 63 62 73 81 81 77 69 67 65 63 70 74 76 74 66 64 62 61 Dewpt 62 61 64 62 62 63 63 62 61 60 62 62 62 62 62 60 58 58 RH 97 97 73 53 53 62 81 84 87 90 76 66 62 66 87 87 87 90 Wind dir SE SE SE SE E E E E E E SE SE SE E E E E E Wind spd 3 3 4 4 5 6 5 5 5 5 5 5 5 4 3 3 3 3 Clouds SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 20 20 30 30 QPF 12hr 0 0.04 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C C Tstms S S C Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 79 57 70 45 67 48 75 Temp 72 71 61 58 75 74 62 59 65 63 51 47 62 62 51 50 70 69 Dewpt 57 58 56 55 56 58 58 57 56 49 45 43 42 44 44 45 49 49 PWind dir E NE N W NW N NW SW W Wind char LT LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC SC SC SC SC SC B1 SC FW SC SC SC SC FW FW FW PoP 12hr 30 20 20 30 40 10 5 10 5 Rain shwrs C S S S S S C C S Tstms S S S S $$