Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
850 FOUS53 KDMX 301130 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 629 AM CDT Sat Aug 30 2025 IAZ060-302100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 83 63 76 61 75 Temp 63 74 82 83 78 70 68 65 63 68 73 75 73 67 64 63 62 67 71 73 71 Dewpt 60 62 61 60 62 63 62 62 62 62 63 63 62 62 62 61 60 60 60 60 59 RH 90 66 49 46 58 78 81 90 97 81 71 66 68 84 93 93 93 78 68 64 66 Wind dir E SE SE E E E E E E E SE SE E E E E E SE SE E E Wind spd 3 3 5 6 5 6 5 5 5 5 6 6 5 4 4 4 4 5 5 5 4 Clouds B1 B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 20 30 40 40 40 QPF 12hr 0 0.02 0.35 0.11 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C C C C C S S Tstms S S S C C C S S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 79 58 69 46 68 49 75 Temp 62 59 75 74 63 60 65 64 53 47 63 64 52 51 70 70 Dewpt 58 57 59 59 59 58 52 45 45 43 42 43 45 45 48 48 PWind dir NE NW W N N NW SW W Wind char LT LT LT GN LT GN LT GN Avg clouds SC B1 SC SC SC B1 B1 SC SC SC SC SC FW FW FW FW PoP 12hr 20 30 30 20 5 5 5 0 Rain shwrs S S C S C S Tstms C S S S $$ IAZ039-302100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 59 76 56 76 Temp 61 67 74 76 73 65 63 60 59 67 74 75 72 64 60 58 58 66 73 75 71 Dewpt 61 64 64 64 64 63 61 59 58 60 61 61 60 58 56 55 54 58 59 59 59 RH 100 90 71 66 73 93 93 96 96 78 64 62 66 81 87 90 86 75 62 58 66 Wind dir E E E E E E E E E E E E E E E E E SE SE SE E Wind spd 5 4 5 5 5 5 4 4 5 6 8 6 5 4 3 3 3 4 5 5 3 Clouds B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 SC SC SC PoP 12hr 20 10 20 10 20 QPF 12hr 0.01 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S Tstms S S Obvis F Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 77 55 65 43 64 46 70 Temp 59 56 74 71 61 58 62 60 49 45 59 59 50 48 66 64 Dewpt 56 55 59 59 59 56 50 45 42 41 42 43 44 44 48 49 PWind dir E SW W N NW NW SW W Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC SC SC B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 20 30 40 30 5 5 5 5 Rain shwrs S S C S C C S Tstms C S S $$ IAZ048-302100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 61 77 59 75 Temp 61 71 79 80 76 67 65 62 61 67 74 76 72 65 62 61 60 66 71 74 71 Dewpt 60 64 63 63 64 64 62 61 61 63 63 64 63 63 62 60 59 61 61 61 61 RH 97 79 58 56 66 90 90 97100 87 69 66 73 93100 97 96 84 71 64 71 Wind dir E E SE E E E E E E E SE SE E E E E E E SE SE E Wind spd 3 3 5 5 5 5 4 4 4 5 6 6 5 3 3 2 2 4 5 5 4 Clouds B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B1 B1 SC SC PoP 12hr 20 30 40 40 40 QPF 12hr 0 0.01 0.20 0.06 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C S S C C C C S S Tstms S C C S S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 56 78 56 68 44 67 47 74 Temp 60 58 74 72 61 57 64 62 49 45 61 62 51 48 69 67 Dewpt 58 56 59 60 60 56 50 46 44 41 43 45 45 45 48 50 PWind dir NE W W N N NW SW NW Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC SC SC B1 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 20 30 40 20 5 0 5 0 Rain shwrs S S C C C S Tstms C C S S $$ IAZ004-302100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 59 75 58 74 Temp 57 66 74 75 73 64 62 60 59 66 72 75 72 63 61 60 59 65 71 73 71 Dewpt 57 62 63 63 63 63 61 60 59 62 63 63 63 61 60 58 58 61 62 62 62 RH 100 87 69 66 71 97 97100100 87 73 66 73 93 97 93 96 87 73 68 73 Wind dir E E E E E E E E E E E E SE SE SE SE SE SE SE SE S Wind spd 3 4 6 8 5 5 5 5 5 6 9 8 5 5 4 3 3 4 5 5 4 Clouds B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 30 30 40 30 50 QPF 12hr 0.03 0.08 0.05 0.02 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C S S C C C C C C S Tstms S S C S S C S Obvis PF Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 76 51 64 42 65 47 70 Temp 60 58 71 70 58 52 60 59 47 44 60 61 50 48 66 66 Dewpt 59 58 61 61 56 50 47 44 41 39 41 44 44 42 46 48 PWind dir SW W NW N NW NW W NW Wind char LT LT GN GN LT GN LT GN Avg clouds B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 30 50 40 20 5 5 5 5 Rain shwrs S C C C C C S Tstms S S S C C $$ IAZ035-302100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 77 59 75 Temp 58 68 77 79 75 65 63 61 60 66 74 76 72 64 62 61 59 66 71 73 71 Dewpt 58 64 63 64 65 64 62 61 60 63 63 63 63 62 61 60 59 62 61 61 61 RH 100 87 62 60 71 97 97100100 90 69 64 73 93 97 97100 87 71 66 71 Wind dir E SE SE E E E E E E E SE SE E E E E E SE SE SE SE Wind spd 3 4 5 6 5 5 5 5 5 6 6 8 5 4 3 3 3 4 5 5 4 Clouds B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 20 20 40 40 40 QPF 12hr 0.11 0.05 0.13 0.05 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C C C C C C C S Tstms S S S S C S S S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 56 78 53 66 43 67 46 73 Temp 59 57 74 72 59 55 63 61 48 44 61 62 50 48 68 66 Dewpt 59 57 61 61 59 54 49 45 42 41 42 44 44 44 47 50 PWind dir S W NW N NW NW SW NW Wind char LT LT LT GN LT GN LT GN Avg clouds SC B1 SC SC B1 B2 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 30 40 50 20 5 5 5 5 Rain shwrs S C S C C C S Tstms S S C C S $$ IAZ094-302100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 63 72 60 72 Temp 59 74 81 80 76 69 67 65 63 68 71 72 69 65 64 63 62 65 68 70 68 Dewpt 56 62 59 58 61 61 62 62 62 63 62 63 63 63 62 61 60 61 60 59 59 RH 90 66 47 47 60 76 84 90 97 84 73 73 81 93 93 93 93 87 76 68 73 Wind dir SE SE SE SE E E E E E SE SE E E E E E E E SE E E Wind spd 2 3 5 5 3 4 4 4 5 5 5 5 4 4 4 4 4 5 5 5 3 Clouds B1 SC B1 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 B1 PoP 12hr 10 50 50 40 40 QPF 12hr 0 0.01 0.11 0.11 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S S C C C C C C Tstms S S S S S S S S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 76 57 70 45 67 48 75 Temp 61 58 73 72 61 58 66 63 52 46 62 62 51 49 70 69 Dewpt 58 57 58 59 59 58 55 49 46 43 42 45 46 45 49 51 PWind dir NE N W N N NW SW W Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 SC SC FW SC B1 SC SC SC SC SC FW FW FW FW PoP 12hr 20 30 20 30 5 5 5 0 Rain shwrs S C S S C S Tstms S S S S $$ IAZ017-302100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 58 75 55 75 Temp 60 65 72 75 72 64 61 59 58 66 73 75 71 62 59 57 56 65 71 73 70 Dewpt 60 63 65 64 64 62 60 59 57 61 62 62 61 59 56 54 53 58 60 60 60 RH 100 93 79 69 76 93 97100 96 84 68 64 71 90 90 90 90 78 68 64 71 Wind dir E E E E E E E E E E E E E SE E SE E SE SE SE SE Wind spd 4 4 5 5 4 4 4 4 4 5 6 6 5 3 2 2 2 3 4 4 3 Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC SC PoP 12hr 20 10 20 20 30 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C Tstms S S S Obvis F Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 55 75 52 63 41 63 45 68 Temp 59 57 72 70 59 54 60 58 47 43 59 59 49 47 65 63 Dewpt 57 55 61 61 57 52 48 45 41 39 43 43 42 42 48 48 PWind dir S SW NW N NW NW SW NW Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC B1 B1 B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 20 40 40 20 5 5 5 5 Rain shwrs S S C C C S Tstms S C C S $$ IAZ049-302100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 59 76 56 75 Temp 60 69 77 78 74 66 64 60 59 66 73 75 71 64 61 59 58 65 72 74 71 Dewpt 60 63 65 64 64 63 62 60 58 61 62 62 62 61 59 56 55 59 59 59 59 RH 100 81 67 62 71 90 93100 96 84 68 64 73 90 93 90 90 81 64 59 66 Wind dir E E E E E E E E E E E E E E E E E E SE SE E Wind spd 4 4 5 5 5 5 4 5 5 5 5 5 4 3 3 3 3 3 5 4 3 Clouds B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC PoP 12hr 20 20 30 30 30 QPF 12hr 0.02 0.02 0.07 0.01 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C C C Tstms S C C S S Obvis PF Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 77 55 66 43 65 46 71 Temp 58 56 74 71 60 57 63 61 48 43 60 59 50 48 67 65 Dewpt 56 54 59 59 57 56 50 45 42 40 43 44 44 43 49 48 PWind dir E W W N NW NW SW W Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC SC SC B1 B1 SC FW SC SC SC SC FW FW FW PoP 12hr 20 30 40 20 5 5 10 5 Rain shwrs S S C S C S Tstms C S S S $$ IAZ086-302100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 629 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 83 63 77 59 75 Temp 62 73 81 81 77 69 67 65 63 70 74 76 74 66 64 62 61 67 72 74 71 Dewpt 60 64 62 62 63 63 62 61 60 62 62 62 62 62 60 58 58 60 57 57 58 RH 93 73 53 53 62 81 84 87 90 76 66 62 66 87 87 87 90 78 59 55 63 Wind dir E SE SE E E E E E E SE SE SE E E E E E SE E E E Wind spd 3 4 4 5 6 5 5 5 5 5 5 5 4 3 3 3 3 4 5 5 4 Clouds SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC PoP 12hr 20 20 30 30 30 QPF 12hr 0.04 0 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C C C S S Tstms S S C Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 55 79 57 70 45 67 48 75 Temp 61 58 75 74 62 59 65 63 51 47 62 62 51 50 70 69 Dewpt 56 55 56 58 58 57 56 49 45 43 42 44 44 45 49 49 PWind dir NE N W NW N NW SW W Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC B1 SC FW SC SC SC SC FW FW FW PoP 12hr 20 20 30 40 10 5 10 5 Rain shwrs S S S S C C S Tstms S S S S $$