Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
675 FOUS53 KDMX 290929 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 429 AM CDT Fri Aug 29 2025 IAZ060-292100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 84 60 83 63 74 Temp 60 73 81 83 81 71 67 63 60 73 81 81 77 70 68 67 65 68 72 72 70 Dewpt 58 62 60 60 61 62 61 60 59 62 61 60 62 62 62 62 61 61 62 61 60 RH 93 68 49 46 51 73 81 90 96 68 51 49 60 76 81 84 87 78 71 68 71 Wind dir SE S S SE SE E SE SE SE SE SE E E E E E E E E E E Wind spd 2 3 4 4 5 4 4 3 3 4 5 5 6 5 5 4 4 5 6 6 6 Clouds SC SC SC B1 B1 B1 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 10 20 30 QPF 12hr 0 0 0 0.42 0.89 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S Tstms S S S S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 61 73 58 76 57 72 47 68 Temp 64 62 70 70 62 59 72 73 62 59 69 65 54 49 65 64 Dewpt 61 60 59 58 58 57 59 59 58 56 54 50 48 45 44 44 PWind dir E SE NE N W NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC SC PoP 12hr 40 20 10 10 30 30 10 5 Rain shwrs S C S S C C S Tstms S S S S S $$ IAZ039-292100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 78 59 75 Temp 57 67 76 77 73 65 62 59 58 68 76 76 73 66 63 61 60 67 72 74 71 Dewpt 57 62 63 63 64 63 61 59 58 63 64 64 64 63 62 60 59 61 62 61 61 RH 100 84 64 62 73 93 97100100 84 66 66 73 90 97 97 96 81 71 64 71 Wind dir SE SE S S E SE SE SE SE SE SE E E E E E E SE SE SE SE Wind spd 4 5 5 5 4 4 3 3 3 4 5 4 4 3 3 3 3 5 5 5 4 Clouds B1 B1 B1 B1 B1 SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 20 10 20 QPF 12hr 0 0.05 0.01 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S S S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 73 55 76 56 67 45 65 Temp 61 59 71 69 59 57 74 71 60 58 64 61 50 46 62 60 Dewpt 59 57 58 58 56 55 58 59 57 56 55 49 47 43 44 44 PWind dir SE SE E SW W NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 SC SC SC SC PoP 12hr 10 10 10 10 30 30 10 5 Rain shwrs C C S Tstms S $$ IAZ048-292100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 59 81 61 74 Temp 58 71 79 81 79 69 65 62 59 71 78 79 75 68 65 64 63 68 72 72 70 Dewpt 58 63 63 62 64 63 62 61 59 64 63 63 63 63 63 61 61 62 62 62 61 RH 100 76 58 53 60 81 90 97100 79 60 58 66 84 93 90 93 81 71 71 73 Wind dir SE S S S E E SE SE SE SE SE SE E E E E E E SE SE E Wind spd 2 3 4 4 3 3 3 3 2 3 5 5 5 4 4 3 3 5 6 6 5 Clouds B1 SC B1 B1 B1 B1 B1 B1 SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 10 20 30 QPF 12hr 0 0 0.02 0.31 0.40 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S Tstms S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 59 73 56 76 56 70 45 67 Temp 63 60 70 69 60 57 72 72 60 58 66 63 51 47 64 63 Dewpt 61 59 60 59 58 57 59 60 58 57 54 50 47 43 44 46 PWind dir E SE E NW W NW NW NW Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC B1 B1 SC FW SC SC SC PoP 12hr 30 20 20 10 30 30 10 5 Rain shwrs S C S S C C Tstms S C S S $$ IAZ004-292100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 59 76 58 74 Temp 57 69 76 78 75 65 62 60 59 68 74 75 72 64 62 60 60 66 70 72 69 Dewpt 57 62 62 62 63 61 60 59 59 62 62 62 63 61 60 59 59 62 62 63 62 RH 100 78 62 58 66 87 93 96100 81 66 64 73 90 93 96 96 87 76 73 78 Wind dir S S S S SE SE S SE SE SE SE SE E E E E SE SE SE SE SE Wind spd 3 4 5 5 4 3 3 4 2 3 5 5 5 4 4 4 4 5 8 8 5 Clouds B2 B1 B1 B1 B1 SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 20 20 40 QPF 12hr 0 0 0.02 0 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C S Tstms S S S C Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 71 56 74 53 65 44 64 Temp 60 59 68 68 58 57 71 70 59 55 61 60 49 45 60 60 Dewpt 60 58 61 61 58 56 60 60 57 53 49 47 43 40 43 45 PWind dir SE SE S SW W N NW NW Wind char LT LT LT LT GN BZ GN GN Avg clouds B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 30 30 20 30 50 20 10 5 Rain shwrs S C C S S S C C C S Tstms C S S C $$ IAZ035-292100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 79 60 75 Temp 57 70 78 80 77 66 64 61 59 71 78 78 74 65 63 62 61 67 72 72 69 Dewpt 57 63 62 62 64 63 62 60 59 63 62 63 64 63 62 61 60 63 62 62 62 RH 100 78 58 54 64 90 93 97100 76 58 60 71 93 97 97 97 87 71 71 78 Wind dir SE S S S SE SE SE SE SE SE SE SE E E E E E SE SE SE SE Wind spd 2 3 4 5 3 4 3 3 2 3 4 5 5 4 4 4 4 5 6 8 5 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 20 30 30 QPF 12hr 0 0 0.04 0.12 0.31 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C C S Tstms S S S S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 59 73 56 76 55 68 45 67 Temp 61 60 70 69 59 57 72 71 60 57 64 62 50 45 63 62 Dewpt 61 59 60 60 58 57 60 60 57 55 52 49 45 42 43 45 PWind dir SE SE SE SW W NW NW NW Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 20 20 20 40 20 10 5 Rain shwrs S C S S S S C C S Tstms S C S S S S $$ IAZ094-292100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 60 83 63 74 Temp 58 74 80 82 79 69 66 63 60 74 81 81 76 70 68 67 64 68 72 72 69 Dewpt 57 61 59 58 60 60 59 58 58 61 58 58 60 60 61 61 60 61 61 61 62 RH 96 64 49 44 52 73 78 84 93 64 46 46 58 71 78 81 87 78 68 68 78 Wind dir NW S S S SE SE SE SE SE SE S SE SE E E E SE SE SE SE E Wind spd 2 2 4 4 3 3 2 2 3 4 5 5 4 4 4 5 5 5 5 5 5 Clouds FW FW FW SC SC SC SC SC SC SC SC B2 B2 B2 B2 OV OV B2 B2 B2 B2 PoP 12hr 5 5 10 20 40 QPF 12hr 0 0 0 0.05 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C Tstms S S C S C C Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 71 58 73 56 72 47 68 Temp 63 61 68 68 62 59 71 70 60 57 68 65 52 47 65 64 Dewpt 61 59 59 58 58 57 58 60 58 56 56 54 49 45 43 44 PWind dir E SE E NE NW NW NW NW Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW PoP 12hr 40 40 10 10 10 30 10 5 Rain shwrs C C S S S C S Tstms C S S S $$ IAZ017-292100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 57 76 58 74 Temp 56 68 76 78 73 63 61 59 59 67 74 76 72 64 61 60 59 66 72 72 69 Dewpt 56 63 64 63 64 62 61 59 58 63 65 64 64 62 60 59 59 62 62 62 61 RH 100 84 66 60 73 97100100 96 87 74 66 76 93 97 96100 87 71 71 76 Wind dir SE S S S SE SE SE SE SE SE SE E E E E E E SE SE SE SE Wind spd 3 4 4 4 3 2 2 2 2 2 3 4 3 2 2 2 2 4 5 5 4 Clouds B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 20 10 20 10 30 QPF 12hr 0.02 0 0.02 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C Tstms S S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 72 55 74 53 65 43 63 Temp 60 58 70 69 58 57 72 70 59 56 62 60 47 45 60 59 Dewpt 58 57 61 59 56 55 60 60 57 55 52 48 44 41 44 45 PWind dir SE SE S SW W NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B1 B2 B1 B1 SC B1 SC SC SC B2 B1 SC SC SC SC SC PoP 12hr 10 20 10 20 40 30 10 5 Rain shwrs S S C C C S Tstms S $$ IAZ049-292100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 58 79 59 74 Temp 57 68 77 79 75 66 62 60 58 68 77 78 73 66 63 61 61 66 71 72 69 Dewpt 57 63 63 62 64 63 61 60 58 63 63 63 64 63 61 60 59 62 62 61 61 RH 100 84 62 56 69 90 97100100 84 62 60 73 90 93 97 93 87 73 68 76 Wind dir SE SE S S E E SE SE E SE SE SE E E E E E SE SE SE E Wind spd 3 4 4 4 3 4 3 3 3 3 4 4 4 4 3 3 3 5 5 5 4 Clouds B1 B1 B1 B1 B1 SC B1 B1 SC SC B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 20 10 10 20 20 QPF 12hr 0 0 0.02 0.08 0.38 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 71 55 75 55 67 45 65 Temp 61 59 69 68 58 56 72 71 59 57 64 61 50 46 62 61 Dewpt 59 57 59 58 56 54 59 59 57 55 55 49 47 43 44 45 PWind dir E SE NE NW W NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B2 B1 B1 SC SC SC SC SC SC B1 SC FW SC SC SC PoP 12hr 20 20 10 10 30 30 20 5 Rain shwrs S S C C S S S Tstms S S $$ IAZ086-292100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 429 AM CDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 59 83 62 75 Temp 59 72 80 82 78 69 64 61 59 73 80 80 77 69 67 65 64 68 72 73 71 Dewpt 58 62 61 61 63 63 62 60 59 63 62 62 63 63 62 61 60 61 60 60 61 RH 96 71 52 49 60 81 93 97100 71 54 54 62 81 84 87 87 78 66 64 71 Wind dir SE SE S E E E SE SE SE SE SE E E E E E E E E E E Wind spd 3 4 3 4 4 5 4 4 4 4 4 5 5 5 5 4 4 5 5 5 5 Clouds SC SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 20 10 10 20 20 QPF 12hr 0 0 0.01 0.13 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S S S Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 59 73 56 76 56 73 47 68 Temp 64 60 70 69 61 58 73 71 60 58 69 65 53 49 64 64 Dewpt 59 57 57 57 56 56 58 59 58 56 57 53 49 46 44 45 PWind dir E SE E NE NW NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B2 B1 B1 SC B1 B1 SC SC SC SC SC FW SC SC FW PoP 12hr 30 20 10 10 20 40 20 10 Rain shwrs C S S S C C S Tstms S $$