Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
103 FOUS53 KDMX 311716 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1216 PM CDT Sun Aug 31 2025 IAZ060-312100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 75 61 73 56 78 Temp 74 74 72 67 65 64 62 65 70 72 70 65 61 59 57 67 75 77 74 Dewpt 63 64 64 64 63 62 61 61 61 59 59 59 59 57 56 59 58 57 58 RH 69 71 76 90 93 93 97 87 73 64 68 81 93 93 96 75 55 50 57 Wind dir SE SE SE SE E E E E SE SE SE NE NE N NE NE E NW W Wind spd 8 8 5 4 4 4 4 5 6 5 5 3 2 2 2 2 3 3 3 Clouds B2 OV OV OV OV OV B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC PoP 12hr 50 50 30 20 20 QPF 12hr 0.38 0.18 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S S S S Tstms C C C S S S S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 71 46 67 49 74 49 74 Temp 63 60 66 66 54 47 62 64 54 51 69 69 55 50 71 70 Dewpt 59 58 57 49 46 41 41 43 46 46 47 48 47 46 48 48 PWind dir W NW NW NW SW NW W NW Wind char LT GN LT GN LT GN LT LT Avg clouds SC B1 B2 B1 FW FW SC SC SC SC FW FW CL FW FW FW PoP 12hr 30 50 5 0 10 5 5 0 Rain shwrs C C C Tstms S S C $$ IAZ039-312100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 55 75 54 77 Temp 73 75 73 64 61 57 56 66 73 74 71 62 59 56 55 67 74 76 72 Dewpt 60 61 61 59 56 54 52 57 58 58 59 58 56 55 54 59 59 58 60 RH 64 62 66 84 84 90 86 73 59 57 66 87 90 96 96 75 59 54 66 Wind dir SE E E E E E E SE SE SE E E NE NE NE SE SW SW W Wind spd 9 9 5 4 4 3 3 4 5 5 3 2 2 2 2 2 5 5 4 Clouds B1 B1 SC B1 B1 B1 SC SC SC FW FW FW FW FW SC FW FW SC SC PoP 12hr 5 5 10 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 68 42 62 46 68 45 69 Temp 61 59 65 61 50 44 59 59 51 48 64 63 51 46 66 64 Dewpt 59 58 57 49 44 41 41 43 43 44 48 48 46 44 47 49 PWind dir SW NW NW NW SW NW W NW Wind char LT GN GN GN LT GN LT LT Avg clouds SC B1 B2 B1 FW FW SC SC SC SC SC SC FW FW FW FW PoP 12hr 40 50 5 0 10 10 0 0 Rain shwrs C C C Tstms C S S $$ IAZ048-312100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 59 73 55 78 Temp 73 75 71 65 63 61 59 65 70 73 71 62 59 57 55 67 74 76 72 Dewpt 64 64 64 65 63 61 59 61 61 60 60 59 58 57 55 60 59 59 60 RH 73 69 79100100100100 87 73 64 68 90 96100100 78 59 56 66 Wind dir E SE SE E E E E SE SE SE E E NE N NE E SE W W Wind spd 6 8 5 3 3 3 3 4 5 5 4 2 2 2 2 2 4 4 3 Clouds B2 B2 OV OV B2 OV B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 30 20 20 QPF 12hr 0.23 0.21 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C S S S S S S S Tstms S C C S S S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 70 44 65 47 72 46 73 Temp 61 59 66 64 51 44 61 62 52 49 68 66 52 48 70 67 Dewpt 59 58 57 49 45 41 41 43 45 45 48 48 48 45 47 50 PWind dir W NW NW NW SW NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds SC B1 B2 SC FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 40 40 5 0 10 5 5 0 Rain shwrs S C C S Tstms S S S S $$ IAZ004-312100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 58 73 56 76 Temp 70 73 72 64 60 59 59 64 70 72 70 61 59 58 57 66 72 75 72 Dewpt 62 62 63 62 60 59 58 61 62 61 61 59 57 57 56 61 61 60 61 RH 76 68 73 93100100 96 90 76 68 73 93 93 96 96 84 68 60 68 Wind dir E E SE SE SE SE SE SE SE SE S S SW SW SW SW SW W SW Wind spd 9 9 5 4 3 3 3 5 6 5 4 3 3 3 3 5 6 8 5 Clouds B1 B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 SC B1 SC SC PoP 12hr 30 20 40 20 40 QPF 12hr 0 0 0.07 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C S S S S C C C C C Tstms S S S S S S C C Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 66 41 65 46 69 44 70 Temp 59 56 63 61 46 42 59 62 50 48 65 64 50 46 65 65 Dewpt 58 55 49 45 40 37 39 42 43 42 46 47 44 42 45 47 PWind dir W N NW NW W NW NW NW Wind char LT BZ GN GN GN GN LT LT Avg clouds B1 B2 B2 SC FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 70 30 5 0 10 5 0 0 Rain shwrs C L C Tstms C C S $$ IAZ035-312100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 74 55 77 Temp 73 74 70 64 61 59 58 65 71 73 70 62 58 57 55 66 74 75 72 Dewpt 64 64 64 63 61 59 58 62 60 60 60 59 57 57 55 60 60 60 60 RH 73 71 81 97100100100 90 68 64 71 90 96100100 81 62 60 66 Wind dir E SE SE SE E E E SE SE SE E SE SE S NE SW SW W SW Wind spd 8 8 5 3 3 3 3 5 5 5 3 2 2 2 2 2 4 5 4 Clouds B2 B2 B2 B2 B2 OV B2 B1 B1 B1 SC B1 SC B1 SC SC SC SC SC PoP 12hr 50 40 30 20 30 QPF 12hr 0.14 0.06 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S S S S C C C C C Tstms C C C S S S S S S C C Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 69 42 66 46 72 45 72 Temp 60 58 65 63 48 43 60 62 50 48 67 66 50 46 68 67 Dewpt 59 58 53 47 42 39 40 44 45 44 47 48 46 44 46 49 PWind dir W NW NW NW W NW NW NW Wind char LT GN GN GN LT GN LT LT Avg clouds SC B2 B2 SC FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 60 30 5 0 10 5 0 0 Rain shwrs C L C Tstms C C S $$ IAZ094-312100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 60 68 55 76 Temp 71 71 69 66 65 63 62 63 66 67 66 62 60 58 57 66 72 74 71 Dewpt 64 64 64 64 64 62 61 61 60 60 60 59 58 57 56 59 58 57 60 RH 79 79 84 93 97 97 97 93 81 78 81 90 93 96 96 78 61 55 68 Wind dir SE SE SE E E E E SE SE SE E E NE N NE NE E E NW Wind spd 8 8 4 4 4 5 5 5 6 5 3 2 2 2 2 2 3 3 2 Clouds OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 60 70 50 20 20 QPF 12hr 0.08 0.47 0.19 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C L L C C S S S S S S Tstms C C C C C C S S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 72 46 67 48 73 49 75 Temp 61 58 67 64 53 47 62 62 52 51 68 68 55 49 71 69 Dewpt 58 57 59 54 48 43 42 44 45 46 48 51 48 46 50 51 PWind dir W NW N NW W NW W NW Wind char LT GN LT LT LT GN LT LT Avg clouds FW SC B1 B1 FW SC SC SC FW SC FW FW CL FW FW FW PoP 12hr 10 50 5 0 5 5 5 5 Rain shwrs C C Tstms C C $$ IAZ017-312100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 75 55 74 54 75 Temp 72 74 72 62 59 57 56 65 71 73 70 61 57 56 55 66 73 73 70 Dewpt 62 62 62 60 57 55 53 57 59 59 59 57 56 54 54 60 60 60 60 RH 71 66 71 93 93 93 90 75 66 62 68 87 96 93 96 81 64 64 71 Wind dir E E SE SE SE SE E SE SE SE SE SE S SW SW SW SW SW SW Wind spd 8 8 4 3 2 2 2 3 5 4 2 1 1 1 2 3 5 5 4 Clouds B1 SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 5 5 20 10 30 QPF 12hr 0 0 0.01 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C Tstms C C C Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 65 40 62 44 67 43 68 Temp 59 58 62 59 46 42 57 58 49 47 63 62 49 45 65 63 Dewpt 58 56 52 47 41 39 41 42 42 43 47 48 45 42 47 48 PWind dir W NW NW NW W NW NW NW Wind char LT GN GN GN LT GN LT LT Avg clouds SC B2 B2 SC FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 50 40 5 0 10 5 0 0 Rain shwrs C C C Tstms C C $$ IAZ049-312100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 56 73 54 77 Temp 73 74 72 65 61 58 56 64 71 73 70 62 58 56 55 66 74 76 72 Dewpt 62 63 63 62 59 56 54 58 59 58 59 58 56 54 53 59 58 58 59 RH 68 69 73 90 93 93 93 81 66 59 68 87 93 93 93 78 57 54 64 Wind dir E E E E E E E SE SE E NE NE NE NE NE E S SW W Wind spd 8 8 4 4 4 3 3 4 5 4 2 2 2 2 2 2 3 3 2 Clouds B2 B2 B1 B2 B2 B2 B1 B1 SC SC FW FW FW SC SC FW SC SC SC PoP 12hr 20 20 20 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S Tstms S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 69 42 63 45 69 45 70 Temp 60 58 64 62 49 43 60 59 50 48 65 64 51 46 67 64 Dewpt 58 57 57 49 44 40 41 43 44 44 48 48 46 44 48 49 PWind dir W NW NW NW SW NW W NW Wind char LT GN GN GN LT GN LT LT Avg clouds SC B1 B2 B1 FW FW SC SC SC SC SC FW CL FW FW FW PoP 12hr 40 50 5 0 10 5 5 0 Rain shwrs C C C Tstms C S C $$ IAZ086-312100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1216 PM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 55 78 Temp 76 77 74 67 64 62 59 66 72 74 72 63 60 58 56 67 75 77 74 Dewpt 63 63 64 63 61 59 58 60 57 57 59 58 56 55 54 58 57 56 59 RH 64 62 71 87 90 90 96 81 59 55 64 84 87 90 93 73 54 48 59 Wind dir SE SE SE E E E E SE SE E E NE NE N NE E E NE NE Wind spd 8 6 4 4 4 4 4 4 5 5 4 3 2 2 2 2 3 4 3 Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC FW SC PoP 12hr 20 20 20 10 10 QPF 12hr 0.29 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S Tstms S Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 73 45 65 48 72 48 74 Temp 61 59 68 64 53 47 61 62 52 52 67 66 54 49 70 68 Dewpt 57 57 59 54 48 43 41 44 45 47 48 50 48 47 50 51 PWind dir W NW NW NW SW NW W NW Wind char LT GN GN GN LT GN LT LT Avg clouds FW SC B2 B1 SC SC SC FW FW SC FW FW FW FW FW CL PoP 12hr 20 60 10 0 10 10 5 5 Rain shwrs S C L Tstms S S C $$