Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
143 FOUS53 KDMX 312145 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 445 PM CDT Sun Aug 31 2025 IAZ060-010900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 74 56 78 60 Temp 72 68 67 65 63 66 72 74 72 64 61 58 56 67 75 78 76 67 64 62 60 Dewpt 64 64 64 62 61 61 61 59 59 59 59 57 56 59 57 57 58 58 58 58 58 RH 76 87 90 90 93 84 68 59 64 84 93 96100 75 54 48 54 73 81 87 93 Wind dir SE SE E E E E SE SE SE NE NE N N N NW W W SW SW W W Wind spd 4 4 4 4 4 5 6 5 5 3 2 2 2 2 3 3 3 3 4 5 5 Clouds OV OV OV OV B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC FW SC B1 B2 PoP 12hr 40 20 10 10 20 QPF 12hr 0.18 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S S L Tstms C S S S C Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 73 46 67 50 70 46 71 47 75 Temp 72 66 55 47 64 65 55 51 68 67 52 47 68 68 53 47 71 72 Dewpt 58 52 47 43 42 43 46 47 47 46 46 44 45 46 47 45 47 49 PWind dir NW NW NW SW NW NW NW E S Wind char GN LT GN LT GN LT LT LT LT Avg clouds B1 B1 SC FW SC SC SC SC FW FW CL CL CL FW FW FW FW FW PoP 12hr 60 10 0 20 5 0 0 5 10 Rain shwrs L C S Tstms C C S $$ IAZ039-010900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 75 54 77 58 Temp 71 65 62 58 56 66 73 75 71 62 58 56 54 66 74 76 73 64 61 60 59 Dewpt 62 60 57 54 53 57 58 58 59 58 56 55 54 59 59 59 60 60 59 58 58 RH 73 84 84 86 90 73 59 55 66 87 93 96100 78 59 56 64 87 93 93 96 Wind dir E E E E E SE SE SE E E NE NE NE W W W SW SW SW SW W Wind spd 8 4 4 3 3 4 5 5 3 2 2 2 1 2 4 5 4 3 4 5 5 Clouds B1 B1 B1 B1 SC SC SC FW FW FW FW FW SC SC SC SC SC SC B1 B2 B2 PoP 12hr 5 5 5 10 30 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms S C C S Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 43 62 46 65 43 66 44 69 Temp 66 62 51 44 59 60 51 47 63 62 49 44 63 63 48 44 66 66 Dewpt 58 52 46 41 42 44 44 45 49 47 45 42 47 49 45 43 49 52 PWind dir NW NW NW SW NW NW NW NW SW Wind char GN GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC SC SC SC SC SC SC SC FW CL FW FW FW FW FW FW PoP 12hr 60 10 0 20 10 0 0 0 5 Rain shwrs L C S Tstms S C S $$ IAZ048-010900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 73 54 78 58 Temp 71 65 65 62 60 66 71 73 70 61 59 56 55 67 75 77 74 64 61 60 58 Dewpt 65 65 63 61 60 61 61 61 61 60 58 56 55 60 59 59 60 60 59 59 58 RH 81100 93 97100 84 71 66 73 97 96100100 78 58 54 62 87 93 96100 Wind dir SE E E E E SE SE SE E E NE N N NW W W W SW SW SW W Wind spd 6 3 3 3 3 4 5 5 4 2 2 2 2 2 3 3 3 2 3 3 5 Clouds B2 OV B2 OV B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B2 B2 PoP 12hr 50 20 10 10 30 QPF 12hr 0.15 0.02 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S C C C Tstms C S S S C C Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 71 44 65 47 69 44 69 45 73 Temp 69 64 52 44 62 63 52 48 66 65 50 44 66 66 49 45 69 69 Dewpt 58 51 46 41 43 45 46 45 48 48 46 42 47 49 47 44 50 52 PWind dir NW NW NW SW NW NW NW E SE Wind char GN LT GN LT GN LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC FW FW CL FW FW FW FW FW FW FW PoP 12hr 50 5 0 20 5 0 0 5 5 Rain shwrs C C S Tstms C C S $$ IAZ004-010900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 73 56 75 55 Temp 72 63 60 59 58 66 70 73 70 61 59 57 56 65 72 75 73 63 61 58 56 Dewpt 65 62 60 59 58 61 62 62 61 60 58 57 56 60 61 61 62 61 59 57 55 RH 79 97100100100 84 76 68 73 97 96100100 84 68 62 68 93 93 96 96 Wind dir E SE SE SE SE SE SE SE S S SW SW SW SW SW SW SW SW W W NW Wind spd 6 4 3 3 3 5 6 5 4 3 3 3 3 5 6 8 5 6 6 9 10 Clouds B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC B1 B1 B2 B2 PoP 12hr 40 20 20 30 70 QPF 12hr 0.02 0.07 0 0 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C C C C C L L C Tstms S S S S S S S C C C C C S Obvis PF PF Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 41 64 46 64 43 66 44 69 Temp 62 60 47 41 60 62 50 47 61 61 48 44 63 63 48 44 66 66 Dewpt 52 47 41 38 42 44 42 42 47 46 42 41 46 47 43 41 49 52 PWind dir NW NW NW W NW NW NW SW S Wind char GN GN GN GN GN LT GN LT GN Avg clouds B2 SC SC FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 40 0 0 20 5 0 0 5 5 Rain shwrs C S Tstms S S $$ IAZ035-010900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 74 54 77 57 Temp 72 65 62 62 60 66 72 73 71 61 57 56 54 66 74 76 73 64 61 59 57 Dewpt 65 64 61 60 59 62 61 61 61 60 57 56 54 60 60 61 61 61 60 59 57 RH 79 97 97 93 96 87 68 66 71 97100100100 81 62 60 66 90 97100100 Wind dir S SE E E E SE SE SE E SE SE S SW SW SW SW SW SW W W W Wind spd 5 3 3 3 3 5 5 5 3 2 2 2 2 2 4 5 4 4 4 5 6 Clouds B2 B2 B2 OV B2 B1 B1 B1 SC B1 SC B1 B1 SC SC SC SC SC B1 B2 B2 PoP 12hr 50 20 10 20 50 QPF 12hr 0.11 0.07 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S S S S S S S C C C Tstms S S S S S S S C C C Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 69 42 65 46 67 43 69 44 72 Temp 66 63 49 42 61 63 50 47 64 63 48 43 65 65 48 44 69 68 Dewpt 55 50 44 40 42 46 45 44 48 48 43 42 47 49 44 43 50 52 PWind dir NW NW NW SW NW NW NW SE S Wind char GN LT GN LT GN LT LT LT LT Avg clouds B2 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 50 5 0 20 5 0 0 5 5 Rain shwrs C S S Tstms C S S $$ IAZ094-010900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 69 55 77 57 Temp 69 66 66 64 62 63 66 67 67 61 60 57 56 67 74 77 73 64 61 59 57 Dewpt 64 64 64 62 61 61 60 60 60 59 58 57 55 58 56 56 60 59 58 57 57 RH 84 93 93 93 97 93 81 78 78 93 93100 96 73 53 48 64 84 90 93100 Wind dir SE E E E E SE SE SE E E NE N N NE NE N NW W SW W W Wind spd 3 4 4 5 5 5 6 5 3 2 2 2 2 2 2 3 2 2 2 3 4 Clouds OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 FW FW FW FW FW FW SC B1 PoP 12hr 60 60 10 10 10 QPF 12hr 0.49 0.19 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C S C Tstms C C S S C Obvis PF PF Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 46 67 49 71 46 70 48 74 Temp 72 65 53 47 64 65 53 50 68 67 52 46 67 67 53 48 71 70 Dewpt 61 58 49 44 43 46 47 47 48 48 47 44 46 48 47 46 48 52 PWind dir W N NW SW NW NW NW E SE Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC B1 FW SC SC SC FW SC FW FW CL CL FW FW FW FW FW FW PoP 12hr 60 10 0 10 5 0 0 5 10 Rain shwrs C L S Tstms C C S $$ IAZ017-010900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 55 74 54 75 56 Temp 71 63 60 58 56 65 71 73 71 60 57 56 55 66 72 75 71 63 61 58 57 Dewpt 63 61 58 56 54 58 59 59 60 57 56 54 54 60 60 61 61 60 59 58 57 RH 76 93 93 93 93 78 66 62 68 90 96 93 96 81 66 62 71 90 93100100 Wind dir SE SE SE SE E SE SE SE SE SE S SW SW SW SW SW SW SW SW W W Wind spd 8 3 2 2 2 3 5 4 2 1 1 1 1 2 4 5 4 4 5 5 8 Clouds B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 OV PoP 12hr 20 5 5 30 50 QPF 12hr 0.01 0 0 0.04 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C C Tstms S C C C C C C S Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 65 40 61 44 64 42 65 43 68 Temp 63 60 48 41 58 59 49 45 61 60 48 43 62 62 47 43 65 65 Dewpt 55 49 42 38 42 44 42 42 48 46 43 41 46 48 43 41 49 51 PWind dir NW NW NW W NW NW NW W SW Wind char GN GN GN LT GN LT LT LT LT Avg clouds B2 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 50 5 0 20 10 0 0 5 5 Rain shwrs C S S Tstms S S S $$ IAZ049-010900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 73 54 76 57 Temp 72 65 62 58 57 65 72 73 71 61 58 55 54 66 74 76 73 63 61 59 57 Dewpt 63 63 60 56 55 58 59 59 59 58 56 54 53 60 59 59 60 59 58 57 57 RH 73 93 93 93 93 78 64 62 66 90 93 96 96 81 59 56 64 87 90 93100 Wind dir E E E E E SE SE E NE NE NE NE N NW W W SW SW SW SW W Wind spd 9 4 4 3 3 4 5 4 2 2 2 2 2 2 2 3 2 2 3 4 5 Clouds B2 B2 B2 B2 B1 B1 SC SC FW FW FW SC SC FW SC SC FW SC SC B2 B2 PoP 12hr 20 10 5 10 30 QPF 12hr 0.02 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L Tstms S C C C Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 43 63 45 66 43 67 44 70 Temp 67 63 51 43 60 61 50 46 64 62 48 44 64 63 48 44 67 66 Dewpt 58 52 45 40 42 45 44 45 49 48 44 42 47 49 45 42 50 52 PWind dir NW NW NW SW NW NW NW N S Wind char GN LT GN LT GN LT LT LT LT Avg clouds B2 B1 FW SC SC SC SC SC FW FW CL CL FW FW FW FW FW FW PoP 12hr 60 10 0 20 10 0 0 5 5 Rain shwrs L C S Tstms C C S $$ IAZ086-010900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 445 PM CDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 54 80 58 Temp 72 68 65 61 58 68 74 76 74 63 60 56 55 70 78 80 77 65 61 59 59 Dewpt 64 64 62 59 57 59 57 56 58 58 56 55 54 57 55 54 56 57 57 56 57 RH 76 87 90 93 96 73 55 50 57 84 87 96 96 63 45 41 48 75 87 90 93 Wind dir E E E E E SE SE E E NE NE N N NE NE N NW W SW SW W Wind spd 5 4 4 4 4 4 5 5 4 3 2 2 2 2 3 3 3 2 3 4 5 Clouds B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW SC SC PoP 12hr 30 10 10 10 20 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C Tstms S Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 46 67 48 72 46 71 46 74 Temp 73 66 54 47 64 64 53 49 69 67 52 46 68 68 52 47 71 71 Dewpt 60 57 49 45 42 44 46 47 48 47 47 44 43 46 47 45 47 48 PWind dir W NW NW SW W NW NW NE S Wind char GN LT GN LT GN LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC FW FW CL CL CL FW CL FW FW FW PoP 12hr 70 20 0 20 10 0 0 5 10 Rain shwrs C L S S Tstms S C S S $$