Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
050 FOUS53 KDMX 210045 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 745 PM CDT Wed Aug 20 2025 IAZ060-210900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 66 83 64 86 64 Temp 74 71 69 66 73 79 82 81 72 68 65 65 75 82 86 82 74 70 67 66 Dewpt 68 67 66 66 67 67 66 65 65 64 63 62 66 67 67 68 69 68 65 64 RH 82 87 90100 81 67 58 58 79 87 93 90 74 61 53 63 84 93 93 93 Wind dir NE E E E E E E E E SE SE S S S S NE NE NW NW NW Wind spd 5 4 4 4 5 5 5 5 4 4 3 2 4 4 4 5 4 4 4 5 Clouds FW FW SC B1 SC SC SC FW FW FW SC SC FW SC SC B1 B1 B1 B1 SC PoP 12hr 10 5 0 10 60 QPF 12hr 0 0 0 0 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L Tstms C C C S Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 80 54 73 50 71 49 73 51 77 Temp 76 73 60 55 70 69 56 51 68 68 54 50 69 69 56 52 73 73 Dewpt 61 57 55 52 52 50 50 48 48 48 49 47 48 50 50 48 52 54 PWind dir NW NW NW NW NW N NW SE SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC FW FW PoP 12hr 5 0 0 0 0 5 5 10 5 $$ IAZ039-210900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 80 61 81 61 Temp 70 67 64 63 71 77 79 77 68 65 63 62 72 78 80 76 71 67 64 63 Dewpt 67 65 63 62 65 66 65 65 65 63 61 61 66 67 68 68 68 66 63 61 RH 90 93 97 97 81 69 62 67 90 93 93 97 81 69 67 76 90 97 97 93 Wind dir E E E E E E E E SE SE S S S SW SW W W W W NW Wind spd 4 4 3 3 4 5 4 3 2 2 2 2 5 6 5 5 4 4 4 5 Clouds SC SC SC B1 B1 SC SC SC FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 10 0 0 10 50 QPF 12hr 0 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C Obvis PF Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 52 68 48 67 46 70 47 73 Temp 73 67 56 53 66 63 53 49 65 63 51 48 67 65 53 49 70 68 Dewpt 59 56 53 50 53 51 49 46 49 49 47 45 49 52 48 46 54 56 PWind dir NW NW NW NW NW NW NW W SW Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC FW CL CL FW SC FW CL FW FW FW FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 0 5 5 5 $$ IAZ048-210900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 64 81 62 84 62 Temp 72 69 67 65 72 78 80 79 69 65 63 62 72 79 82 79 71 68 65 63 Dewpt 68 66 66 65 68 68 68 67 66 64 62 62 67 68 70 70 69 68 65 62 RH 87 90 97100 87 71 67 67 90 97 97100 84 69 67 74 93100100 97 Wind dir E E E E SE E E E E SE SE S S S S N N NW NW NW Wind spd 4 3 2 2 4 5 5 4 3 3 2 2 4 5 5 5 4 3 3 4 Clouds FW FW SC B1 B1 SC SC FW FW FW SC SC SC SC SC B1 B2 B1 B1 SC PoP 12hr 10 5 0 10 60 QPF 12hr 0 0 0 0 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C Tstms C C C S Obvis PF Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 77 52 71 48 70 46 71 49 75 Temp 74 70 57 53 69 66 53 48 66 66 52 47 68 67 53 50 71 71 Dewpt 60 58 55 52 53 52 50 47 49 50 48 46 50 53 50 48 55 57 PWind dir NW NW NW NW NW NW NW SE SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC FW CL FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW PoP 12hr 5 0 0 0 0 5 5 5 5 $$ IAZ004-210900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 79 62 79 57 Temp 69 66 64 63 71 75 78 77 67 65 63 63 71 76 78 75 66 62 60 58 Dewpt 65 64 63 62 67 68 68 68 65 63 62 63 67 69 69 67 64 60 57 54 RH 87 93 97 97 87 79 71 74 93 93 97100 87 79 74 76 93 93 90 86 Wind dir E E SE SE S S S S S S S S S SW NW N NW NW NW NW Wind spd 4 3 4 4 6 8 8 6 6 6 6 5 6 8 8 5 5 5 6 8 Clouds FW FW SC B1 B1 SC FW FW SC SC B1 B2 B1 B1 B1 B1 SC FW FW FW PoP 12hr 10 0 10 50 20 QPF 12hr 0 0 0 0.11 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Tstms S C C S Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 50 67 46 67 45 70 49 74 Temp 68 67 54 51 64 63 50 47 63 63 50 46 66 66 53 51 69 70 Dewpt 55 54 50 48 50 50 46 44 47 50 46 44 48 52 48 47 54 57 PWind dir NW NW NW NW NW NW NW S SW Wind char GN GN GN LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW FW FW FW FW SC SC SC SC SC FW FW PoP 12hr 0 0 0 0 0 0 5 5 5 $$ IAZ035-210900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 64 81 62 83 60 Temp 71 68 65 64 71 78 80 79 69 65 63 62 72 79 81 76 69 65 62 61 Dewpt 67 66 65 64 67 68 68 68 65 63 62 62 67 69 70 70 67 65 62 60 RH 87 93100100 87 71 67 69 87 93 97100 84 72 69 82 93100100 97 Wind dir E E E SE SE SE SE SE SE S S S S S W N NW NW NW NW Wind spd 4 3 3 3 5 5 5 5 4 4 4 4 5 5 6 5 4 4 4 5 Clouds FW FW SC B1 B1 SC SC FW FW SC SC B1 B1 SC B1 B2 B1 SC SC SC PoP 12hr 10 0 0 30 40 QPF 12hr 0 0 0 0.06 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Tstms S C C C S Obvis PF Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 50 70 46 69 45 71 49 75 Temp 72 69 56 51 67 66 52 48 65 65 50 46 68 67 53 50 71 71 Dewpt 57 57 53 50 52 52 48 46 49 51 47 44 50 53 48 47 55 58 PWind dir NW NW NW NW NW NW NW S SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 5 $$ IAZ094-210900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 84 62 85 66 Temp 74 70 68 67 74 79 82 80 71 67 64 62 75 81 85 82 73 70 68 66 Dewpt 68 67 66 65 68 67 66 66 65 63 62 62 66 65 66 67 68 67 66 66 RH 82 90 93 93 82 67 58 62 81 87 93100 74 58 53 61 84 90 93100 Wind dir NE E E E E E E E E SE SE S S S S S S NW N N Wind spd 3 4 3 3 4 4 4 4 3 3 2 2 2 2 2 2 2 3 4 5 Clouds FW FW SC SC SC SC FW FW CL CL SC FW FW FW SC SC B1 B2 B2 B2 PoP 12hr 10 5 0 5 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C C Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 54 74 51 71 50 72 51 76 Temp 78 74 60 55 71 70 57 52 68 67 54 51 68 68 56 52 71 72 Dewpt 63 59 56 53 52 53 51 49 48 48 49 47 48 50 50 48 51 53 PWind dir N N NW N N NE N E S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 0 0 0 5 5 10 10 10 $$ IAZ017-210900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 79 60 79 58 Temp 69 67 64 62 70 75 78 77 67 63 62 61 70 75 77 74 68 64 61 60 Dewpt 68 66 63 61 66 67 67 66 64 61 60 60 66 69 70 69 66 63 60 57 RH 97 97 97 97 87 76 69 69 90 93 93 97 87 82 79 84 93 97 97 90 Wind dir E SE SE SE SE SE SE SE SE S S S S SW W W NW NW W NW Wind spd 4 4 3 2 4 5 5 4 3 3 3 3 5 5 5 5 4 4 4 5 Clouds FW SC SC B1 B1 SC SC FW FW SC SC B1 B1 B1 B1 B1 SC SC SC FW PoP 12hr 5 0 0 30 30 QPF 12hr 0 0 0 0.04 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C C Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 70 50 65 45 65 44 68 47 72 Temp 68 65 54 51 63 61 50 47 63 62 49 46 65 64 51 49 69 68 Dewpt 56 54 50 49 52 50 46 44 49 50 45 43 49 52 47 45 55 57 PWind dir NW NW NW NW NW NW NW W SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW CL FW FW SC FW FW FW FW FW FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 0 5 5 5 $$ IAZ049-210900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 79 61 82 61 Temp 71 67 65 63 71 76 78 77 67 64 62 62 72 78 81 77 71 67 64 62 Dewpt 67 65 64 63 66 66 66 65 64 62 61 61 66 67 68 68 67 66 64 61 RH 87 93 97100 84 71 67 67 90 93 97 97 81 69 65 74 87 97100 97 Wind dir E E E E SE E E E E SE SE S S SW SW W NE W NW NW Wind spd 5 5 4 3 4 4 4 3 3 3 2 2 4 5 4 4 3 4 4 5 Clouds FW FW SC B1 SC SC SC FW FW FW SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 10 5 0 10 60 QPF 12hr 0 0 0 0 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C Tstms C C C S Obvis PF Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 51 69 46 68 45 70 47 74 Temp 73 68 56 52 66 64 52 48 65 63 50 46 67 65 52 49 70 69 Dewpt 60 56 53 50 52 51 48 46 49 49 46 44 49 51 48 46 54 56 PWind dir NW NW NW NW NW NW NW W SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC FW CL CL FW FW CL CL FW FW FW FW FW SC SC FW FW FW PoP 12hr 5 0 0 0 0 0 5 5 5 $$ IAZ086-210900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 745 PM CDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 63 82 62 84 66 Temp 73 68 66 63 72 78 81 79 70 66 64 62 74 81 84 81 73 70 68 66 Dewpt 68 66 65 63 65 65 65 66 65 64 63 62 66 65 66 67 67 67 66 66 RH 84 93 97100 79 64 58 64 84 93 97100 76 58 55 63 81 90 93100 Wind dir E E E E E NE E NE E E SE SE S S S E SE W NW NW Wind spd 6 5 4 4 5 5 5 4 3 3 2 2 2 2 3 3 3 4 4 5 Clouds FW FW SC SC SC SC FW FW CL FW FW FW FW SC SC SC B1 B1 B2 B1 PoP 12hr 10 5 0 5 50 QPF 12hr 0 0 0 0 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C C Obvis PF Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 80 54 72 49 70 48 71 49 76 Temp 78 73 59 55 70 69 55 51 67 66 54 50 69 68 55 52 72 71 Dewpt 64 60 57 54 53 53 52 49 49 50 49 48 49 52 51 48 51 55 PWind dir NW NW NW NW NW NW NW N W Wind char GN LT GN LT LT LT LT LT LT Avg clouds B1 FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC FW FW PoP 12hr 10 0 0 0 0 5 5 10 10 $$