Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
173 FOUS53 KDMX 200015 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 715 PM CDT Tue Aug 19 2025 IAZ060-200900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 69 86 66 83 63 Temp 77 74 71 69 79 84 85 84 75 71 68 66 73 79 82 80 72 68 64 64 Dewpt 72 71 69 69 71 70 68 68 68 67 66 66 67 66 65 65 64 63 62 62 RH 85 90 93100 77 63 57 59 79 87 93100 81 64 56 60 76 84 93 93 Wind dir NE NE N N N NE NE NE NE E E E E E E E SE SE S S Wind spd 3 2 2 3 5 6 6 6 5 4 3 3 4 5 5 5 4 4 3 3 Clouds FW FW FW B1 SC SC SC FW FW FW SC B1 SC FW FW FW FW FW SC SC PoP 12hr 0 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 86 62 78 55 73 50 72 50 74 Temp 81 81 69 64 76 74 60 56 71 70 57 51 70 69 56 51 71 70 Dewpt 66 68 66 61 58 56 55 52 51 51 51 48 49 49 50 48 50 52 PWind dir SW N NW NW NW NW NW N N Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC SC B1 SC FW FW FW FW FW FW FW FW FW FW SC FW SC SC PoP 12hr 10 40 5 5 0 5 5 5 10 Rain shwrs C C Tstms C S $$ IAZ039-200900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 82 62 79 60 Temp 74 71 68 67 75 80 82 78 70 67 64 63 71 76 78 75 67 64 61 61 Dewpt 71 70 67 67 70 70 68 68 67 65 63 63 65 65 65 65 64 62 60 60 RH 90 97 97100 84 72 63 71 90 93 97100 81 69 64 71 90 93 97 97 Wind dir N NW NW N NE NE NE NE E E E E E E E SE SE SE S S Wind spd 3 2 2 3 5 8 8 6 5 4 3 2 4 5 4 4 2 3 2 2 Clouds FW SC B1 B1 B2 SC SC SC FW SC SC SC SC FW FW FW FW FW SC SC PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 59 74 52 69 48 69 47 71 Temp 78 76 66 60 72 68 57 53 67 65 53 49 67 65 52 48 69 67 Dewpt 67 67 63 57 58 55 53 50 52 50 48 46 49 50 48 46 51 53 PWind dir SW NW NW NW NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC SC B1 FW CL CL CL CL FW FW FW CL FW FW FW FW FW FW PoP 12hr 20 30 0 0 0 0 0 0 5 Rain shwrs S C S Tstms S C $$ IAZ048-200900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 68 84 65 81 62 Temp 75 71 69 68 77 82 84 81 71 69 66 65 71 78 80 78 69 65 63 63 Dewpt 72 71 69 68 72 70 70 69 69 67 66 65 67 67 67 67 65 63 62 62 RH 90100100100 85 67 63 67 93 93100100 87 69 65 69 87 93 97 97 Wind dir N N NW N N N NE NE NE E E E SE E E E SE SE S S Wind spd 3 2 2 2 4 5 6 5 4 3 2 2 4 5 5 4 3 3 2 2 Clouds FW FW SC B1 B1 SC SC FW FW SC B1 SC SC FW FW FW FW SC SC SC PoP 12hr 5 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 87 Max heat 89 84 88 90 82 Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 84 60 76 52 72 48 71 47 73 Temp 79 78 66 61 74 71 57 53 68 67 54 49 67 66 53 48 69 68 Dewpt 68 69 65 59 58 57 54 52 52 52 50 48 50 51 50 48 52 54 PWind dir SW N NW NW NW NW NW N NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC SC B1 SC FW CL CL FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 20 40 0 0 0 5 0 5 5 Rain shwrs S C S Tstms S C $$ IAZ004-200900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 81 63 81 62 Temp 72 70 66 65 73 78 80 78 68 65 63 63 71 76 79 77 67 65 64 64 Dewpt 70 68 66 64 68 67 67 67 65 63 62 63 67 67 68 68 65 63 62 62 RH 93 93100 97 84 69 65 69 90 93 97100 87 74 69 74 93 93 93 93 Wind dir N NW N N NE NE NE E E SE SE SE S S S S S S S S Wind spd 3 2 3 3 4 5 5 5 4 4 4 4 5 8 9 8 8 8 6 5 Clouds FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC B1 B1 PoP 12hr 5 5 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S S Obvis PF F Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 55 72 50 69 47 69 47 72 Temp 76 73 61 56 70 68 54 51 65 65 51 48 65 65 51 48 68 68 Dewpt 67 65 56 52 53 53 50 48 49 49 46 44 46 49 47 45 49 54 PWind dir NW NW NW NW NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 10 0 0 0 0 0 5 5 Rain shwrs C S Tstms S S $$ IAZ035-200900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 67 84 64 82 62 Temp 74 71 68 67 76 81 82 79 70 66 65 64 71 78 80 78 68 64 62 63 Dewpt 71 70 68 67 71 70 68 69 67 66 64 64 67 68 67 68 65 62 62 62 RH 90 97100100 85 69 63 72 90100 97100 87 71 65 71 90 93100 97 Wind dir N N N N N NE NE NE E E E SE SE SE SE SE SE S S S Wind spd 3 2 2 2 4 5 5 5 4 3 3 3 4 4 5 5 5 5 4 3 Clouds FW SC B1 B2 B1 SC FW SC SC SC SC B1 SC SC FW FW FW SC SC B1 PoP 12hr 5 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF F Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 83 57 75 51 71 47 70 47 72 Temp 79 75 63 58 72 70 56 52 68 66 52 48 67 66 51 48 69 68 Dewpt 68 68 62 55 56 57 52 50 52 52 48 45 49 52 48 46 52 55 PWind dir SW NW NW NW NW NW NW N NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B1 FW FW CL FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 30 30 0 0 0 0 0 5 5 Rain shwrs C C Tstms C C $$ IAZ094-200900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 85 65 83 62 Temp 76 73 70 68 77 82 84 82 72 70 66 66 73 79 82 79 71 66 64 63 Dewpt 72 71 70 68 72 70 68 69 69 68 66 66 68 67 66 65 65 64 62 62 RH 87 93100100 85 67 59 65 90 93100100 84 67 58 62 81 93 93 97 Wind dir NE NE N N N NE NE NE NE E E E E E E E E SE SE S Wind spd 3 2 2 2 3 5 5 5 4 3 3 3 3 3 4 4 3 3 2 2 Clouds FW FW FW SC SC SC SC FW FW FW SC SC SC SC FW FW FW FW FW FW PoP 12hr 0 10 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 64 80 55 74 51 72 51 73 Temp 81 81 69 64 77 75 61 56 71 70 57 52 69 69 56 53 69 68 Dewpt 65 67 67 63 59 58 56 54 52 53 52 50 49 50 50 49 50 53 PWind dir S N N N NW N N NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC FW CL FW SC FW FW FW SC SC SC SC SC SC PoP 12hr 10 40 10 5 5 5 5 10 10 Rain shwrs S C Tstms S S $$ IAZ017-200900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 61 78 59 Temp 72 69 66 64 73 78 79 77 67 64 62 61 70 75 77 75 66 63 61 62 Dewpt 70 67 66 64 69 68 67 67 66 63 62 61 66 66 66 65 63 61 60 60 RH 93 93100100 87 71 67 71 97 97100100 87 74 69 71 90 93 97 93 Wind dir N NW N N N NE NE NE E E E SE SE SE SE SE SE S S S Wind spd 5 2 2 2 4 5 5 4 3 2 2 2 4 4 5 4 3 4 3 3 Clouds FW FW SC B1 B1 SC SC SC FW SC SC B1 SC SC FW FW FW SC SC B1 PoP 12hr 10 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 79 55 71 49 66 45 67 46 69 Temp 76 73 62 56 69 66 54 51 64 63 51 47 65 63 50 47 67 66 Dewpt 67 66 58 53 56 54 50 48 51 50 46 45 49 51 46 45 52 54 PWind dir W NW NW NW NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 SC FW CL FW CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 20 0 0 0 0 0 0 5 Rain shwrs C S Tstms C S $$ IAZ049-200900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 83 63 79 59 Temp 74 71 68 68 76 81 82 79 70 68 64 63 70 76 78 75 67 63 61 60 Dewpt 71 69 67 67 71 70 68 68 67 66 64 63 65 65 65 65 63 62 60 60 RH 90 93 97 97 85 69 63 69 90 93100100 84 69 64 71 87 97 97100 Wind dir N N N N N N NE NE NE E E E E E E E SE SE S S Wind spd 3 2 2 3 4 6 6 5 4 4 3 3 3 4 4 3 3 3 2 2 Clouds FW FW SC B1 B1 SC SC FW FW SC SC SC SC FW FW FW CL FW SC SC PoP 12hr 10 10 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 59 75 51 69 47 70 47 72 Temp 78 77 65 60 73 69 56 53 68 65 52 48 67 65 51 48 69 67 Dewpt 67 68 63 57 57 56 53 50 51 51 48 46 49 50 48 46 51 52 PWind dir SW NW NW NW NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC SC B1 SC FW CL CL CL FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 40 0 0 0 0 0 5 5 Rain shwrs S C C Tstms S C S $$ IAZ086-200900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 715 PM CDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 68 85 64 81 61 Temp 75 72 70 69 78 82 84 81 72 70 66 64 72 77 80 78 68 65 63 62 Dewpt 72 71 69 69 72 70 69 69 70 68 66 64 65 65 65 65 64 64 62 61 RH 90 97 97100 82 67 61 67 93 93100100 79 67 60 64 87 97 97 97 Wind dir NE NE N N N N NE NE NE E E E E NE E E E E SE S Wind spd 3 2 2 3 4 6 6 5 5 5 4 4 4 5 5 4 3 3 2 2 Clouds FW FW SC B1 B1 B1 SC SC FW FW SC SC FW FW FW CL CL CL FW FW PoP 12hr 5 10 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 84 64 79 55 73 50 72 49 73 Temp 80 80 69 65 77 74 60 56 70 68 56 51 69 68 55 51 70 69 Dewpt 65 67 67 63 59 58 56 54 52 51 52 50 49 50 51 49 50 53 PWind dir S N NW NW NW NW NW N NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW SC B1 B1 FW FW CL FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 5 40 5 5 0 5 5 5 5 Rain shwrs C C Tstms C C $$