Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
290 FOUS53 KDMX 220146 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 846 PM CDT Thu Aug 21 2025 IAZ060-220900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 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 85 65 78 54 Temp 69 66 63 61 73 81 84 83 74 71 68 66 70 76 78 74 65 60 56 55 Dewpt 63 62 61 60 65 65 65 66 67 67 66 64 61 57 56 55 56 55 53 52 RH 81 87 93 97 76 58 53 57 79 87 93 93 73 52 47 51 73 84 90 90 Wind dir SE SE S S S S SE E S NW NW NW N NW NW NW NW NW W W Wind spd 5 4 3 2 4 4 3 4 4 4 4 5 8 10 11 10 5 4 4 5 Clouds FW CL FW SC FW SC B1 B1 B2 B2 B1 SC FW FW CL CL FW CL CL FW PoP 12hr 0 30 50 0 0 QPF 12hr 0 0 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C S S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 76 50 71 48 74 49 78 55 78 Temp 72 71 58 52 68 68 54 50 70 70 55 50 74 74 61 57 74 73 Dewpt 53 53 51 48 47 47 49 46 46 48 48 46 49 50 50 49 54 55 PWind dir NW NW NW NW N E S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$ IAZ039-220900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 81 61 73 51 Temp 67 63 61 60 71 78 80 78 70 67 65 62 67 72 71 67 59 55 53 52 Dewpt 64 61 60 60 65 66 67 67 67 66 64 61 59 57 56 54 54 52 51 50 RH 90 93 97100 81 67 65 69 90 97 97 97 75 59 59 63 83 90 93 93 Wind dir SE SE SE SE SW SW SW SW SW W W NW NW NW NW NW NW W W W Wind spd 2 2 2 2 4 5 5 4 4 4 5 6 10 13 14 11 8 5 5 6 Clouds FW FW FW B1 SC B1 B2 B1 B1 B1 B1 SC FW CL FW CL CL CL CL CL PoP 12hr 0 30 40 0 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 48 67 46 70 46 74 52 75 Temp 67 64 54 49 65 63 51 47 67 65 51 48 70 69 57 54 72 69 Dewpt 53 51 49 46 49 49 47 45 48 50 48 46 51 55 50 49 56 58 PWind dir NW NW NW NW NW NW SW S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW CL FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 10 $$ IAZ048-220900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 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 59 83 61 75 51 Temp 67 65 61 59 71 79 82 80 71 68 65 62 68 74 75 71 61 56 53 52 Dewpt 64 62 60 59 65 67 68 69 69 67 65 62 61 58 57 57 56 54 52 51 RH 90 90 97100 81 67 63 69 93 97100100 78 57 54 61 84 93 96 96 Wind dir SE SE S S S SW S SE N NW NW NW NW NW NW NW N NW W W Wind spd 4 3 2 2 4 5 4 4 4 3 3 5 8 10 11 9 5 3 3 4 Clouds CL FW FW SC SC B1 B1 B2 B2 B1 B1 SC FW FW CL CL FW CL FW FW PoP 12hr 0 40 50 0 0 QPF 12hr 0 0 0.18 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 48 70 46 72 47 76 53 77 Temp 70 68 54 49 66 65 51 47 69 67 52 48 72 71 58 54 73 70 Dewpt 54 54 50 47 48 49 48 46 48 51 48 46 51 54 50 49 56 56 PWind dir NW NW NW NW N E S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$ IAZ004-220900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 79 53 72 49 Temp 68 66 64 64 72 77 77 75 66 63 58 54 64 69 71 67 57 53 51 50 Dewpt 66 64 61 61 65 68 69 68 65 61 54 51 54 53 54 54 51 50 48 47 RH 93 93 90 90 79 74 76 79 97 93 86 90 70 57 55 63 80 89 89 89 Wind dir S S S S SW W NW NW NW W NW NW NW NW NW NW NW W W NW Wind spd 8 6 6 5 6 6 6 5 5 5 6 8 11 14 14 10 6 5 6 8 Clouds FW SC B1 B2 B2 OV B2 B1 SC FW FW FW CL CL CL CL FW CL CL FW PoP 12hr 5 50 20 0 0 QPF 12hr 0 0.08 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S Tstms S C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 46 67 45 70 47 74 53 74 Temp 66 63 51 47 63 63 49 46 66 66 51 49 70 70 57 55 69 70 Dewpt 51 50 46 43 46 48 45 43 47 51 47 46 53 56 51 49 56 57 PWind dir NW NW NW NW N S S S S Wind char GN LT GN LT LT LT LT LT GN Avg clouds FW FW FW CL FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 10 $$ IAZ035-220900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 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 83 58 75 50 Temp 68 65 62 61 72 80 81 78 69 66 63 58 66 72 73 70 59 55 52 51 Dewpt 64 62 60 60 65 68 69 69 68 65 62 56 58 56 56 57 55 52 51 49 RH 87 90 93 97 79 67 67 74 97 97 97 93 75 57 55 63 87 90 96 93 Wind dir SE SE S S S S S NW N NW NW NW NW NW NW NW NW W W NW Wind spd 5 4 4 4 5 5 5 5 4 3 4 5 9 11 12 9 5 4 4 5 Clouds CL FW SC SC B1 B1 B2 OV B1 B1 SC SC FW CL CL CL FW FW FW FW PoP 12hr 0 40 40 0 0 QPF 12hr 0 0.10 0.14 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 47 69 45 71 47 75 53 75 Temp 69 66 52 47 66 65 50 46 68 67 51 48 72 71 57 54 72 70 Dewpt 53 53 48 45 48 49 47 44 48 52 48 46 53 56 50 50 57 58 PWind dir NW NW NW NW N SE S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW SC FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$ IAZ094-220900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 84 65 80 54 Temp 68 65 63 61 74 80 83 82 73 70 68 67 72 78 79 75 65 60 57 55 Dewpt 63 63 61 60 65 63 64 66 66 66 66 66 66 60 57 57 56 55 54 53 RH 84 93 93 97 74 56 53 58 79 87 93 97 81 54 47 54 73 84 90 93 Wind dir E SE SE SE S S S S S NW W NW N N NW N N N N NW Wind spd 4 3 2 2 3 3 2 2 2 3 4 4 6 8 9 6 5 3 3 3 Clouds CL CL FW FW FW FW FW SC B2 B2 B2 B1 SC SC FW CL CL CL FW FW PoP 12hr 0 5 40 5 0 QPF 12hr 0 0 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 51 72 49 73 49 78 55 75 Temp 73 71 59 52 69 68 54 50 70 70 55 51 73 73 59 56 70 70 Dewpt 53 55 54 49 47 47 48 47 46 46 48 47 49 50 50 49 56 56 PWind dir NW N N N N E S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC SC SC FW FW FW FW SC SC SC SC B1 B1 PoP 12hr 5 5 0 0 5 5 10 20 20 Rain shwrs S S $$ IAZ017-220900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 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 59 79 55 70 48 Temp 65 63 61 60 71 76 78 75 67 64 61 57 65 69 69 66 56 53 51 50 Dewpt 64 61 60 59 65 67 68 68 66 63 59 54 56 55 55 54 52 50 49 48 RH 97 93 97 96 81 74 71 79 97 97 93 90 73 61 61 65 86 89 93 93 Wind dir SE S S S SW SW W NW NW NW NW NW NW NW NW NW NW W W W Wind spd 3 3 3 3 5 5 5 4 3 3 5 5 10 13 13 10 5 5 5 6 Clouds CL FW FW B1 B1 B2 B2 B2 SC SC SC FW CL FW FW CL CL FW CL FW PoP 12hr 0 30 30 0 0 QPF 12hr 0 0.04 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 67 45 66 44 68 46 72 51 73 Temp 65 63 51 47 63 63 49 45 65 64 50 47 69 68 55 53 70 68 Dewpt 52 50 46 44 48 49 45 43 48 51 46 44 53 56 50 48 57 58 PWind dir NW NW NW NW NW W S S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW CL FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 10 $$ IAZ049-220900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 81 61 74 51 Temp 66 63 61 59 70 78 80 78 70 68 65 62 68 73 73 69 59 55 53 52 Dewpt 62 61 59 59 65 66 67 67 66 66 63 61 59 57 56 56 54 52 50 49 RH 87 93 93100 84 67 65 69 87 93 93 97 73 57 55 63 83 90 89 89 Wind dir E SE SE SE S SW S SW NW W NW NW NW NW NW NW NW NW W W Wind spd 3 3 2 2 4 5 3 3 4 3 4 5 9 11 12 9 5 4 5 5 Clouds CL FW FW SC SC B1 B1 B1 B2 B2 B1 SC FW CL CL CL CL FW CL CL PoP 12hr 0 30 50 0 0 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C S Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 47 68 45 70 46 75 52 75 Temp 69 66 53 48 66 64 51 47 67 66 51 47 71 70 57 53 72 70 Dewpt 53 53 49 46 48 48 47 44 47 49 47 45 50 53 49 48 55 57 PWind dir NW NW NW NW N N S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$ IAZ086-220900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 846 PM CDT Thu Aug 21 2025 Date 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 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 84 66 80 53 Temp 67 65 62 61 73 80 83 81 72 70 68 67 73 78 78 73 64 59 56 54 Dewpt 63 63 62 61 65 64 65 66 66 66 66 66 66 60 57 57 56 55 54 53 RH 87 93100100 76 58 55 60 81 87 93 97 79 54 48 57 75 87 93 96 Wind dir E SE E SE S SW S S SE W NW NW NW NW NW NW NW NW W W Wind spd 3 2 2 1 2 2 2 2 3 3 4 5 8 10 10 9 5 4 4 5 Clouds CL CL FW SC SC SC SC SC B1 B1 B2 B1 SC FW CL CL CL CL CL CL PoP 12hr 0 5 40 5 0 QPF 12hr 0 0 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Obvis PF Date 08/24 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 71 48 73 49 76 54 77 Temp 72 71 57 52 67 67 54 50 69 68 54 50 73 72 58 55 73 72 Dewpt 53 54 52 49 48 49 49 48 47 50 48 47 50 52 50 48 54 57 PWind dir NW NW NW NW N N S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$