Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
348 FOUS53 KDMX 221446 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 946 AM CDT Fri Aug 22 2025 IAZ060-222100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 85 65 78 53 75 Temp 74 81 85 82 74 71 68 65 70 76 76 73 65 60 56 54 66 72 75 71 Dewpt 64 65 65 66 67 68 66 65 62 57 57 56 56 55 52 51 54 53 53 53 RH 71 58 51 58 79 90 93100 76 52 52 55 73 84 86 90 65 51 46 53 Wind dir SW S S SE S NW NW NW N NW NW NW NW NW NW W NW NW NW NW Wind spd 3 4 3 4 4 4 4 5 10 12 12 10 5 4 3 4 6 10 10 9 Clouds SC SC B1 SC B1 B2 B1 B1 SC FW FW FW FW CL CL FW FW FW FW FW PoP 12hr 5 30 0 0 0 QPF 12hr 0 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 50 73 49 74 51 78 56 79 Temp 58 51 69 69 55 51 71 71 56 52 73 74 61 57 75 74 Dewpt 51 47 47 47 49 48 47 48 50 48 50 51 52 51 56 57 PWind dir N NW N N E S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 5 5 10 20 Rain shwrs S S Tstms S $$ IAZ039-222100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 62 73 50 70 Temp 72 79 81 78 71 68 64 62 68 71 71 67 59 56 53 52 63 69 69 65 Dewpt 65 66 66 68 68 67 64 62 59 57 56 55 54 53 50 50 54 53 53 51 RH 79 64 60 71 90 97100100 73 61 59 65 83 90 89 93 72 57 57 60 Wind dir SW SW SW SW W W W NW NW NW NW NW NW NW W W NW NW NW NW Wind spd 5 6 5 4 4 4 5 8 11 14 14 11 8 5 5 6 10 13 14 10 Clouds B1 B1 B1 B2 B2 B1 B1 SC FW FW FW FW CL CL CL CL CL FW FW FW PoP 12hr 5 30 0 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 68 47 71 47 74 52 77 Temp 53 48 66 64 52 48 68 66 52 48 70 69 57 55 73 71 Dewpt 48 45 49 49 48 46 50 51 48 46 52 55 52 51 58 59 PWind dir NW NW NW NW W SW S SW Wind char LT GN LT LT LT LT LT LT Avg clouds CL CL FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 $$ IAZ048-222100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 83 63 75 50 73 Temp 71 79 83 80 72 69 65 63 68 73 74 69 61 57 53 52 64 70 72 68 Dewpt 65 67 68 69 69 68 65 63 60 57 58 57 56 54 52 51 55 54 54 54 RH 81 67 61 69 90 97100100 76 57 57 66 84 90 96 96 73 57 53 61 Wind dir SW SW S S NW NW NW NW NW NW NW NW NW NW NW W NW NW NW N Wind spd 4 5 4 4 3 4 5 6 11 13 12 9 5 3 3 4 8 10 10 9 Clouds SC B1 B1 B2 B2 B2 B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 30 0 0 0 QPF 12hr 0 0.19 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 47 70 47 73 49 75 53 79 Temp 54 48 67 66 52 48 69 68 53 50 72 71 59 55 74 72 Dewpt 50 46 48 50 49 46 49 52 49 47 52 55 53 51 57 59 PWind dir NW NW N N E S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 $$ IAZ004-222100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 55 71 49 69 Temp 72 77 78 77 67 63 60 55 63 67 69 66 57 54 51 51 61 67 68 65 Dewpt 66 68 69 69 66 61 56 51 53 53 54 54 52 50 48 47 52 51 51 50 RH 81 74 74 76 97 93 87 86 70 61 59 65 83 86 89 86 72 56 54 58 Wind dir SW N NW NW NW W NW NW NW NW NW NW NW W W NW NW NW NW N Wind spd 8 8 6 6 5 5 9 9 13 16 14 10 5 5 6 8 11 13 13 10 Clouds B2 OV OV B1 SC FW FW FW CL FW FW FW FW CL FW FW CL FW FW FW PoP 12hr 50 20 0 0 0 QPF 12hr 0.17 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S Tstms C C C S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 68 46 71 48 74 54 77 Temp 50 46 64 64 50 47 67 67 52 50 70 70 58 55 72 72 Dewpt 45 43 46 49 46 43 48 51 47 46 54 58 53 51 58 61 PWind dir NW NW NW N S S S SW Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 $$ IAZ035-222100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 82 59 73 50 72 Temp 71 79 82 77 69 65 63 59 66 71 71 68 59 55 52 51 63 69 71 67 Dewpt 65 68 69 70 69 65 63 58 57 56 56 57 54 53 50 49 54 53 53 54 RH 81 69 65 79100100100 96 73 59 59 68 83 93 93 93 72 57 53 63 Wind dir SW SW SW NW NW NW NW N NW NW NW NW NW NW W W NW NW NW N Wind spd 6 5 4 5 4 3 5 8 11 14 13 9 5 3 4 5 8 10 11 9 Clouds B1 B2 B2 B2 B1 SC SC FW CL CL FW FW FW FW FW FW CL FW FW FW PoP 12hr 30 30 0 0 0 QPF 12hr 0.10 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S C Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 46 70 45 72 48 76 53 78 Temp 52 47 66 66 50 46 68 68 51 50 72 71 58 54 73 72 Dewpt 48 45 48 50 47 45 49 53 48 46 54 58 53 51 60 60 PWind dir NW NW N N SE S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 $$ IAZ094-222100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 65 80 53 74 Temp 73 79 83 81 72 69 67 65 72 78 79 73 64 59 55 54 67 72 73 70 Dewpt 64 64 64 65 65 65 65 65 66 62 58 57 57 55 54 52 55 53 53 55 RH 73 60 53 58 79 87 93100 81 58 49 57 78 87 96 93 65 51 49 59 Wind dir S S S S S W NW NW N N N N N N N NW NW NW NW NW Wind spd 3 3 3 3 3 4 4 5 9 10 10 8 5 3 3 2 5 8 8 5 Clouds FW FW FW SC B1 B2 B1 B2 B1 SC FW CL CL CL FW FW SC SC SC SC PoP 12hr 0 40 5 0 5 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 73 49 74 51 77 56 75 Temp 58 52 69 69 54 52 70 70 56 52 73 74 60 57 71 70 Dewpt 54 49 47 47 49 48 46 47 48 47 48 51 52 52 57 58 PWind dir N N N N E S S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC FW FW FW FW FW FW SC SC B1 B1 B1 PoP 12hr 0 0 5 5 5 5 10 20 Rain shwrs S S Tstms S $$ IAZ017-222100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 79 58 71 48 67 Temp 72 77 79 76 68 65 62 58 64 68 68 65 57 54 52 50 61 66 67 63 Dewpt 65 67 69 70 67 64 61 55 56 55 55 54 52 50 49 48 53 52 52 50 RH 79 71 72 82 97 97 97 90 75 63 63 68 83 86 89 93 75 61 59 62 Wind dir SW SW W W NW W NW NW NW NW NW NW NW W W W NW NW NW NW Wind spd 8 6 5 5 4 4 6 8 12 16 13 10 5 5 5 5 10 13 13 10 Wind gust 24 Clouds B2 B2 OV B2 B1 B1 SC FW CL FW FW CL CL FW FW FW CL FW FW CL PoP 12hr 40 40 0 0 0 QPF 12hr 0.03 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S C Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 45 67 44 69 46 73 52 76 Temp 50 46 64 63 49 46 66 65 50 47 69 68 56 54 72 71 Dewpt 45 44 49 50 46 44 49 51 46 44 54 57 52 50 59 60 PWind dir NW NW NW NW SW S S SW Wind char LT GN LT LT LT LT LT LT Avg clouds CL CL FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 $$ IAZ049-222100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 62 74 50 71 Temp 71 78 81 79 71 68 64 62 68 72 72 68 59 55 52 51 63 69 70 66 Dewpt 65 65 66 67 67 67 64 62 60 57 57 55 54 52 50 49 54 53 53 52 RH 81 64 60 67 87 97100100 76 59 59 63 83 90 93 93 72 57 55 61 Wind dir SW SW SW SW W W NW NW NW NW NW NW NW NW W W NW NW NW NW Wind spd 5 5 4 3 4 3 4 8 11 14 13 10 5 4 5 5 9 11 12 9 Clouds B1 B1 B1 B2 B2 B1 B1 SC FW CL FW FW CL FW CL CL CL FW FW FW PoP 12hr 5 30 0 0 0 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 69 47 71 47 74 52 77 Temp 53 48 66 65 52 48 68 67 52 48 70 69 58 54 73 71 Dewpt 48 45 48 49 48 45 48 49 48 46 51 54 51 50 57 58 PWind dir NW NW NW N E S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds CL CL FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 5 5 5 10 $$ IAZ086-222100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 946 AM CDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 83 66 79 53 75 Temp 73 79 83 81 72 69 67 66 73 78 78 73 63 59 55 54 67 72 74 70 Dewpt 65 64 64 66 65 65 65 65 67 62 58 57 56 55 53 52 55 53 53 54 RH 76 60 53 60 79 87 93 97 81 58 50 57 78 87 93 93 65 51 48 57 Wind dir S SW SW S S SW W NW NW NW NW NW N NW NW W NW NW NW NW Wind spd 2 3 3 3 4 4 4 6 9 11 12 10 5 4 4 5 8 10 10 9 Clouds SC B1 B1 SC SC B2 B1 B1 SC FW CL CL CL CL CL CL FW FW FW FW PoP 12hr 0 30 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 50 71 49 73 49 76 54 79 Temp 57 51 68 67 54 50 70 69 55 51 72 72 59 56 76 73 Dewpt 52 49 48 49 50 48 48 49 50 48 50 53 52 51 56 58 PWind dir NW NW N N E S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 5 5 5 5 10 20 Rain shwrs S $$