Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
790 FOUS53 KDMX 170721 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 221 AM CDT Fri Oct 17 2025 IAZ060-180900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 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 64 81 56 76 45 Temp 64 64 69 78 79 73 68 64 60 57 64 74 74 62 54 51 48 45 Dewpt 58 58 57 58 59 61 62 61 57 54 54 51 47 46 44 41 37 35 RH 81 81 66 50 50 66 81 90 90 90 70 44 38 56 69 68 65 68 Wind dir S S S SW SW SW SW W SW SW SW W W NW NW NW NW NW Wind spd 9 10 14 16 13 6 5 5 4 4 5 8 12 14 14 13 13 12 Wind gust 20 26 26 18 24 32 25 Clouds B1 B2 B1 SC B1 B1 B1 SC FW SC FW SC B1 B2 B2 SC FW CL PoP 12hr 0 40 40 10 30 QPF 12hr 0 0.01 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C Tstms S S C Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 64 49 72 46 61 39 67 42 63 Temp 61 58 50 51 70 63 53 47 58 56 45 40 63 62 51 43 60 58 Dewpt 34 33 33 33 42 40 37 35 34 32 34 32 39 40 42 40 41 39 PWind dir NW S SW NW NW W S W NW Wind char GN GN BZ GN GN LT GN GN GN Avg clouds CL CL CL CL FW FW FW CL CL FW CL FW SC SC B1 SC FW SC PoP 12hr 0 0 5 5 0 0 10 20 10 Rain shwrs S S $$ IAZ039-180900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 79 54 75 43 Temp 62 62 68 76 77 70 66 63 58 55 62 72 72 63 55 50 47 44 Dewpt 59 59 60 59 59 60 61 60 56 54 54 50 46 46 44 41 39 37 RH 90 90 76 56 54 71 84 90 93 96 75 46 39 54 66 71 74 76 Wind dir S S S S SW SW SW W SW SW SW W W NW NW NW NW NW Wind spd 11 12 16 18 16 9 6 5 4 3 5 10 12 13 14 14 16 14 Wind gust 26 24 26 Clouds B1 B1 B1 SC B1 B1 B1 SC FW FW FW SC B1 B2 B2 B1 SC FW PoP 12hr 0 40 30 10 40 QPF 12hr 0 0.01 0.02 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C Tstms S C S Wind chill 38 Min chill 37 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 44 70 43 59 35 63 39 61 Temp 59 55 45 46 68 60 50 44 56 53 42 36 60 57 47 40 58 55 Dewpt 34 32 34 33 40 40 38 36 33 32 33 32 35 36 40 38 38 36 PWind dir NW SW SW W NW W S SW NW Wind char GN GN BZ GN BZ LT GN GN GN Avg clouds CL CL CL CL FW SC FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 10 10 5 0 10 20 10 Rain shwrs S $$ IAZ048-180900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 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 79 53 74 43 Temp 62 62 67 77 76 71 65 61 56 53 62 72 71 61 52 49 46 43 Dewpt 58 58 59 59 60 60 61 58 55 51 53 50 47 46 44 40 37 35 RH 87 87 75 54 58 68 87 90 96 93 72 46 42 58 74 71 71 73 Wind dir S S S SW SW SW SW W SW SW SW W NW NW NW NW NW NW Wind spd 9 10 13 16 13 6 5 3 3 2 5 8 12 13 13 12 12 11 Wind gust 20 26 27 18 24 27 24 Clouds B1 B1 B1 SC B1 SC SC SC FW FW FW SC B1 B2 B2 SC FW CL PoP 12hr 0 50 20 20 30 QPF 12hr 0 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S C C Tstms S S S Wind chill 37 Min chill 36 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 63 47 70 44 60 36 66 40 63 Temp 60 56 47 48 68 63 51 45 57 55 43 37 63 60 48 41 60 57 Dewpt 35 34 34 34 43 40 38 35 34 34 34 32 38 40 41 39 41 39 PWind dir NW S SW NW NW W S W NW Wind char GN GN GN GN GN LT GN LT GN Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW PoP 12hr 0 0 5 10 5 0 10 20 10 Rain shwrs S $$ IAZ004-180900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 73 46 64 39 Temp 62 60 63 70 72 64 55 52 49 47 56 63 61 51 47 45 41 39 Dewpt 54 54 56 56 51 48 46 45 44 43 45 43 42 41 37 35 32 32 RH 75 81 78 61 48 56 72 77 83 86 66 48 49 68 68 68 70 76 Wind dir S S SW W W W W SW W W NW NW NW NW NW NW NW NW Wind spd 12 12 14 13 13 8 6 6 5 6 10 13 17 13 13 12 12 11 Wind gust 25 24 28 27 25 Clouds SC B2 FW B1 FW FW FW CL CL FW B1 B2 B2 B2 B1 FW FW CL PoP 12hr 40 30 0 50 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms S Wind chill 39 34 32 Min chill 38 32 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 45 66 40 57 34 63 36 61 Temp 58 55 46 47 63 59 47 41 54 51 39 35 59 57 43 37 57 54 Dewpt 31 31 30 33 39 36 33 32 32 31 31 30 33 36 38 35 37 35 PWind dir W S W NW NW W S NW NW Wind char GN GN BZ GN BZ LT GN GN GN Avg clouds CL CL CL FW SC SC FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 0 10 5 0 0 5 10 10 $$ IAZ035-180900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 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 76 49 71 41 Temp 61 60 65 74 74 68 61 55 51 49 59 69 68 57 50 47 43 41 Dewpt 56 55 57 59 58 57 54 50 48 46 49 46 43 43 41 37 35 33 RH 84 84 75 59 57 68 78 83 89 89 69 44 40 59 71 68 73 73 Wind dir S S S SW SW SW W W SW SW W NW NW NW NW NW NW NW Wind spd 10 11 14 16 12 6 5 4 4 3 5 10 13 16 13 12 12 10 Wind gust 21 25 25 27 24 Clouds SC B1 SC B1 SC SC SC FW CL CL FW B1 B2 B2 B1 SC FW CL PoP 12hr 10 40 5 50 20 QPF 12hr 0 0.03 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C C S S Tstms S S S Wind chill 37 35 Min chill 34 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 64 46 69 42 60 36 66 38 63 Temp 60 57 47 48 66 62 49 43 57 54 40 37 62 60 46 39 60 57 Dewpt 33 31 32 34 42 37 35 33 33 31 31 31 36 37 38 37 39 36 PWind dir W S W NW NW W S NW NW Wind char GN GN BZ GN GN LT GN LT GN Avg clouds CL CL CL FW FW SC FW FW FW FW FW FW SC SC SC SC FW FW PoP 12hr 0 0 5 5 0 0 10 10 10 $$ IAZ094-180900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 81 58 76 44 Temp 64 63 68 77 80 73 68 65 62 59 65 74 74 62 53 51 46 44 Dewpt 58 58 58 58 58 61 63 63 60 58 57 53 49 47 45 40 37 35 RH 81 84 70 52 47 66 84 93 93 96 75 48 41 58 74 66 71 70 Wind dir S S S S SW SW SW SW SW SW SW SW W NW NW NW NW NW Wind spd 10 9 12 14 13 6 5 6 5 4 5 6 10 12 13 12 11 10 Wind gust 19 26 26 24 24 28 24 Clouds B2 B1 B1 SC SC B1 SC B1 SC SC FW FW SC B2 B1 SC FW FW PoP 12hr 0 30 60 10 30 QPF 12hr 0 0 0.13 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S C C Tstms S C C C S Wind chill 38 Min chill 38 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 48 72 45 61 40 66 42 63 Temp 59 56 49 49 69 63 53 46 59 55 45 41 63 61 53 43 60 57 Dewpt 33 33 34 34 43 42 38 35 33 33 34 33 40 42 42 40 42 41 PWind dir NW S SW NW NW W S W NW Wind char GN GN GN GN GN LT GN LT GN Avg clouds CL CL CL CL CL FW FW FW CL CL CL FW SC SC SC SC SC SC PoP 12hr 0 0 0 5 0 0 10 20 10 Rain shwrs S S $$ IAZ017-180900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 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 74 48 69 40 Temp 60 59 65 71 71 66 60 55 52 49 59 67 66 57 49 46 43 41 Dewpt 57 56 58 59 59 58 55 50 48 46 49 47 44 43 40 38 35 34 RH 90 90 78 66 66 75 84 83 86 89 69 49 45 59 71 73 73 76 Wind dir S S S SW SW SW W W SW SW W NW NW NW NW NW NW NW Wind spd 11 12 14 16 13 6 5 3 4 3 5 9 12 13 12 12 12 11 Wind gust 26 26 19 25 25 24 Clouds SC SC B1 B1 B1 SC SC FW CL CL FW B1 B2 B2 B2 SC FW FW PoP 12hr 0 40 5 20 20 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S S Tstms S S Wind chill 36 34 Min chill 34 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 61 43 67 40 56 33 61 36 59 Temp 57 53 44 45 64 59 47 41 54 51 39 34 58 55 45 37 56 53 Dewpt 34 31 32 33 41 38 35 33 33 31 31 30 35 36 38 35 37 36 PWind dir NW S SW NW NW W S W NW Wind char GN GN BZ GN BZ LT GN LT GN Avg clouds CL CL CL FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 10 5 5 0 10 10 10 $$ IAZ049-180900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 79 54 75 43 Temp 63 62 68 77 77 71 66 63 57 54 62 72 72 62 53 49 46 44 Dewpt 59 58 59 58 59 61 61 59 55 53 55 51 47 47 44 40 37 35 RH 87 87 73 52 54 71 84 87 93 96 78 48 41 58 71 71 71 70 Wind dir S S S SW SW SW SW W SW SW SW W W NW NW NW NW NW Wind spd 10 11 16 18 14 8 6 5 4 3 5 8 11 12 13 12 12 12 Wind gust 21 24 Clouds B1 B1 B1 SC B1 B1 B1 SC FW FW FW SC B1 B2 B2 B1 SC CL PoP 12hr 0 40 40 10 30 QPF 12hr 0 0.01 0.02 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C Tstms S C S Wind chill 37 Min chill 36 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 44 70 43 59 36 65 39 62 Temp 59 55 45 46 69 60 50 44 57 53 41 36 61 59 48 40 59 56 Dewpt 35 34 33 33 42 41 36 35 33 33 32 32 36 38 41 38 40 38 PWind dir NW S SW W NW W S W NW Wind char GN GN BZ GN BZ LT GN LT GN Avg clouds CL CL CL CL FW SC FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 5 10 5 0 10 20 10 Rain shwrs S $$ IAZ086-180900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 221 AM CDT Fri Oct 17 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 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 64 82 60 77 46 Temp 65 64 70 78 81 75 70 67 64 62 66 74 75 67 58 52 48 46 Dewpt 59 59 60 59 58 59 61 63 63 61 62 56 51 52 49 45 41 38 RH 81 84 71 52 46 58 73 87 97 97 87 53 43 59 72 77 77 73 Wind dir S S S S S S SW SW W W SW SW W NW NW NW NW NW Wind spd 10 10 14 16 14 9 8 9 6 5 5 8 9 10 13 13 13 13 Wind gust 26 26 25 20 24 26 24 25 24 Clouds B2 SC B1 B1 FW B1 OV B1 SC SC FW FW SC B2 B2 B1 SC FW PoP 12hr 0 10 70 20 50 QPF 12hr 0 0 0.11 0.01 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L S S S S S C C S S Tstms C C C Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 63 47 73 46 61 38 66 41 64 Temp 60 56 47 48 70 64 53 47 59 55 44 39 63 60 51 42 61 58 Dewpt 36 35 35 35 42 44 39 36 35 35 34 34 38 41 41 40 42 41 PWind dir NW SW SW W NW W S W NW Wind char GN LT GN GN GN LT GN GN GN Avg clouds CL CL CL CL CL FW FW CL CL FW FW FW FW SC SC SC SC SC PoP 12hr 0 0 5 10 5 5 10 20 20 Rain shwrs S S S $$