Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
147 FOUS53 KDMX 211033 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 532 AM CDT Tue Jul 21 2026 IAZ060-212100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 61 79 59 81 Temp 71 76 79 83 81 71 67 63 63 71 76 79 77 68 64 61 61 72 78 81 78 Dewpt 67 65 64 61 58 59 57 57 56 57 56 56 54 58 58 57 57 56 56 55 54 RH 87 69 60 47 46 66 70 81 78 61 50 45 45 70 81 87 87 57 47 41 43 Wind dir NW NW N NW N N N N N NE N N NE E SE SE S SE SE SE E Wind spd 9 14 16 14 12 6 6 6 4 4 6 6 5 3 2 2 2 4 6 6 6 Wind gust 25 Clouds FW FW SC FW FW FW CL FW FW SC B1 B1 B1 FW FW FW FW SC B1 B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 63 79 63 89 70 96 72 94 Temp 68 64 76 77 68 65 85 88 74 71 93 94 78 73 91 91 Dewpt 57 58 59 58 60 61 66 67 69 69 71 68 69 68 68 66 PWind dir SE SE S S SW W SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 30 0 0 0 0 10 10 Rain shwrs C C $$ IAZ039-212100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 57 75 54 78 Temp 70 72 75 78 75 68 64 59 59 67 72 74 73 64 60 56 57 70 75 78 75 Dewpt 64 64 63 62 60 59 57 55 55 55 55 55 55 57 56 55 55 59 58 57 57 RH 81 76 66 58 60 73 78 87 87 65 55 51 53 78 87 96 93 68 55 48 54 Wind dir NW NW NW NW NW N N N N NE N N N NE SE S S S S S S Wind spd 12 18 17 18 13 9 8 5 4 5 5 5 4 1 0 0 1 3 4 5 5 Wind gust 28 Clouds FW B1 B1 SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 77 59 84 67 91 68 89 Temp 64 60 74 75 64 62 80 82 71 69 87 89 73 70 85 86 Dewpt 57 57 61 60 59 59 67 70 68 68 74 73 69 66 70 69 PWind dir S S S S SW W SE E Wind char LT LT LT LT LT GN LT LT Avg clouds B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 20 0 0 5 5 10 5 Rain shwrs S $$ IAZ048-212100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 59 77 57 80 Temp 69 74 78 81 78 69 65 61 61 69 74 77 75 66 62 59 58 71 77 80 77 Dewpt 65 65 64 62 60 58 57 56 57 58 58 57 57 59 58 57 57 59 58 58 57 RH 87 74 62 53 54 68 75 84 87 68 57 50 54 78 87 93 96 66 52 47 50 Wind dir NW NW NW NW N NW N N N NE N N NE E SE SE SE S SE SE SE Wind spd 9 16 16 14 11 6 6 5 4 4 5 4 4 2 1 1 1 4 6 5 5 Wind gust 26 26 Clouds FW FW SC FW FW FW FW FW FW FW B1 B1 FW FW FW FW FW FW B1 B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 61 79 62 88 69 96 70 93 Temp 66 62 76 77 66 63 83 86 73 70 91 92 76 72 89 89 Dewpt 58 59 61 60 61 62 68 69 69 69 73 71 69 68 69 68 PWind dir SE SE S S SW SW SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 SC SC SC SC FW FW FW FW SC SC SC FW SC PoP 12hr 30 30 0 0 0 0 10 10 Rain shwrs C C $$ IAZ004-212100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 55 76 55 79 Temp 66 70 74 77 76 66 61 57 57 67 72 75 75 65 59 56 58 71 77 79 77 Dewpt 60 59 57 57 55 55 54 53 53 56 55 55 55 57 56 55 56 59 59 59 59 RH 81 68 55 50 48 68 78 86 86 68 55 50 50 75 90 96 93 66 54 50 54 Wind dir NW N N N N N N N N N N NE NE SE S S S S S S S Wind spd 16 20 20 20 14 9 9 6 4 3 4 4 4 3 4 4 5 8 8 8 9 Wind gust 26 31 Clouds FW B1 SC FW FW CL FW FW FW SC SC FW CL FW FW FW FW FW SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 79 61 90 69 94 68 91 Temp 64 60 75 77 66 63 84 88 74 70 89 91 74 69 87 89 Dewpt 59 58 62 62 61 61 69 70 68 67 69 68 66 64 66 65 PWind dir S S S SW SW NW SE SE Wind char GN GN GN GN GN GN LT GN Avg clouds B1 B1 SC SC SC FW SC CL FW FW SC FW FW FW FW FW PoP 12hr 30 5 0 0 5 5 5 10 Rain shwrs C $$ IAZ035-212100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 80 56 78 55 80 Temp 68 72 77 80 78 67 62 58 58 69 74 77 76 65 59 56 58 71 77 79 77 Dewpt 62 62 60 59 57 56 55 54 55 57 56 55 56 58 57 56 57 59 59 57 58 RH 81 71 56 49 48 68 78 86 90 66 53 47 50 78 93100 96 66 54 47 52 Wind dir NW N N N N N N N N N N N NE SE S S S S S S S Wind spd 10 17 16 16 12 6 5 5 3 3 3 3 3 2 2 2 2 4 5 5 6 Clouds FW SC SC FW FW FW FW FW SC SC B1 B1 FW FW FW SC SC SC SC B1 B2 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 60 80 61 90 69 97 69 94 Temp 65 61 76 78 65 63 84 88 73 70 92 93 75 71 90 91 Dewpt 58 59 61 61 61 61 68 69 69 68 70 68 68 66 66 65 PWind dir S S S S SW SW S SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 SC SC SC SC FW FW FW SC SC SC FW FW FW PoP 12hr 30 20 0 0 0 5 10 10 Rain shwrs C S $$ IAZ094-212100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 62 79 61 78 Temp 73 78 82 84 81 72 67 64 64 73 77 79 76 69 65 63 62 72 76 78 76 Dewpt 69 67 65 61 59 59 58 57 57 56 55 55 54 57 57 57 56 55 55 55 55 RH 87 69 56 46 47 64 73 78 78 55 47 44 46 66 75 81 81 55 48 45 48 Wind dir NW N N N N N N N N NE N N N NE E E E SE SE SE SE Wind spd 8 12 14 14 12 8 6 6 5 5 6 6 6 4 3 3 3 4 5 5 5 Wind gust 25 Clouds SC FW FW FW CL FW FW FW FW FW B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 PoP 12hr 5 0 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Obvis K K K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 77 62 87 68 94 71 93 Temp 67 63 74 74 65 64 83 85 72 70 90 91 76 73 90 90 Dewpt 58 59 60 60 61 62 66 67 68 68 71 69 69 68 68 66 PWind dir SE SE SE S SW SW S S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 SC SC FW CL FW FW FW FW SC FW FW PoP 12hr 50 50 5 0 0 0 5 10 Rain shwrs C C Tstms S S $$ IAZ017-212100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 77 54 74 53 78 Temp 67 69 73 77 75 66 62 57 56 66 72 73 72 63 58 54 57 70 76 77 76 Dewpt 62 61 60 59 59 55 54 53 54 55 55 55 56 55 55 54 56 59 59 58 59 RH 84 76 64 54 58 68 75 86 93 68 55 53 57 75 90100 96 68 56 52 56 Wind dir NW NW NW NW N N N N N N N N NE E S S S S S S S Wind spd 14 18 18 18 12 8 6 4 2 3 4 3 3 1 1 2 2 5 6 5 6 Wind gust 25 28 28 29 Clouds CL B2 B1 FW FW FW CL FW FW SC SC SC FW FW FW FW FW FW SC SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 57 77 59 86 67 91 67 88 Temp 63 58 74 75 64 62 81 84 72 69 87 89 73 69 85 86 Dewpt 57 57 61 61 59 60 68 71 68 68 73 72 67 65 69 69 PWind dir S S S S SW W S SE Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 SC SC SC FW SC FW FW FW FW FW SC FW FW FW PoP 12hr 20 5 0 0 5 5 10 10 Rain shwrs S $$ IAZ049-212100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 57 75 54 78 Temp 69 73 76 79 75 67 63 59 59 67 73 75 73 63 58 55 57 69 75 78 75 Dewpt 65 64 63 63 61 58 57 55 55 58 57 57 57 57 56 55 55 59 59 57 57 RH 87 73 64 58 62 73 81 87 87 73 57 54 57 81 93100 93 70 58 48 54 Wind dir NW NW NW NW N N N N N NE N N NE E N N SE S SE SE SE Wind spd 10 17 17 16 11 6 6 5 3 4 4 4 3 1 0 0 1 3 4 4 3 Wind gust 27 27 Clouds FW SC B1 SC FW FW FW FW FW FW SC B1 SC FW FW FW FW FW SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 77 59 86 67 93 68 90 Temp 64 60 74 75 64 62 80 83 71 69 88 89 74 70 86 86 Dewpt 56 57 61 59 59 59 67 69 68 67 73 72 68 66 70 69 PWind dir SE SE S S SW W SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 SC SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 20 0 0 0 0 5 10 Rain shwrs S S $$ IAZ086-212100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 532 AM CDT Tue Jul 21 2026 Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 61 78 57 80 Temp 72 77 80 83 79 71 66 63 63 71 75 77 76 67 61 58 60 72 78 80 78 Dewpt 70 67 66 64 62 62 60 58 58 58 57 57 56 58 57 56 56 56 55 54 54 RH 93 71 62 53 56 73 81 84 84 63 54 50 50 73 87 93 87 57 45 41 43 Wind dir NW NW NW NW N N N N N NE N N NE NE E E SE SE SE SE E Wind spd 9 16 17 16 13 6 6 6 5 6 8 6 5 3 1 1 2 3 4 4 5 Wind gust 26 Clouds FW FW FW FW SC FW FW FW FW FW SC SC SC FW FW FW FW FW SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 61 79 62 88 68 95 71 93 Temp 66 62 76 76 66 64 83 86 72 70 91 92 76 72 89 90 Dewpt 56 57 58 57 59 61 65 66 67 69 71 69 69 68 68 66 PWind dir SE SE SE S SW W S E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC FW FW FW FW FW FW SC FW FW PoP 12hr 20 30 0 0 0 0 5 10 Rain shwrs S C $$