Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
279 FOUS53 KDMX 210044 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 744 PM CDT Mon Jul 20 2026 IAZ060-210900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 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 72 84 62 79 59 Temp 82 79 75 72 79 82 84 82 72 68 64 62 71 77 79 77 68 64 61 60 Dewpt 74 73 68 65 63 63 61 58 59 56 55 55 55 54 54 53 57 57 56 56 RH 77 82 79 79 58 53 46 44 64 65 73 78 57 45 42 43 68 78 84 87 Wind dir W NW NW NW NW NW N N N N N N NE N N NE E SE SE SE Wind spd 6 5 6 8 13 16 14 12 8 6 6 4 5 8 6 5 3 2 2 2 Wind gust 25 Clouds B2 SC SC FW FW SC FW CL FW CL FW FW FW SC B2 B1 FW FW FW SC PoP 12hr 40 0 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Heat index 88 Max heat 107 100 84 86 81 80 Tornado Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 62 78 63 89 69 96 73 95 Temp 78 78 68 63 75 77 67 65 85 88 74 71 93 94 78 74 92 92 Dewpt 55 54 57 58 60 59 61 61 66 66 68 68 71 69 70 68 68 65 PWind dir SE SE SE SE S S SW SW W Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC B1 B2 B1 B1 SC FW SC FW FW FW FW FW FW SC FW FW PoP 12hr 20 40 30 0 0 0 5 10 5 Rain shwrs S C C $$ IAZ039-210900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 80 57 75 54 Temp 74 73 71 69 74 77 78 77 69 64 59 59 67 73 75 73 64 59 55 57 Dewpt 71 70 65 63 64 64 62 60 58 55 54 54 54 54 53 53 55 55 54 55 RH 90 90 81 81 71 64 58 56 68 73 83 83 63 51 46 49 73 87 96 93 Wind dir SW W NW NW NW NW NW NW NW N N N N N N N NE S SW SE Wind spd 9 5 9 12 18 18 18 13 9 8 5 4 6 6 6 4 1 0 0 1 Wind gust 28 Clouds SC B1 FW FW B1 B1 SC FW CL FW FW FW FW FW SC FW CL CL CL FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 59 78 60 85 67 92 70 90 Temp 77 76 64 60 76 76 65 63 81 83 71 69 88 90 75 72 87 86 Dewpt 57 56 57 57 60 59 59 59 67 68 67 67 74 73 68 67 71 67 PWind dir S S S S S S SW SW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds FW SC B1 B2 B1 SC FW FW SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 5 10 0 0 0 5 20 10 Rain shwrs S Tstms S $$ IAZ048-210900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 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 70 83 59 78 57 Temp 77 75 72 70 76 80 82 80 70 66 61 61 69 75 78 76 66 61 58 60 Dewpt 73 72 66 64 64 63 62 60 57 56 55 56 56 56 56 55 57 57 56 57 RH 87 90 81 81 66 56 51 51 63 70 81 84 63 52 47 48 73 87 93 90 Wind dir W NW NW NW NW NW N N NW N N N NE N N NE E SE SE SE Wind spd 6 5 6 9 14 16 16 11 8 6 5 4 5 6 4 4 2 1 1 1 Wind gust 26 Clouds B1 B1 SC CL FW SC FW FW FW CL FW FW FW SC B1 SC FW FW FW SC PoP 12hr 50 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Tornado Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 61 78 62 88 68 96 71 93 Temp 78 77 66 62 75 76 67 64 84 86 73 70 91 93 77 72 89 89 Dewpt 57 56 58 59 61 60 61 62 67 68 68 68 73 72 70 68 69 66 PWind dir S SE SE SE S S SW SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B2 B1 B1 SC FW SC FW FW FW FW FW FW SC FW FW PoP 12hr 5 30 30 0 0 5 0 10 5 Rain shwrs C C $$ IAZ004-210900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 78 55 77 55 Temp 75 70 68 66 71 75 77 76 67 62 57 57 67 72 75 76 65 59 56 58 Dewpt 65 61 58 59 60 58 57 54 54 53 52 52 54 53 54 53 55 55 54 55 RH 71 73 70 78 68 55 50 46 63 72 83 83 63 51 48 45 70 87 93 90 Wind dir NW NW NW NW N N N N N N N N N N N NE SE S S S Wind spd 8 8 12 17 20 20 19 16 9 9 5 4 4 5 4 4 3 3 5 5 Wind gust 27 29 Clouds FW CL CL FW B1 SC FW FW CL FW FW FW FW SC SC FW CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 60 78 61 89 68 95 69 90 Temp 78 77 65 61 75 77 66 63 83 87 73 70 91 93 75 70 87 88 Dewpt 57 57 58 58 61 61 61 61 67 68 67 67 69 67 65 64 63 62 PWind dir S S S S S SW SW SW NW Wind char LT GN GN GN GN GN GN GN GN Avg clouds FW SC B1 B2 SC SC FW FW SC CL FW FW FW FW FW FW FW FW PoP 12hr 5 10 5 0 0 5 5 10 10 $$ IAZ035-210900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 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 82 57 79 55 Temp 78 74 71 68 75 79 81 79 68 63 59 58 69 75 78 76 65 59 56 58 Dewpt 74 68 62 61 62 61 58 57 55 54 53 54 55 54 54 54 56 56 55 56 RH 88 82 73 78 64 54 46 47 63 72 80 86 61 48 43 46 73 90 96 93 Wind dir W NW NW NW N N N N N N N N N N N NE E SE S S Wind spd 4 6 8 10 17 17 16 12 6 5 5 3 4 4 3 3 2 2 2 2 Clouds SC B1 FW FW SC SC FW FW FW CL FW FW FW SC B1 FW FW FW SC SC PoP 12hr 60 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Obvis K Tornado Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 60 79 61 89 68 97 70 94 Temp 78 76 65 61 75 77 66 63 83 87 72 69 92 94 76 72 90 90 Dewpt 57 57 58 58 61 61 61 61 67 68 68 68 71 69 68 66 65 63 PWind dir S S S S S SW SW SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B2 B1 B1 SC FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 5 30 10 0 0 5 0 10 5 Rain shwrs C $$ IAZ094-210900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 85 63 79 61 Temp 84 81 76 73 81 84 85 82 73 68 65 64 73 77 79 76 69 65 63 62 Dewpt 74 73 69 67 64 62 61 60 59 58 56 56 55 53 53 53 55 56 56 56 RH 72 77 79 81 56 48 45 47 62 70 73 75 53 43 41 45 61 73 78 81 Wind dir SW SW NW N N N N N N N N N NE N NE NE NE E E E Wind spd 6 6 8 8 11 13 14 12 8 6 6 6 6 8 6 6 4 3 3 3 Clouds B1 B1 B1 SC SC SC FW FW FW FW FW CL CL B1 SC B2 SC SC SC SC PoP 12hr 40 10 0 0 5 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Heat index 91 Max heat 103 99 86 86 81 80 Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 62 74 63 87 68 93 72 93 Temp 76 76 67 63 72 73 66 64 83 85 73 69 89 91 77 73 90 90 Dewpt 54 55 58 59 61 61 62 62 67 67 68 67 70 69 69 68 68 65 PWind dir SE SE SE SE S S SW S W Wind char LT LT GN LT LT LT LT LT GN Avg clouds B1 B1 B1 B2 B2 B1 SC SC SC SC CL SC FW FW FW SC FW FW PoP 12hr 20 60 50 5 0 0 0 10 5 Rain shwrs S S L C Tstms S C $$ IAZ017-210900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 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 78 54 75 53 Temp 74 70 69 67 72 75 78 76 67 62 56 56 66 72 73 74 63 58 54 58 Dewpt 71 65 61 61 61 61 59 57 54 53 51 52 53 52 53 54 54 54 53 55 RH 90 84 76 81 68 62 52 52 63 72 83 86 63 49 49 50 72 86 96 90 Wind dir NW W NW NW NW NW NW NW N N N N N N N NE SE S S SW Wind spd 6 6 11 14 18 19 19 13 9 6 4 3 4 5 3 3 1 2 2 2 Wind gust 25 28 29 29 Clouds FW SC CL FW B2 B1 FW FW CL CL FW CL FW FW SC FW CL CL FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 58 78 59 86 66 93 69 89 Temp 77 76 64 60 76 76 65 63 81 84 72 69 88 91 75 70 85 86 Dewpt 57 57 56 57 60 60 59 60 67 68 66 67 72 71 66 65 67 65 PWind dir S S S S S SW SW SW NW Wind char LT LT LT LT GN GN GN LT GN Avg clouds FW SC B1 B2 SC SC SC FW SC FW FW SC FW FW FW FW FW FW PoP 12hr 0 10 5 0 0 5 5 20 10 Rain shwrs S Tstms S $$ IAZ049-210900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 81 57 75 54 Temp 76 73 71 69 75 78 80 77 68 64 60 59 67 73 75 73 63 58 55 58 Dewpt 73 71 66 63 64 64 62 61 57 55 54 54 56 55 54 55 55 55 54 54 RH 90 93 84 81 69 62 54 58 68 73 81 83 68 53 48 53 75 90 96 86 Wind dir SW W NW NW NW NW NW NW NW N N N N N N NE E N N N Wind spd 6 6 8 10 16 17 16 11 8 6 5 4 5 5 4 3 1 0 0 0 Wind gust 27 26 Clouds B1 B1 SC CL SC B1 SC FW CL CL FW FW FW FW B1 FW FW CL FW FW PoP 12hr 50 0 0 0 0 QPF 12hr 0.16 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Tornado Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 59 78 60 86 66 94 70 92 Temp 76 75 64 60 75 75 65 62 81 84 71 68 88 90 75 71 88 87 Dewpt 57 56 56 57 60 59 58 59 67 68 66 67 73 72 68 67 70 67 PWind dir S SE SE SE S S SW SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B2 B1 SC FW FW SC SC CL FW FW FW FW FW FW FW PoP 12hr 0 20 20 0 0 0 0 10 10 Rain shwrs S S S Tstms S $$ IAZ086-210900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 744 PM CDT Mon Jul 20 2026 Date 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 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 72 84 61 79 57 Temp 80 75 74 73 79 82 84 81 72 67 63 63 71 77 78 76 67 61 58 60 Dewpt 73 72 70 70 67 66 64 62 61 59 57 57 57 55 55 55 57 56 55 56 RH 79 90 87 90 67 58 51 53 68 75 81 81 61 47 45 48 70 84 90 87 Wind dir SE SW W NW NW NW NW N N NW N N NE N N NE NE NE E SE Wind spd 12 8 9 8 14 17 17 13 8 6 8 6 8 9 6 5 3 1 1 1 Clouds B1 B1 SC FW FW FW FW FW CL CL FW CL CL FW SC B1 FW FW FW FW PoP 12hr 40 0 0 0 0 QPF 12hr 0.32 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C S Tornado Date 07/23 Fri 07/24/26 Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 61 77 62 88 68 95 72 94 Temp 78 78 65 64 74 76 66 65 84 86 72 70 91 93 77 74 91 91 Dewpt 54 55 56 58 59 58 60 61 65 66 67 68 71 70 70 69 69 67 PWind dir SE SE SE SE S S SW SW W Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW SC B1 B1 B2 SC SC FW FW FW CL FW FW FW FW FW FW FW PoP 12hr 10 30 30 5 0 0 0 10 5 Rain shwrs C C S $$