Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
974 FOUS53 KDMX 210317 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1017 PM CDT Sun Sep 20 2026 IAZ060-210900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 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 57 61 54 61 48 Temp 60 60 59 58 58 59 59 58 57 56 55 54 57 61 59 54 52 50 48 Dewpt 58 58 58 58 57 59 58 58 57 56 54 53 54 55 53 53 52 50 48 RH 93 93 96100 96100 96100100100 96 96 90 81 80 96100100100 Wind dir E NE NE NE NE NE NE NE NE NE NE NE E E E E E E E Wind spd 9 9 9 9 9 9 9 9 8 8 6 8 8 8 5 4 3 3 3 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC FW SC FW PoP 12hr 50 70 50 20 0 QPF 12hr 0.06 0.12 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs C C L L L L C C S S Tstms S S C Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 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 64 50 65 56 68 58 70 60 73 Temp 60 60 53 51 59 62 58 57 62 65 61 59 65 67 63 61 67 68 Dewpt 51 54 53 51 56 57 57 56 59 60 59 58 62 62 60 59 63 63 PWind dir E E SE E SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW SC FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 0 20 40 50 40 40 30 20 Rain shwrs S S C C C C C C S S C S $$ IAZ039-210900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 61 49 62 45 Temp 58 56 55 56 59 60 59 54 53 51 50 54 59 62 58 52 49 47 45 Dewpt 53 54 54 56 56 54 54 54 52 51 49 51 51 49 49 49 48 47 45 RH 83 93 96100 90 81 83100 96100 96 90 75 62 72 89 96100100 Wind dir E NE NE NE E E NE NE E NE NE E E E E E E E NE Wind spd 11 11 12 12 12 12 10 10 9 9 8 9 10 9 5 5 4 3 4 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW FW PoP 12hr 50 50 60 10 0 QPF 12hr 0.07 0.11 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C S Tstms S Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 47 65 52 67 54 68 56 71 Temp 61 60 51 48 62 63 55 53 64 65 58 55 65 66 60 57 69 67 Dewpt 50 51 51 48 54 54 55 53 57 57 57 54 59 59 58 56 60 60 PWind dir E E SE E SE SE SE SE S Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW FW FW SC B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 0 10 10 20 30 30 20 20 Rain shwrs S S C C S S S S $$ IAZ048-210900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 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 56 60 51 61 46 Temp 59 58 57 57 57 58 58 57 56 54 53 54 57 60 58 53 51 48 46 Dewpt 56 57 57 56 57 58 57 57 56 54 53 52 53 53 52 52 51 48 46 RH 90 96100 96100100 96100100100100 93 86 78 80 96100100100 Wind dir E NE NE NE E NE NE E E NE NE E E E E E E E E Wind spd 9 9 9 10 10 9 9 8 6 6 6 8 8 8 5 3 2 2 3 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC FW SC FW PoP 12hr 50 70 60 10 0 QPF 12hr 0.08 0.17 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs S C L L L L C S S Tstms S C C Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 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 64 49 65 55 68 57 70 59 73 Temp 60 60 52 50 60 62 57 56 63 65 60 58 65 67 62 59 67 67 Dewpt 51 53 52 50 56 57 57 56 59 60 59 58 62 62 61 59 62 63 PWind dir E E SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW SC FW B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B1 B2 B1 B1 PoP 12hr 0 5 20 40 40 40 40 30 20 Rain shwrs S C C C C C C S S C S $$ IAZ004-210900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 55 46 60 43 Temp 56 53 51 53 53 54 54 52 51 49 48 52 57 60 57 49 47 45 44 Dewpt 53 52 51 53 53 53 54 52 51 49 48 50 49 49 50 48 47 45 44 RH 90 96100100100 96100100100100100 93 75 67 77 96100100100 Wind dir E NE NE NE NE NE NE NE E NE NE E E E E SE SE SE SE Wind spd 10 9 11 10 10 9 9 8 5 4 4 6 8 8 5 4 3 3 4 Clouds OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 SC FW SC SC SC SC PoP 12hr 60 70 20 5 0 QPF 12hr 0.20 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C C L S Tstms S S Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 47 64 52 66 54 68 55 70 Temp 61 60 51 48 59 63 56 53 63 64 58 55 65 66 60 56 67 66 Dewpt 49 51 50 48 55 57 56 53 58 60 58 55 60 61 59 56 59 61 PWind dir SE SE S S SE SE S S S Wind char LT LT GN LT GN GN GN GN GN Avg clouds FW SC SC B2 OV B2 B2 B2 B2 B2 B2 B2 OV B2 B1 B1 B1 B1 PoP 12hr 0 20 40 30 40 30 30 30 20 Rain shwrs S C S S C C C C C C S S C S $$ IAZ035-210900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 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 52 58 48 61 44 Temp 59 56 54 55 55 57 56 55 54 52 50 53 58 60 58 51 49 47 45 Dewpt 55 55 54 55 55 57 56 55 54 52 50 52 52 52 52 51 49 47 45 RH 87 96100100100100100100100100100 96 80 75 80100100100100 Wind dir E NE NE NE E NE NE NE NE NE NE E E E E E E E E Wind spd 9 9 9 9 8 6 6 6 5 5 4 5 5 5 3 3 2 2 3 Clouds OV OV OV OV OV OV OV OV B1 B2 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 70 80 40 10 0 QPF 12hr 0.36 0.21 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D L L C C S Tstms S S C Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 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 65 48 66 53 68 55 70 57 73 Temp 62 59 52 49 61 62 57 54 64 65 59 56 66 67 61 58 68 67 Dewpt 51 53 52 49 56 58 57 54 59 61 59 56 61 63 60 58 62 63 PWind dir SE SE SE SE SE SE SE SE S Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC SC FW B1 OV B2 B2 B2 B2 B2 B2 B2 OV B2 B1 B1 B2 B1 PoP 12hr 0 5 30 40 40 40 30 30 20 Rain shwrs C S S C C C C C C C S C S $$ IAZ094-210900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 63 54 60 47 Temp 62 61 60 60 62 62 60 59 58 57 56 55 58 60 58 54 52 49 47 Dewpt 61 61 60 60 62 62 60 59 58 57 56 55 57 57 56 54 52 49 47 RH 97100100100100100100100100100100100 96 90 93100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E NE NE Wind spd 8 6 8 8 6 6 8 6 6 6 8 8 8 8 6 5 4 3 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC PoP 12hr 40 50 50 20 0 QPF 12hr 0.02 0.01 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs C S C S S C C C S Obvis PF PF PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 48 64 54 67 57 71 60 73 Temp 60 58 52 49 61 60 57 55 64 63 61 58 68 66 63 60 71 66 Dewpt 54 55 52 49 59 59 57 55 62 62 59 58 64 64 60 59 65 65 PWind dir E E E E SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW FW SC B1 B2 B1 B2 B2 OV B2 B2 B2 OV B2 B1 B1 B1 SC PoP 12hr 0 0 10 30 40 50 40 30 20 Rain shwrs S C C C C C C C S C S $$ IAZ017-210900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 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 48 57 45 60 41 Temp 56 52 50 53 55 57 55 52 51 48 46 52 58 60 56 49 47 44 42 Dewpt 52 51 50 53 54 54 53 52 51 48 46 51 50 49 48 48 47 44 42 RH 86 96100100 96 90 93100100100100 96 75 67 74 96100100100 Wind dir E E NE NE E E NE E E NE NE E E E E E E E E Wind spd 9 9 10 10 10 9 8 6 5 5 5 6 8 6 3 3 2 2 3 Clouds OV OV OV OV OV OV OV B2 B1 B1 SC B2 B1 SC SC FW SC SC FW PoP 12hr 60 60 50 5 0 QPF 12hr 0.18 0.11 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C C C Tstms S Obvis PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 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 64 45 64 49 66 51 67 54 70 Temp 61 58 50 46 61 61 55 51 64 63 57 53 64 65 59 55 67 65 Dewpt 49 50 50 46 53 54 55 51 57 57 57 52 58 59 58 55 59 60 PWind dir SE SE SE SE SE SE SE SE S Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW FW SC B1 OV B2 B2 B2 B2 B2 B2 B2 OV B2 B1 B1 B2 B1 PoP 12hr 0 5 20 20 30 30 30 30 20 Rain shwrs S S S C C C C S S C S $$ IAZ049-210900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 60 49 61 45 Temp 59 57 54 56 57 58 58 55 54 52 51 53 58 60 58 51 49 47 45 Dewpt 55 55 54 56 56 57 56 55 54 52 51 52 52 51 51 50 49 47 45 RH 87 93100100 96 96 93100100100100 96 80 72 77 96100100100 Wind dir E NE NE NE E NE NE NE NE NE NE NE E E E E E E NE Wind spd 11 10 10 10 10 10 9 9 8 8 6 8 6 6 4 4 3 3 3 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC FW FW FW PoP 12hr 50 60 60 20 0 QPF 12hr 0.04 0.07 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs C L L C L L C C S Tstms S Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 47 65 52 67 54 68 56 72 Temp 60 59 51 48 60 62 55 53 63 64 58 55 64 66 60 57 67 66 Dewpt 50 52 51 48 54 55 55 53 57 58 57 55 59 60 59 57 61 61 PWind dir E E SE E SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 0 20 20 40 30 30 30 20 Rain shwrs S S C S S C C S S C S $$ IAZ086-210900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1017 PM CDT Sun Sep 20 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 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 64 54 62 48 Temp 61 61 60 61 61 62 62 60 59 57 55 56 59 61 61 54 52 50 48 Dewpt 58 60 60 61 61 61 61 60 59 57 55 56 57 57 55 54 52 50 48 RH 90 97100100100 97 97100100100100100 93 87 81100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 12 9 9 10 9 9 8 8 8 8 8 9 8 9 5 4 4 4 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC SC FW FW FW PoP 12hr 20 50 60 30 0 QPF 12hr 0.01 0.02 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs S C S S C C C C S C Obvis PF PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 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 65 50 66 54 70 57 72 59 75 Temp 62 61 54 51 62 63 58 55 65 67 60 57 66 69 62 59 70 69 Dewpt 55 56 54 51 58 59 58 55 61 61 59 57 63 63 60 59 64 65 PWind dir NE E E E E E SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 0 5 20 30 30 30 20 20 Rain shwrs S C S C C S S S S $$