Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
474 FOUS53 KDMX 210627 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 127 AM CDT Mon Sep 21 2026 IAZ060-220900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 127 AM CDT Mon Sep 21 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 60 54 62 48 Temp 60 59 58 58 60 59 57 57 56 55 55 57 60 59 54 52 50 48 Dewpt 58 58 58 58 59 58 57 57 56 54 54 55 56 54 54 52 50 48 RH 93 96100100 96 96100100100 96 96 93 87 83100100100100 Wind dir 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 8 8 6 8 8 9 6 4 3 3 3 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC FW FW PoP 12hr 50 60 60 10 0 QPF 12hr 0.05 0.12 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle L L L C S S Rain shwrs C L L C C Tstms S C 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 65 52 64 56 67 58 65 60 73 Temp 60 61 55 52 60 62 58 57 61 65 60 59 61 64 62 61 67 70 Dewpt 53 55 55 52 57 58 57 57 59 60 59 57 60 62 61 59 63 64 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 SC SC B1 B2 B2 B2 B1 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 PoP 12hr 0 5 40 20 30 30 50 30 30 Rain shwrs C S C S C C C S C C Tstms S S $$ IAZ039-220900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 127 AM CDT Mon Sep 21 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 59 50 61 45 Temp 57 55 56 58 58 57 54 53 52 51 55 59 61 58 52 49 47 45 Dewpt 54 54 56 57 55 55 54 53 52 51 52 52 50 50 50 48 47 45 RH 90 96100 96 90 93100100100100 90 78 67 75 93 96100100 Wind dir NE NE NE E E NE NE E NE NE E E E E E E NE NE Wind spd 11 12 12 12 12 10 10 9 9 8 9 10 10 5 4 4 4 4 Clouds OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW FW PoP 12hr 40 50 60 10 0 QPF 12hr 0.07 0.11 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C C C C C C S Rain shwrs C C C C Tstms S Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 49 64 52 67 53 66 55 71 Temp 63 62 53 49 62 62 55 53 64 65 57 55 63 64 59 56 68 68 Dewpt 53 53 53 49 54 54 55 53 57 56 56 55 58 58 58 56 61 61 PWind dir E E SE E SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW FW SC SC B1 B2 B2 B1 B2 B1 B1 B2 B2 B2 B2 B1 B2 B1 PoP 12hr 0 0 20 5 10 20 30 30 20 Rain shwrs S S S C C S C S $$ IAZ048-220900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 127 AM CDT Mon Sep 21 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 59 52 61 46 Temp 58 57 56 57 58 58 56 55 55 53 54 57 60 59 53 51 48 46 Dewpt 57 57 56 57 58 58 56 55 55 53 53 55 55 53 53 51 48 46 RH 96100100100100100100100100100 96 93 84 80100100100100 Wind dir NE NE NE E NE NE E E NE NE E E E E E E E E Wind spd 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 B2 B1 B1 FW SC FW FW PoP 12hr 60 70 60 10 0 QPF 12hr 0.07 0.17 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle L S S Rain shwrs C L L C L Tstms C C 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 66 51 64 54 67 57 65 59 72 Temp 61 61 54 52 60 62 57 56 62 65 59 58 61 63 60 59 67 69 Dewpt 53 55 54 52 57 58 57 56 59 60 59 57 60 62 60 59 63 64 PWind dir E SE SE E SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B2 B1 PoP 12hr 0 5 40 10 30 30 50 40 30 Rain shwrs C C C S C C C S C C Tstms S $$ IAZ004-220900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 127 AM CDT Mon Sep 21 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 54 48 60 43 Temp 54 51 52 52 54 53 53 52 51 49 53 58 59 57 50 48 45 44 Dewpt 52 51 52 52 53 53 52 51 49 47 51 51 51 51 50 48 45 44 RH 93100100100 96100 96 96 93 93 93 77 75 80100100100100 Wind dir NE NE NE NE NE NE NE E NE NE E E E E SE SE SE SE Wind spd 9 11 10 10 9 9 8 5 4 4 6 8 8 6 5 3 4 4 Clouds OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 SC FW FW FW FW PoP 12hr 60 80 40 5 0 QPF 12hr 0.20 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C L C Rain shwrs L L C C Tstms S Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 49 63 52 66 55 64 56 70 Temp 61 62 53 50 60 61 56 54 64 64 58 56 62 62 58 57 67 68 Dewpt 50 52 52 50 56 58 56 54 58 59 57 56 60 61 58 56 60 62 PWind dir SE SE S SE SE SE S SE SE Wind char GN LT GN LT GN GN GN GN GN Avg clouds FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 B2 B1 PoP 12hr 0 40 50 20 30 40 50 30 30 Rain shwrs C C S C C S C C C S C C S Tstms S $$ IAZ035-220900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 127 AM CDT Mon Sep 21 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 56 50 61 44 Temp 56 54 54 55 56 55 55 54 53 51 54 57 60 58 51 50 47 45 Dewpt 55 54 54 55 56 55 55 54 53 51 53 54 54 53 51 50 47 45 RH 96100100100100100100100100100 96 90 81 83100100100100 Wind dir NE NE NE E NE NE NE NE NE NE E E E E E E E E Wind spd 9 9 9 8 6 6 6 5 5 4 5 5 5 4 3 2 2 3 Clouds OV OV OV OV OV OV OV B1 B2 B1 B1 B1 B1 SC SC FW SC SC PoP 12hr 70 80 50 10 0 QPF 12hr 0.31 0.21 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C S Rain shwrs L D L L L Tstms 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 67 50 64 53 68 56 65 57 73 Temp 62 61 54 51 60 62 57 55 64 65 59 57 62 62 60 58 68 69 Dewpt 52 54 54 51 57 58 57 55 59 60 59 57 61 62 60 58 63 64 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW SC SC B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B2 B1 PoP 12hr 0 20 50 20 30 40 50 40 20 Rain shwrs S C S C C C C C S C S Tstms S $$ IAZ094-220900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 127 AM CDT Mon Sep 21 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 63 55 61 48 Temp 61 60 60 62 63 61 60 59 58 56 56 59 60 58 55 53 50 48 Dewpt 61 60 60 62 62 61 60 59 58 56 56 58 58 57 55 53 50 48 RH 100100100100 97100100100100100100 96 93 96100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E NE NE Wind spd 6 8 8 6 6 8 6 6 6 8 8 8 9 6 5 4 4 4 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC FW FW PoP 12hr 30 40 40 10 0 QPF 12hr 0 0.01 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C S S S C C Rain shwrs S Obvis PF PF Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 50 64 54 66 58 66 60 74 Temp 61 60 54 51 61 60 57 56 63 63 60 58 64 63 61 61 71 69 Dewpt 56 57 54 51 60 59 57 56 62 62 59 58 64 63 60 60 66 66 PWind dir E E E E SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B1 B1 B1 B2 SC PoP 12hr 0 0 30 20 40 30 40 30 20 Rain shwrs C S S C S C C S S C S Tstms S S S $$ IAZ017-220900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 127 AM CDT Mon Sep 21 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 56 47 59 41 Temp 54 50 53 54 55 55 53 52 50 48 53 58 59 56 49 47 45 42 Dewpt 51 50 53 54 54 53 53 52 49 46 52 52 50 49 49 47 45 42 RH 90100100100 96 93100100 96 93 96 80 72 77100100100100 Wind dir E NE NE E E NE E E NE NE E E E E E E E E Wind spd 9 10 10 10 9 8 6 5 5 5 6 8 6 4 3 2 2 3 Clouds OV OV OV OV OV OV B2 B1 B1 SC B2 B1 B1 SC FW FW FW FW PoP 12hr 60 70 50 5 0 QPF 12hr 0.18 0.11 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C C Rain shwrs C L L C 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 65 46 62 49 66 52 63 54 70 Temp 62 60 51 47 60 60 55 53 63 63 57 54 62 61 57 55 67 66 Dewpt 51 52 51 47 55 54 55 53 57 57 56 54 58 58 57 55 60 60 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 10 40 5 20 30 40 40 30 Rain shwrs C S S C C C S C C $$ IAZ049-220900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 127 AM CDT Mon Sep 21 2026 Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 59 50 61 44 Temp 57 55 56 57 58 57 54 54 53 51 53 57 59 58 51 49 46 44 Dewpt 55 54 56 57 57 57 54 54 53 51 53 53 52 51 51 49 46 44 RH 93 96100100 96100100100100100100 86 78 77100100100100 Wind dir NE NE NE E NE NE NE NE NE NE NE E E E E E NE NE Wind spd 10 10 10 10 10 9 9 8 8 6 8 6 8 4 3 3 3 3 Clouds OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW FW FW FW PoP 12hr 50 60 60 10 0 QPF 12hr 0.04 0.07 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle L L C L C C S Rain shwrs C L Tstms S Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 48 64 52 66 54 65 56 71 Temp 60 60 53 49 60 61 55 54 62 64 57 55 61 62 58 57 66 68 Dewpt 52 54 53 49 55 56 55 54 57 58 57 55 58 59 58 57 61 62 PWind dir E E SE E SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 PoP 12hr 0 5 30 5 20 20 40 30 30 Rain shwrs C S S S S C C S C C S $$ IAZ086-220900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 127 AM CDT Mon Sep 21 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 63 48 Temp 61 60 61 61 62 61 59 58 57 55 56 58 60 60 54 53 50 48 Dewpt 60 60 61 61 62 61 59 58 57 55 56 57 58 56 54 53 50 48 RH 97100100100100100100100100100100 96 93 87100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 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 B2 SC B1 SC FW FW FW PoP 12hr 20 40 60 20 0 QPF 12hr 0.01 0.02 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C S S C C C C C Rain shwrs 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 66 51 66 54 68 56 66 59 75 Temp 63 62 56 52 62 63 58 56 64 65 59 57 62 63 60 59 69 70 Dewpt 57 58 56 52 59 59 58 56 61 61 59 57 62 62 60 59 64 65 PWind dir E E E E E SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 0 0 10 5 10 20 30 20 20 Rain shwrs S C C S S S $$