Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
709 FOUS53 KDMX 211944 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 244 PM CDT Mon Sep 21 2026 IAZ060-220900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 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 54 61 50 66 53 Temp 61 58 58 58 57 55 56 58 60 59 56 54 52 50 56 62 66 62 57 56 55 54 Dewpt 59 57 58 58 57 55 54 55 57 55 55 54 52 50 51 53 56 55 56 55 55 54 RH 93 96100100100100 93 90 90 87 96100100100 83 72 70 78 96 96100100 Wind dir NE NE NE NE NE NE NE E NE NE E E E E E E E E E E SE SE Wind spd 6 9 9 8 8 8 8 8 8 5 5 3 3 3 4 5 5 4 4 4 3 3 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B1 FW FW FW FW FW FW FW SC B2 B2 PoP 12hr 70 20 0 0 5 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle S S Rain shwrs L L C S C Tstms S Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 56 66 58 67 61 71 61 74 Temp 61 62 59 58 63 64 61 59 63 65 63 62 68 68 64 62 70 70 Dewpt 57 58 58 57 59 60 59 57 61 63 61 60 63 64 61 59 64 65 PWind dir SE E SE SE SE SE E E SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC PoP 12hr 40 30 40 50 70 40 20 20 20 Rain shwrs C C S C C C S C L C C C S S S S Tstms S S $$ IAZ039-220900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 62 45 67 50 Temp 59 57 54 54 53 51 54 59 61 58 52 50 47 45 56 64 67 62 55 55 53 51 Dewpt 56 56 54 54 52 51 53 53 51 50 50 49 47 45 52 53 52 53 55 55 53 51 RH 90 96100100 96100 96 80 70 75 93 96100100 86 67 59 72100100100100 Wind dir NE NE NE NE NE NE E E E E E E NE NE E E E E E SE E E Wind spd 10 10 10 9 9 8 9 10 10 6 5 4 3 4 6 8 6 4 4 4 4 3 Clouds OV OV OV OV OV OV OV B2 B1 B1 SC FW FW FW FW SC SC FW SC SC B1 B2 PoP 12hr 80 20 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C Rain shwrs L D L C C S S Tstms S Obvis PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 52 67 53 65 56 69 56 73 Temp 62 62 56 53 64 64 57 54 62 63 58 58 66 66 59 57 70 69 Dewpt 56 55 56 53 57 56 56 54 57 58 58 57 61 60 59 57 61 61 PWind dir SE E SE SE SE SE E E SE Wind char LT LT LT GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 SC SC B1 SC PoP 12hr 20 20 20 40 50 40 20 10 20 Rain shwrs S S S S C C C C C S S $$ IAZ048-220900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 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 53 60 48 65 52 Temp 59 57 56 57 56 54 55 57 59 58 54 53 50 48 55 62 65 61 56 55 54 53 Dewpt 56 56 56 57 56 54 54 55 56 54 54 53 50 48 52 54 55 55 56 55 54 53 RH 90 96100100100100 96 93 90 86100100100100 90 75 70 81100100100100 Wind dir NE NE NE E NE NE E E E E E E E E E E SE E E SE SE SE Wind spd 9 9 9 6 6 6 8 8 8 5 4 2 2 3 5 5 5 4 3 3 3 3 Clouds OV OV OV OV OV OV OV OV OV B2 B1 B1 SC FW FW SC SC FW FW B1 B2 B2 PoP 12hr 80 10 0 0 5 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle S Rain shwrs L D C S S S C Tstms S Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 55 66 57 66 59 70 60 72 Temp 60 63 59 56 63 64 60 57 63 64 62 60 67 67 62 60 70 69 Dewpt 58 58 58 56 59 59 59 57 61 62 61 60 63 64 61 60 64 65 PWind dir SE SE SE SE SE SE NE E SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 50 20 40 50 70 40 20 10 20 Rain shwrs C C S S C C S C L C C C S S S Tstms S S $$ IAZ004-220900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 48 59 45 63 50 Temp 54 52 52 52 50 48 52 55 58 57 51 49 47 45 53 60 63 61 54 53 52 51 Dewpt 52 52 52 52 50 48 52 51 52 52 51 49 47 45 51 51 53 54 53 53 52 51 RH 93100100100100100100 86 80 83100100100100 93 72 70 78 96100100100 Wind dir E NE NE NE E NE E E E E SE SE SE SE SE SE SE SE SE S S SE Wind spd 9 10 8 5 5 5 6 6 6 6 5 4 4 4 8 10 10 8 9 9 10 10 Clouds OV OV OV OV OV OV B2 B2 B2 B2 B1 SC B1 B1 FW FW SC SC B1 B1 B2 OV PoP 12hr 70 5 0 0 50 QPF 12hr 0.01 0 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L S C C L Obvis PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 53 65 54 65 56 68 56 70 Temp 58 62 57 53 62 63 58 55 61 64 59 57 65 66 58 56 66 68 Dewpt 58 58 56 53 59 60 58 55 60 62 59 57 61 62 58 56 61 63 PWind dir S SE SE SE SE SE NE SE S Wind char GN LT GN GN GN GN GN LT GN Avg clouds OV B2 B2 B2 OV B2 B2 B2 OV B2 B1 B1 B2 B1 SC SC B1 B1 PoP 12hr 70 20 40 50 60 30 10 20 30 Rain shwrs L C S S C C S C L C S C S S C Tstms S S $$ IAZ035-220900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 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 51 60 46 65 51 Temp 57 55 54 55 54 51 54 56 58 58 53 51 49 47 54 62 65 61 55 54 52 54 Dewpt 55 54 54 55 54 51 53 55 55 54 53 51 49 47 52 53 54 55 55 54 52 54 RH 93 96100100100100 96 96 90 86100100100100 93 72 68 81100100100100 Wind dir E NE NE E E NE E E E E E E E E SE SE SE SE SE SE SE SE Wind spd 8 6 6 5 5 5 6 5 5 4 3 2 3 3 5 5 5 3 4 4 5 5 Clouds OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 FW FW FW SC SC B1 B2 OV PoP 12hr 70 10 0 0 20 QPF 12hr 0.01 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C S S S S L Tstms S S Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 54 66 55 66 58 70 57 73 Temp 59 62 58 55 63 64 59 56 61 64 61 59 66 67 61 58 68 69 Dewpt 58 59 58 55 59 60 59 56 61 63 61 59 63 64 61 58 63 65 PWind dir SE SE SE SE SE SE NE E SE Wind char LT LT LT GN GN LT LT LT LT Avg clouds OV B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC B1 B1 PoP 12hr 70 20 40 50 60 30 10 20 20 Rain shwrs L C S S C C C C L C C C S S S S Tstms S S S $$ IAZ094-220900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 61 50 65 52 Temp 63 61 60 59 58 57 56 59 61 59 56 55 52 50 55 63 65 61 56 54 53 54 Dewpt 60 60 60 59 58 57 56 58 59 57 56 55 52 50 53 56 57 57 56 54 53 54 RH 90 97100100100100100 96 93 93100100100100 93 78 75 87100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE E NE NE NE E E E E E E E E Wind spd 6 6 6 5 6 8 8 8 9 6 5 4 4 4 5 5 5 3 4 3 4 3 Clouds OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC FW FW FW FW SC SC B1 B2 PoP 12hr 40 10 0 0 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle S S Rain shwrs C C Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 55 65 57 68 60 73 60 74 Temp 62 60 58 56 63 63 60 58 65 65 63 61 71 68 63 61 72 69 Dewpt 60 60 58 56 62 62 59 58 64 64 61 60 66 66 62 60 66 66 PWind dir SE E SE SE SE SE E E SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B1 B2 B2 OV B2 B2 OV OV B2 B1 B2 B2 B1 SC SC SC SC PoP 12hr 30 40 50 60 70 40 20 20 20 Rain shwrs C C S C C C C L L C C C S S S S Tstms S S S $$ IAZ017-220900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 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 47 60 43 64 47 Temp 55 53 52 52 49 48 52 57 59 56 49 48 45 44 53 62 64 59 53 52 51 49 Dewpt 53 53 52 52 49 48 52 52 51 50 49 48 45 44 52 52 52 53 53 52 51 49 RH 93100100100100100100 83 75 80100100100100 96 70 65 80100100100100 Wind dir E NE NE E E NE E E E E E E E E E SE SE SE SE SE SE SE Wind spd 6 8 6 5 5 5 6 8 6 4 3 2 2 3 5 8 6 4 4 4 5 5 Clouds OV OV OV OV OV OV B2 B1 B1 SC SC B1 B1 SC FW SC FW SC SC B1 B2 OV PoP 12hr 70 5 0 0 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C L Obvis PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 50 65 52 63 54 67 54 71 Temp 60 60 56 52 64 63 57 53 61 62 58 57 65 64 58 55 68 67 Dewpt 56 56 55 52 57 57 56 53 58 59 58 57 60 60 58 55 60 61 PWind dir SE SE SE SE SE SE NE E SE Wind char LT LT LT GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 60 20 30 40 60 40 10 10 20 Rain shwrs L C S S C C L C C C S S S S $$ IAZ049-220900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 60 45 66 50 Temp 58 56 55 54 53 52 54 57 60 58 52 50 47 45 54 62 66 60 54 54 53 51 Dewpt 56 55 55 54 53 52 53 54 54 52 52 50 47 45 51 53 54 54 54 54 53 51 RH 93 96100100100100 96 90 81 80100100100100 90 72 65 81100100100100 Wind dir E NE NE NE NE NE E E NE NE E E NE NE E E E E E SE SE E Wind spd 11 10 9 8 8 6 8 8 8 5 4 3 3 3 4 5 5 3 3 3 3 3 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC FW FW FW SC SC FW SC SC B2 B2 PoP 12hr 80 20 0 0 5 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C Rain shwrs L D L S S C Tstms S S Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 53 66 54 64 56 68 57 72 Temp 61 61 57 54 63 63 58 55 61 62 60 58 65 66 60 58 69 68 Dewpt 56 56 57 54 57 57 56 54 58 59 59 58 61 62 59 57 61 63 PWind dir SE E SE SE SE SE E E SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC PoP 12hr 30 20 30 40 60 50 20 10 20 Rain shwrs C S S S C S C L C C C S S S $$ IAZ086-220900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 244 PM CDT Mon Sep 21 2026 Date 09/21/26 Tue 09/22/26 Wed 09/23/26 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 55 62 49 66 52 Temp 62 60 59 58 56 55 57 59 61 60 56 54 51 49 57 63 66 63 58 57 54 53 Dewpt 58 58 59 58 56 55 57 58 58 57 56 54 51 49 54 57 58 59 58 57 54 53 RH 87 93100100100100100 96 90 90100100100100 90 81 75 87100100100100 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E E NE E E E E Wind spd 6 8 9 8 8 8 9 8 9 5 5 4 3 4 4 4 5 3 4 3 3 2 Clouds OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC FW FW FW FW FW SC B1 B2 PoP 12hr 60 40 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle S Rain shwrs L C C C C S Obvis PF PF PF PF PF PF PF Date 09/24 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 56 67 56 66 59 71 60 75 Temp 62 64 59 56 64 64 60 57 63 64 61 60 68 67 63 61 71 71 Dewpt 60 60 59 56 61 61 58 56 62 62 60 59 65 65 62 59 65 66 PWind dir E E SE SE SE SE E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC SC B1 SC PoP 12hr 10 20 30 20 50 40 30 10 20 Rain shwrs S C S S C C C C C S $$