Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
813 FOUS53 KDMX 200247 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 947 PM CDT Sat Sep 19 2026 IAZ060-200900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 62 66 57 60 53 Temp 68 66 65 64 63 63 65 64 63 62 60 59 57 57 60 58 57 57 55 53 Dewpt 66 65 64 64 63 62 63 61 62 60 58 57 57 57 58 57 57 56 54 52 RH 93 97 97100100 97 93 90 97 93 93 93100100 93 96100 96 96 96 Wind dir N N N N N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 10 8 8 9 10 11 11 10 11 10 10 10 10 10 11 10 9 8 6 6 Clouds B2 OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 80 50 60 80 30 QPF 12hr 0.43 0.04 0.17 0.32 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle C S S C Rain shwrs C D C C C L L D D L L C C S S Tstms C C S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 60 49 64 53 67 58 69 60 69 Temp 57 58 51 49 60 60 55 55 63 64 61 59 66 67 62 60 67 66 Dewpt 52 53 51 48 52 55 55 54 58 60 60 59 62 62 61 59 63 63 PWind dir NE NE E E SE E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC SC SC SC B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 10 0 0 5 20 20 20 10 30 Rain shwrs S S S S C S $$ IAZ039-200900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 67 53 61 49 Temp 66 64 63 60 61 64 66 65 61 58 56 54 56 59 60 59 55 53 51 49 Dewpt 65 63 62 60 60 59 58 57 56 55 54 53 55 55 53 53 53 52 50 49 RH 97 97 97100 97 84 75 75 84 90 93 96 96 87 78 80 93 96 96100 Wind dir N N N NE NE NE NE NE E E NE NE NE NE NE NE NE NE NE NE Wind spd 8 9 11 13 13 14 13 12 13 12 13 14 12 12 12 11 11 9 9 9 Wind gust 24 Clouds B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 40 40 50 70 50 QPF 12hr 0.19 0.04 0.05 0.25 0.04 Snow 12hr 00-00 00-00 00-00 Drizzle C C S Rain shwrs C C C C C C C L L L L C C C C Tstms C C Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 61 46 65 50 67 54 70 55 70 Temp 58 58 50 47 62 61 53 52 64 65 58 55 68 67 59 56 67 67 Dewpt 50 49 49 47 51 52 53 52 56 57 58 55 60 59 59 56 60 59 PWind dir NE NE E E SE E E E SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC B2 B1 B1 B1 B1 B1 B1 SC B1 B1 PoP 12hr 10 0 0 5 10 20 10 5 20 Rain shwrs S S S S $$ IAZ048-200900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 61 65 56 59 52 Temp 65 64 63 62 62 62 65 63 62 60 58 57 56 57 59 57 56 55 53 52 Dewpt 64 64 63 62 61 61 62 60 61 59 58 56 56 56 56 56 56 55 53 52 RH 97100100100 97 97 90 90 97 96100 96100 96 90 96100100100100 Wind dir N N N N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 10 8 8 10 11 12 12 11 10 10 10 10 10 10 11 10 8 5 5 6 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 50 40 60 80 40 QPF 12hr 0.04 0.03 0.14 0.26 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle S C C S C C C Rain shwrs C C C C L L D D D D C C S S Tstms C S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 60 47 65 52 67 57 69 59 69 Temp 57 58 50 48 62 60 54 54 63 64 60 58 67 67 61 59 67 66 Dewpt 52 52 50 48 52 54 54 54 58 60 60 58 62 62 61 59 63 63 PWind dir NE NE E E SE SE E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC SC SC SC SC B1 B2 B2 B1 B2 B2 B2 B1 B1 B1 B2 PoP 12hr 10 0 0 10 20 20 10 10 30 Rain shwrs S S S S C S $$ IAZ004-200900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 67 51 58 46 Temp 58 58 57 55 58 63 66 64 58 56 54 52 53 55 57 56 51 50 48 46 Dewpt 57 57 57 55 57 57 57 57 56 55 53 51 52 51 51 52 51 50 48 46 RH 96 96100100 96 81 73 78 93 96 96 96 96 86 80 86100100100100 Wind dir N N N N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 10 11 12 12 14 14 13 11 11 9 10 10 10 10 10 9 6 4 4 4 Clouds OV OV OV OV B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 10 50 60 5 QPF 12hr 0 0 0.12 0.06 0 Snow 12hr 00-00 00-00 00-00 Drizzle S Rain shwrs C C L L L L Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 61 43 65 50 67 54 71 56 70 Temp 58 59 48 45 61 62 52 51 63 65 57 55 67 69 59 57 67 68 Dewpt 48 50 47 44 49 53 52 51 57 60 57 55 60 62 59 56 61 62 PWind dir E SE SE SE S SE SE SE S Wind char LT LT LT LT GN LT LT LT GN Avg clouds SC SC SC FW FW SC SC B1 B2 B2 B1 B1 B2 B2 B1 SC B1 B1 PoP 12hr 5 0 0 20 40 20 10 20 30 Rain shwrs S C S S S S C S $$ IAZ035-200900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 67 53 58 49 Temp 61 61 61 60 61 63 66 64 60 59 56 55 54 55 57 56 54 53 51 49 Dewpt 60 60 60 60 60 60 60 60 59 58 56 54 54 55 55 55 54 53 51 49 RH 97 97 97100 97 90 81 87 96 96100 96100100 93 96100100100100 Wind dir N N N N NE NE NE NE NE E NE NE NE NE NE NE NE NE NE NE Wind spd 10 9 9 10 11 12 10 9 9 8 9 10 9 9 9 6 6 4 4 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 20 40 60 80 20 QPF 12hr 0.04 0.01 0.16 0.25 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle S C S S Rain shwrs C C L L D D L L S S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 45 66 50 68 55 71 57 70 Temp 58 58 49 47 62 61 53 52 64 65 59 56 68 67 61 58 68 67 Dewpt 50 52 49 46 50 54 53 52 58 61 59 56 62 63 61 58 62 63 PWind dir NE E E SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC SC SC SC SC B1 OV B2 B1 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 10 0 0 10 30 20 20 10 30 Rain shwrs C S S S S S C S $$ IAZ094-200900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 68 58 60 53 Temp 73 69 67 65 65 67 67 65 63 63 61 59 59 60 59 58 57 56 55 53 Dewpt 69 67 66 65 65 67 66 64 63 63 61 59 59 60 59 58 57 56 55 53 RH 87 93 97100100100 97 97100100100100100100100100100100100100 Wind dir N N N N N N NE NE NE NE NE NE NE NE NE NE NE N N N Wind spd 9 8 6 8 9 10 10 10 9 8 9 10 10 10 11 9 8 6 8 8 Clouds B2 OV B2 OV OV B2 OV OV OV OV OV OV OV B2 B2 OV B2 OV B2 B2 PoP 12hr 80 50 70 70 20 QPF 12hr 0.48 0.09 0.30 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C C C L L L L L L S S Tstms C C S S S S S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 59 47 61 51 66 57 69 59 69 Temp 56 56 51 48 59 58 54 53 63 63 60 58 67 65 61 59 68 65 Dewpt 56 55 51 48 55 57 54 53 61 61 59 58 64 64 61 59 65 64 PWind dir NE NE NE E SE E E E SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC SC SC SC B1 B2 B1 B2 B1 B2 B1 B1 B1 B2 B1 PoP 12hr 10 0 0 5 20 20 30 20 30 Rain shwrs S S S S C S S C S $$ IAZ017-200900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 66 49 58 45 Temp 60 60 59 57 60 64 65 63 58 57 53 51 53 55 58 56 52 51 48 46 Dewpt 59 59 58 57 59 57 57 56 56 54 52 50 53 53 52 52 52 50 48 46 RH 96 96 96100 96 78 75 78 93 90 96 96100 93 80 86100 96100100 Wind dir N N N NE NE NE NE NE E E E NE E E NE NE NE NE NE NE Wind spd 9 10 10 11 13 13 12 9 9 9 10 11 10 9 10 8 6 5 4 5 Clouds OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 PoP 12hr 20 10 40 70 20 QPF 12hr 0.01 0.02 0.10 0.10 0 Snow 12hr 00-00 00-00 00-00 Drizzle S S Rain shwrs S S C C L L L L S S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 60 43 64 47 66 52 70 54 69 Temp 57 57 48 45 61 60 52 50 63 64 57 54 67 66 59 55 66 66 Dewpt 49 48 47 45 49 51 52 50 55 57 57 54 59 59 58 55 59 59 PWind dir E E E SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC B2 B2 B1 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 10 0 0 10 20 20 10 10 20 Rain shwrs S S S S S $$ IAZ049-200900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 65 54 60 49 Temp 66 64 63 60 61 62 65 63 61 59 57 55 56 57 59 58 55 54 51 49 Dewpt 65 63 62 60 61 60 60 59 59 57 55 54 55 55 55 55 55 53 51 49 RH 97 97 97100100 93 84 87 93 93 93 96 96 93 87 90100 96100100 Wind dir N N N NE NE NE NE NE NE E NE NE NE NE NE NE NE NE NE NE Wind spd 9 9 9 11 12 12 12 11 11 9 10 11 10 11 11 10 9 6 6 6 Clouds OV B2 B2 OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 60 50 50 80 40 QPF 12hr 0.15 0.04 0.09 0.28 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle C C C C C S Rain shwrs C L C C C D D D D C C C C S Tstms C C Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 46 64 50 66 54 69 56 69 Temp 57 57 49 47 60 60 53 52 62 64 58 55 66 66 59 57 66 65 Dewpt 50 50 49 46 51 53 53 52 56 58 58 55 60 60 59 57 61 61 PWind dir NE NE E E SE E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC FW SC SC SC SC B2 B2 B1 B1 B2 B2 SC SC B1 B1 PoP 12hr 20 0 0 5 20 20 10 5 30 Rain shwrs S S S S S C $$ IAZ086-200900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 947 PM CDT Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 65 69 58 61 54 Temp 74 71 69 67 67 67 68 66 64 62 60 59 60 61 61 60 59 58 56 54 Dewpt 71 70 68 67 67 67 66 65 64 62 60 59 60 61 60 59 59 58 56 54 RH 90 97 97100100100 93 97100100100100100100 97 96100100100100 Wind dir N NW N N N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 5 6 5 6 9 11 11 11 11 10 10 10 11 11 11 10 9 8 8 8 Clouds SC B2 OV OV OV OV B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 90 60 70 80 40 QPF 12hr 0.65 0.07 0.30 0.22 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle S C Rain shwrs L D C L C C C L L D D L L C C S S S Tstms L C S S Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 61 49 63 52 67 57 70 58 70 Temp 59 58 52 50 61 61 56 54 65 65 60 58 68 67 62 59 69 67 Dewpt 56 55 52 49 56 58 56 54 60 61 60 58 63 64 62 59 65 64 PWind dir NE NE NE E E E E E SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC SC SC SC B1 B2 B2 B1 B1 B2 B1 SC SC B1 B1 PoP 12hr 20 0 0 0 10 20 20 5 20 Rain shwrs S S S S S S $$