Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
814 FOUS53 KDMX 282359 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 659 PM CDT Thu Aug 28 2025 IAZ060-290900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 83 60 82 62 Temp 79 70 65 62 60 72 80 82 78 70 67 64 62 72 80 81 77 71 68 65 63 Dewpt 59 60 59 59 58 62 60 60 62 62 62 60 59 61 60 60 61 60 60 59 59 RH 50 71 81 90 93 71 51 47 58 76 84 87 90 68 51 49 58 68 76 81 87 Wind dir SW N NE E E SE SE E E E SE SE SE SE SE E E E E SE E Wind spd 3 2 2 2 2 3 4 5 5 5 4 4 4 5 6 6 6 5 5 5 5 Clouds CL CL FW FW SC SC SC B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 10 10 20 QPF 12hr 0 0 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 76 59 74 57 78 58 73 49 68 Temp 74 73 65 61 70 71 62 58 75 75 64 60 71 67 55 50 64 64 Dewpt 59 59 59 57 58 57 57 55 58 58 58 56 55 51 49 46 43 42 PWind dir SE E SE E NW NW NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 20 10 10 20 30 20 10 Rain shwrs S S S S S C S S S Tstms S S $$ IAZ039-290900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 77 58 77 58 Temp 76 67 63 59 58 66 73 76 72 65 62 60 59 67 74 76 72 65 62 60 59 Dewpt 64 63 61 58 57 60 62 62 64 62 60 59 58 61 62 62 63 61 60 58 57 RH 66 87 93 96 96 81 68 62 76 90 93 96 96 81 66 62 73 87 93 93 93 Wind dir NE E E E SE SE SE SE SE SE SE SE SE SE SE SE E E E SE SE Wind spd 2 4 4 4 5 5 5 5 4 4 4 3 4 5 5 5 4 4 4 3 3 Clouds FW FW FW SC SC B1 B1 B1 B1 FW SC SC B1 SC B1 B1 B2 B2 B1 B1 B1 PoP 12hr 20 20 20 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Sprinkles Tstms S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 56 75 55 76 55 68 46 63 Temp 72 71 60 57 72 71 59 57 74 72 60 57 68 63 51 47 60 60 Dewpt 60 60 58 55 58 58 56 54 58 59 57 56 55 51 47 44 44 44 PWind dir SE E SE SE SW NW NW NW NW Wind char LT LT LT LT LT LT GN GN GN Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 10 10 10 10 20 30 30 20 10 Rain shwrs S C C C S S Tstms S $$ IAZ048-290900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 58 81 59 80 60 Temp 78 68 65 61 59 69 77 80 76 68 65 62 60 69 78 79 74 67 65 63 61 Dewpt 62 62 62 60 58 62 63 63 64 64 62 61 59 63 62 62 63 63 61 60 59 RH 58 81 90 97 96 78 62 56 66 87 90 97 96 81 58 56 69 87 87 90 93 Wind dir W W SE E E SE SE SE E E SE SE SE SE SE SE E E E E E Wind spd 4 2 2 2 2 4 4 4 4 4 3 3 3 5 5 5 5 5 5 4 4 Clouds FW FW FW SC B1 SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 20 10 10 10 20 QPF 12hr 0 0 0 0 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Sprinkles Tstms S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 75 57 74 55 77 55 70 46 66 Temp 73 72 62 58 71 70 60 57 74 73 61 57 68 64 52 47 62 62 Dewpt 61 61 60 57 59 59 57 55 59 60 58 56 56 51 49 44 44 44 PWind dir SE E SE SE SW NW NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC SC SC PoP 12hr 20 20 20 20 10 30 20 20 10 Rain shwrs S S S S S C S S S S Tstms S S $$ IAZ004-290900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 78 59 76 59 Temp 76 67 62 59 58 69 75 77 74 66 62 60 60 68 73 75 71 63 61 60 60 Dewpt 64 62 60 59 58 62 62 62 63 61 60 59 58 62 62 62 62 61 60 58 58 RH 66 84 93100100 78 64 60 69 84 93 96 93 81 68 64 73 93 97 93 93 Wind dir SE SE SE SE S S S S SE SE S S S SE SE SE SE SE SE SE SE Wind spd 3 4 4 4 3 5 5 5 4 4 4 4 4 5 5 5 5 5 5 5 5 Clouds FW FW FW B1 B2 SC B1 B1 SC SC SC B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 PoP 12hr 10 20 10 30 30 QPF 12hr 0 0.03 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S C C C Sprinkles Tstms S S C S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 57 73 56 75 53 65 44 64 Temp 69 69 61 58 69 70 59 57 71 70 59 55 63 60 49 45 59 61 Dewpt 62 62 58 57 59 60 57 55 59 59 56 52 52 48 44 41 43 44 PWind dir SE SE SE S W NW NW NW NW Wind char LT LT LT LT LT GN GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC PoP 12hr 30 20 20 20 30 40 20 10 5 Rain shwrs C S S S S S C C C S Tstms S S C S $$ IAZ035-290900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 80 59 79 59 Temp 77 68 64 60 58 69 77 79 75 67 63 61 60 69 76 78 73 66 63 61 60 Dewpt 64 63 62 60 58 62 63 63 64 63 62 60 59 62 62 63 63 62 61 60 59 RH 64 84 93100100 78 62 58 69 87 97 97 96 78 62 60 71 87 93 97 96 Wind dir S SE SE SE SE SE S SE SE SE SE SE SE SE SE SE E E E SE SE Wind spd 2 3 3 3 3 4 4 5 4 4 3 3 3 4 5 5 5 5 5 5 5 Clouds SC FW FW SC B2 B1 B1 B1 B1 SC B1 B2 B2 B1 B1 B2 B2 OV B2 B2 B2 PoP 12hr 20 10 10 20 30 QPF 12hr 0 0 0 0.04 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C S Sprinkles Tstms S S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 73 57 74 55 77 53 69 44 66 Temp 71 70 61 58 70 70 60 57 74 72 60 55 66 63 51 45 62 62 Dewpt 61 61 59 57 59 60 57 55 59 60 58 54 54 50 46 43 43 44 PWind dir SE SE SE SE SW NW NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 20 20 20 20 20 40 20 20 5 Rain shwrs S S S S S S C C S S S S Tstms S S $$ IAZ094-290900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 83 60 82 62 Temp 77 69 65 61 59 73 80 81 78 69 65 63 60 73 81 81 77 70 67 65 64 Dewpt 57 58 58 58 57 61 58 57 59 60 59 59 58 60 57 57 59 59 59 58 58 RH 50 68 78 90 93 66 47 44 52 73 81 87 93 64 44 44 54 68 75 78 81 Wind dir S S NW N N SE S SE SE E SE SE SE SE SE SE E E SE SE SE Wind spd 3 2 2 2 2 2 3 4 3 3 3 3 3 4 5 5 4 5 5 5 5 Clouds FW FW FW FW FW FW SC SC SC SC SC SC B1 SC SC B1 B2 B2 B2 B2 OV PoP 12hr 5 5 5 10 20 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 59 74 57 77 56 73 48 68 Temp 75 73 64 60 70 70 62 58 74 73 62 58 71 67 54 49 65 63 Dewpt 57 59 57 55 56 58 57 55 57 58 58 56 56 54 50 46 43 43 PWind dir SE E SE E N NW NW N NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 SC FW SC SC SC SC SC SC FW PoP 12hr 20 20 20 20 10 10 30 20 10 Rain shwrs S S S S S S S S S C S Tstms S S $$ IAZ017-290900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 76 57 76 57 Temp 75 66 62 58 58 68 74 75 72 64 62 60 59 67 74 76 72 63 60 60 59 Dewpt 60 62 61 58 57 62 64 64 64 62 61 59 58 63 64 63 64 61 60 58 58 RH 60 87 97100 96 81 71 69 76 93 97 96 96 87 71 64 76 93100 93 96 Wind dir NE E E SE SE SE S S SE SE SE S SE SE SE SE SE SE SE SE SE Wind spd 3 3 3 3 3 5 5 4 3 2 2 2 2 4 4 5 4 3 3 3 3 Clouds FW FW FW SC B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 10 20 20 20 10 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Sprinkles C Tstms S S S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 72 56 72 54 74 53 65 44 61 Temp 71 70 60 57 70 69 57 56 72 69 58 55 64 60 49 45 58 58 Dewpt 62 61 58 55 59 59 55 53 59 59 56 54 54 50 44 42 44 44 PWind dir SE SE SE S SW W NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 20 10 20 10 20 40 30 20 10 Rain shwrs S S S S S S C C C S S Tstms S S $$ IAZ049-290900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 78 58 78 58 Temp 76 68 63 59 58 67 74 77 74 66 62 60 59 68 76 77 73 66 63 61 60 Dewpt 63 62 61 59 58 62 63 63 64 63 61 59 57 62 62 62 63 61 60 58 57 RH 64 81 93100100 84 69 62 71 90 97 96 93 81 62 60 71 84 90 90 90 Wind dir NW NE E E SE SE SE SE E SE SE SE SE SE SE SE E E E E E Wind spd 4 3 3 4 4 5 4 4 3 3 3 3 3 5 5 5 4 4 4 4 4 Clouds FW FW FW FW SC B1 B1 SC B1 FW SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 PoP 12hr 10 20 20 10 20 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Sprinkles C Tstms S S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 56 73 54 75 54 68 45 63 Temp 72 70 60 57 70 70 58 55 74 71 59 56 67 63 51 46 61 60 Dewpt 60 60 58 55 58 58 55 53 59 59 56 54 55 52 47 43 44 44 PWind dir SE E SE SE W NW NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 10 20 10 10 20 30 30 20 10 Rain shwrs S S S C C S S S Tstms S S $$ IAZ086-290900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 659 PM CDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 58 81 59 81 59 Temp 77 68 65 61 60 70 78 80 76 68 64 62 60 72 78 80 77 69 66 63 61 Dewpt 59 59 60 59 58 62 61 61 64 63 62 59 58 61 60 60 61 61 60 58 57 RH 54 73 84 93 93 76 56 52 66 84 93 90 93 68 54 51 58 76 81 84 87 Wind dir W NW NE E E SE SE E E E SE SE SE SE SE E E E E E E Wind spd 5 3 3 4 4 5 4 5 5 5 4 4 4 5 5 6 5 5 5 5 5 Clouds FW CL FW FW SC B1 SC B1 SC FW SC SC SC SC B1 B1 B2 B2 B1 B1 B1 PoP 12hr 5 10 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 58 75 57 78 56 73 49 67 Temp 75 73 64 59 72 71 61 58 75 73 62 58 71 67 55 50 63 63 Dewpt 58 59 56 55 57 57 56 55 57 58 58 56 55 54 52 47 44 44 PWind dir E E SE E NE NW NW NW NW Wind char LT LT LT LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 B1 SC SC B1 SC SC FW SC SC SC SC SC SC SC PoP 12hr 10 20 20 20 20 20 30 20 10 Rain shwrs S S S S S S S C S S Tstms S $$