Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
484 FOUS53 KDMX 281430 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 930 AM CDT Thu Aug 28 2025 IAZ060-282100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 60 82 61 80 Temp 71 80 83 80 70 65 62 60 72 79 81 78 70 67 64 62 71 77 79 75 Dewpt 60 58 58 59 60 59 59 58 62 61 60 61 61 61 60 59 60 60 59 60 RH 68 47 43 49 71 81 90 93 71 54 49 56 73 81 87 90 68 56 50 60 Wind dir NW SW S NE NE E SE E SE SE E E E SE SE SE SE SE E E Wind spd 2 3 4 4 3 3 3 3 4 4 5 5 5 4 4 4 5 6 8 8 Clouds CL FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 0 5 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 76 59 77 58 80 59 75 Temp 67 62 72 72 64 60 74 73 63 59 75 76 65 61 73 70 Dewpt 60 58 57 56 56 56 57 56 57 56 57 57 57 58 56 52 PWind dir E SE E SE E NE S NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC FW SC SC B1 PoP 12hr 20 20 20 20 20 10 20 20 Rain shwrs S S S S S S S S S Tstms S S S S S S $$ IAZ039-282100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 57 75 57 75 Temp 69 77 79 75 66 62 58 57 66 72 75 72 65 61 60 59 65 72 73 70 Dewpt 59 62 62 63 62 60 58 57 60 62 62 62 61 59 57 56 59 60 61 60 RH 70 60 56 66 87 93100100 81 71 64 71 87 93 90 90 81 66 66 71 Wind dir N NE NE NE E E E SE SE SE SE SE E SE SE SE SE SE SE E Wind spd 5 3 4 4 4 4 5 5 5 5 5 4 4 4 4 4 5 5 5 4 Clouds SC FW SC SC FW FW SC SC B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B2 PoP 12hr 10 0 5 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 73 55 74 55 77 57 71 Temp 61 59 70 69 59 56 71 70 59 57 73 72 61 59 68 64 Dewpt 58 56 56 57 56 54 57 57 55 54 58 58 56 56 56 51 PWind dir SE SE E SE E SE SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC B1 B1 PoP 12hr 10 10 10 20 20 10 30 30 Rain shwrs S S S C C C Tstms S S C S $$ IAZ048-282100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 59 80 59 78 Temp 72 78 81 78 68 64 61 59 69 77 80 76 68 64 62 60 68 74 76 73 Dewpt 61 62 61 63 62 61 60 59 62 63 63 63 63 62 60 58 61 61 62 62 RH 68 58 51 60 81 90 97100 78 62 56 64 84 93 93 93 78 64 62 68 Wind dir NW W N NE E E E E SE SE E E E SE SE SE SE SE SE E Wind spd 3 3 3 3 3 3 2 2 4 4 4 5 4 3 3 3 5 5 6 6 Clouds FW FW FW FW FW FW SC B1 SC B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 5 5 10 10 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 74 57 76 56 78 57 73 Temp 64 60 71 70 61 57 71 72 61 57 74 75 63 58 70 66 Dewpt 61 57 58 58 57 55 57 58 57 55 58 59 58 57 56 52 PWind dir E SE E SE E SE SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 OV B2 B1 B1 B1 B1 B1 B1 SC SC SC FW SC B1 SC PoP 12hr 30 20 20 20 20 10 30 20 Rain shwrs C S S S S C S S Tstms S S S C S $$ IAZ004-282100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 78 58 75 Temp 67 75 77 75 65 62 59 58 69 75 77 74 65 62 61 60 67 72 73 69 Dewpt 61 62 63 63 62 60 59 58 62 62 62 63 61 60 58 58 62 62 62 62 RH 81 64 62 66 90 93100100 78 64 60 69 87 93 90 93 84 71 68 78 Wind dir N E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE E Wind spd 4 5 5 5 4 4 4 3 5 5 5 5 5 5 4 4 5 5 6 5 Clouds FW FW SC FW SC SC B1 B2 SC B1 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 PoP 12hr 5 10 20 10 40 QPF 12hr 0 0 0.03 0 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S Tstms S S S C C S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 71 55 72 55 77 55 67 Temp 61 59 66 67 59 57 69 69 58 57 72 73 61 57 64 62 Dewpt 61 58 60 59 56 54 58 59 56 55 60 61 58 55 53 50 PWind dir SE SE SE SE S SW W NW Wind char LT GN LT LT LT LT GN GN Avg clouds B2 OV B2 B2 B2 B1 B1 B1 SC SC SC SC SC B1 B2 B1 PoP 12hr 30 30 30 20 20 20 40 20 Rain shwrs S C C S S C S S S S C C S Tstms S S S S S S S S $$ IAZ035-282100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 58 80 59 77 Temp 69 77 80 77 66 62 60 58 69 77 79 76 67 63 61 60 68 74 74 71 Dewpt 62 63 63 64 63 61 60 58 62 62 63 63 63 61 60 59 62 62 62 62 RH 78 62 56 64 90 97100100 78 60 58 64 87 93 97 96 81 66 66 73 Wind dir SW E E E E E SE SE SE SE SE E SE SE SE SE SE SE SE E Wind spd 3 2 3 3 4 4 3 2 4 4 5 5 4 3 3 4 5 5 6 5 Clouds FW FW FW FW SC FW SC B2 B1 B1 B1 B1 B2 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 10 5 10 10 30 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 73 57 75 56 79 56 71 Temp 62 60 70 69 60 57 71 71 60 57 74 74 62 58 68 65 Dewpt 61 59 59 59 56 55 58 58 56 55 58 60 58 56 54 51 PWind dir SE SE SE SE SE S SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC FW SC B1 B1 B1 PoP 12hr 30 30 30 20 20 10 30 20 Rain shwrs S C C S S C S S S S C S Tstms S S S S S S S S C S $$ IAZ094-282100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 59 82 60 82 Temp 69 78 81 78 68 63 60 59 73 80 81 78 68 65 62 61 72 79 80 76 Dewpt 58 59 59 60 59 58 58 58 61 58 58 60 59 59 58 58 60 58 57 58 RH 68 52 47 54 73 84 93 96 66 47 46 54 73 81 87 90 66 49 45 54 Wind dir NE SE SE SE SE SE NW NW S S SE E E SE SE SE SE SE SE E Wind spd 4 4 4 2 2 3 2 2 2 4 4 3 3 3 3 3 4 5 5 5 Clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC B1 SC B1 B2 B2 PoP 12hr 5 0 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 77 59 76 58 80 58 76 Temp 67 62 73 71 63 60 73 72 63 60 76 75 63 60 73 69 Dewpt 58 57 56 57 57 55 57 56 56 55 56 57 59 57 57 55 PWind dir E SE SE SE NE N W NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC FW FW SC SC SC PoP 12hr 20 30 20 20 20 10 10 20 Rain shwrs S C S S S S S S Tstms S S S S S S $$ IAZ017-282100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 56 75 57 74 Temp 68 76 78 74 63 59 57 57 67 74 75 72 63 61 60 59 65 72 72 69 Dewpt 62 63 62 63 61 58 57 56 62 64 63 63 61 59 58 57 61 62 62 62 RH 81 64 58 69 93 96100 96 84 71 66 73 93 93 93 93 87 71 71 78 Wind dir N E E NE E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 5 4 3 3 3 3 3 3 5 4 4 3 3 3 3 3 4 5 5 4 Clouds FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 PoP 12hr 5 5 20 10 30 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C Tstms S S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 71 54 72 54 75 55 67 Temp 61 59 68 67 58 55 70 69 58 56 71 71 60 57 64 61 Dewpt 58 57 59 58 55 54 58 58 54 53 59 60 56 55 55 50 PWind dir SE SE SE SE SE S SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 PoP 12hr 20 20 20 20 20 20 30 30 Rain shwrs S S S S S S S S S C C S Tstms S S S S S S $$ IAZ049-282100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 58 77 57 75 Temp 68 78 80 76 67 63 59 58 67 74 77 74 65 62 60 58 67 72 74 70 Dewpt 61 60 61 63 62 60 59 58 61 62 62 62 61 59 58 56 60 60 61 61 RH 78 54 52 64 84 90100100 81 66 60 66 87 90 93 93 78 66 64 73 Wind dir NW NW NW NE E E E E SE SE E E E SE SE SE SE SE SE E Wind spd 5 3 3 3 4 4 4 4 5 4 4 4 4 3 3 4 5 5 5 4 Clouds SC FW FW FW SC FW SC SC B1 B1 SC SC SC B1 B1 B1 B1 B2 B2 B2 PoP 12hr 5 5 5 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 73 55 75 55 76 56 72 Temp 62 58 69 68 59 57 72 70 60 56 73 72 61 58 69 65 Dewpt 58 56 57 57 55 53 57 57 54 54 57 58 56 55 56 52 PWind dir E SE E SE E SE SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC B1 B1 PoP 12hr 20 20 20 20 20 10 30 30 Rain shwrs S S S S S C C S Tstms S C S $$ IAZ086-282100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 930 AM CDT Thu Aug 28 2025 Date Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 59 81 58 80 Temp 71 80 83 80 68 64 61 59 70 78 80 77 68 64 61 60 70 76 78 75 Dewpt 59 58 57 61 60 60 59 58 62 61 61 62 61 60 58 57 58 58 59 59 RH 66 47 41 52 76 87 93 96 76 56 52 60 78 87 90 90 66 54 52 58 Wind dir W W W NE NE E E E SE E E E E E E E SE E E E Wind spd 5 3 4 4 3 4 4 4 4 4 5 5 5 4 4 4 5 5 6 5 Clouds CL CL CL FW FW FW FW SC B1 SC B1 SC SC SC SC SC SC B1 B1 B1 PoP 12hr 0 0 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 78 58 79 57 79 58 77 Temp 65 61 74 72 63 58 74 74 62 58 76 75 63 60 73 70 Dewpt 58 55 54 56 55 54 55 55 56 55 56 58 56 56 57 55 PWind dir E SE E SE E NE S NW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC FW SC B1 SC PoP 12hr 20 10 20 20 20 10 20 30 Rain shwrs S S S S S S C Tstms S S S $$