Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
380 FOUS53 KDMX 051446 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 945 AM CDT Fri Sep 5 2025 IAZ060-052100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 67 45 69 43 72 Temp 59 64 66 64 56 50 48 46 59 66 68 65 56 51 47 44 59 68 72 68 Dewpt 46 44 43 42 43 43 41 41 43 41 41 41 43 44 43 41 45 42 42 43 RH 62 48 43 45 62 77 77 83 55 40 37 41 62 77 86 89 60 39 34 40 Wind dir NW NW NW NW W W W W NW NW NW NW N N NW NW N N N NE Wind spd 12 14 12 9 5 4 4 4 6 11 11 8 4 2 2 2 3 5 4 4 Wind gust 25 Clouds SC SC SC SC FW FW FW FW CL FW FW FW FW CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 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 51 81 61 81 62 86 61 82 Temp 53 52 75 77 66 63 76 77 67 63 80 79 66 62 77 76 Dewpt 44 42 49 51 55 54 59 60 60 59 63 62 62 60 60 59 PWind dir SE S S S S SE E SE Wind char LT GN GN GN LT LT LT GN Avg clouds CL FW SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 0 10 40 30 20 5 10 10 Rain shwrs S C C S S Tstms S C S S $$ IAZ039-052100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 42 63 41 68 Temp 56 58 61 58 51 47 45 43 56 61 61 59 51 47 43 42 56 64 66 63 Dewpt 45 44 43 43 44 42 41 40 44 42 43 44 43 43 41 40 46 45 45 46 RH 66 59 51 57 77 83 86 89 64 49 51 57 74 86 93 93 69 50 47 54 Wind dir NW NW W W W W W W W NW NW NW NW NW NW NW NW NW NW NW Wind spd 16 17 16 10 5 4 4 4 8 12 12 8 4 3 4 4 5 6 5 2 Wind gust 27 Clouds B1 B1 B1 SC SC FW FW FW FW SC SC FW FW CL CL CL CL CL FW CL PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 76 57 77 58 78 55 75 Temp 49 47 70 70 62 58 72 71 62 60 74 73 61 57 71 70 Dewpt 44 42 50 52 50 52 58 60 58 57 63 62 59 55 58 57 PWind dir SE S S S S E E E Wind char LT GN GN GN LT LT LT GN Avg clouds CL FW SC SC SC B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 0 10 40 30 20 5 10 10 Rain shwrs C C S S S Tstms S S S S $$ IAZ048-052100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 65 43 66 41 72 Temp 57 61 64 61 53 48 46 44 57 64 65 62 52 47 44 42 58 67 70 65 Dewpt 46 44 44 44 44 42 41 40 44 42 42 44 44 43 41 40 46 44 44 46 RH 67 53 48 53 71 80 83 86 62 45 43 52 74 86 89 93 64 43 39 50 Wind dir W NW NW W NW W W W NW NW NW NW N N NW NW N NW NW NE Wind spd 17 16 12 6 4 3 3 4 8 12 11 6 3 2 2 2 3 5 4 3 Wind gust 27 Clouds B1 SC SC SC FW FW FW FW CL FW SC FW CL CL CL CL CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 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 48 81 59 81 60 84 59 80 Temp 51 49 74 74 64 61 75 75 65 61 77 76 64 60 75 74 Dewpt 45 42 50 53 55 55 60 62 61 59 64 63 61 59 61 60 PWind dir SE S S S S E E SE Wind char LT GN GN GN LT LT LT GN Avg clouds CL SC SC SC B1 B2 B1 SC SC SC SC SC SC B1 SC SC PoP 12hr 0 10 40 30 20 5 20 10 Rain shwrs S C C S S S Tstms S C S S S $$ IAZ004-052100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 60 40 62 39 67 Temp 51 57 59 57 48 44 43 42 54 59 60 58 48 43 42 40 56 62 66 63 Dewpt 40 41 42 41 41 40 38 38 42 41 41 43 41 40 39 38 44 44 45 48 RH 66 55 53 55 77 86 82 86 64 51 49 57 77 89 89 92 64 52 47 58 Wind dir NW NW NW NW W W W W NW NW NW NW N NW NW NW NW NW SW SE Wind spd 12 16 13 10 5 5 6 8 9 12 11 8 4 3 4 4 3 4 4 3 Clouds B1 B1 B2 B1 SC FW FW FW FW SC SC FW FW CL FW CL CL FW CL CL PoP 12hr 20 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 77 59 78 57 76 54 75 Temp 49 50 70 72 62 60 73 73 61 59 72 71 60 57 70 71 Dewpt 43 42 54 58 57 56 62 63 59 57 62 62 57 55 60 61 PWind dir S S S S SW NE E SE Wind char LT BZ GN GN LT GN GN GN Avg clouds FW SC SC SC B1 B1 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 0 20 50 20 20 5 20 20 Rain shwrs S C C S S S S Tstms S S C S S S $$ IAZ035-052100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 63 41 65 39 70 Temp 54 59 62 59 50 46 43 42 56 61 63 60 50 45 42 40 56 65 68 65 Dewpt 45 43 43 43 42 41 40 39 44 42 42 44 43 42 40 38 45 46 46 48 RH 71 55 50 55 74 83 89 89 64 49 46 55 77 89 93 92 66 50 45 54 Wind dir NW NW NW NW W W W W NW NW NW N N NW NW NW N NW NW E Wind spd 10 13 13 8 5 4 5 5 8 11 11 5 3 2 2 2 3 4 3 2 Wind gust 20 Clouds B1 B1 B1 B1 SC FW SC FW FW SC SC FW FW CL CL CL CL CL CL CL PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 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 48 79 59 80 59 81 57 78 Temp 49 50 72 73 63 60 75 74 63 60 76 74 62 59 73 73 Dewpt 43 42 53 56 56 56 61 63 61 59 65 63 59 57 61 60 PWind dir SE S S S S E E SE Wind char LT GN GN GN LT LT LT GN Avg clouds CL SC B1 SC B1 B2 B1 SC SC SC SC SC SC B1 SC SC PoP 12hr 0 20 50 20 20 5 20 10 Rain shwrs S C C S S S Tstms S S C S S S $$ IAZ094-052100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 45 70 43 73 Temp 60 66 67 64 55 51 47 45 61 68 70 65 55 50 47 44 61 69 72 67 Dewpt 45 44 43 44 44 43 42 41 45 42 42 44 43 43 42 41 45 41 42 45 RH 58 45 42 48 66 74 83 86 56 39 36 46 64 77 83 89 56 36 34 45 Wind dir NW NW NW NW W W W W NW NW NW NW N N N N NE N N E Wind spd 13 14 12 8 4 4 4 3 5 10 10 5 3 2 2 2 2 3 2 2 Clouds SC SC SC FW CL CL FW FW CL FW CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 79 59 80 61 85 61 84 Temp 54 51 74 74 64 60 73 76 66 62 79 78 66 61 78 78 Dewpt 43 42 48 52 55 54 57 59 59 58 60 61 62 60 61 61 PWind dir SE S S S S S E SE Wind char LT GN GN GN LT LT LT LT Avg clouds CL FW SC SC SC B1 B1 SC SC SC SC FW FW SC SC SC PoP 12hr 0 10 30 30 10 5 10 10 Rain shwrs C C Tstms S $$ IAZ017-052100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 60 41 62 39 67 Temp 50 57 58 56 49 45 42 42 54 59 60 57 48 44 42 40 55 63 65 62 Dewpt 43 43 42 43 43 41 39 38 43 42 42 44 42 40 39 38 45 45 44 45 RH 77 59 55 62 80 86 89 86 66 53 51 62 80 86 89 92 69 52 46 54 Wind dir NW NW NW NW W W W W W NW NW NW NW NW NW NW NW NW NW W Wind spd 14 17 13 9 5 5 5 5 8 11 11 6 3 3 3 3 4 5 4 2 Wind gust 26 Clouds B1 B1 B1 B1 SC FW FW FW SC SC SC FW CL CL CL CL CL FW FW CL PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 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 45 75 56 76 57 77 53 73 Temp 47 48 69 69 61 59 72 70 61 59 73 71 59 56 69 69 Dewpt 42 41 52 55 55 54 60 62 59 57 63 61 56 54 59 58 PWind dir S S S S S NE E SE Wind char LT GN GN GN LT LT LT GN Avg clouds CL SC SC SC B1 B2 B1 SC SC SC B1 SC SC SC SC SC PoP 12hr 0 20 50 30 20 5 10 10 Rain shwrs S C C C S S Tstms S C S S S S $$ IAZ049-052100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 41 64 40 69 Temp 56 59 62 58 51 47 44 43 57 62 63 60 51 46 43 41 56 65 68 63 Dewpt 45 44 43 44 43 43 41 40 44 42 42 44 43 42 40 38 45 45 44 46 RH 66 57 50 59 74 86 89 89 62 48 46 55 74 86 89 89 66 48 42 54 Wind dir W NW NW NW W W W W W NW NW NW NW NW NW NW N NW NW N Wind spd 16 17 13 8 4 3 4 4 8 12 12 5 3 2 3 3 4 5 4 2 Wind gust 27 Clouds B1 B1 SC SC SC FW FW FW FW SC SC FW FW CL CL CL CL CL CL CL PoP 12hr 0 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 78 57 78 58 81 56 77 Temp 49 47 71 71 62 59 72 72 63 60 76 74 62 58 73 71 Dewpt 44 41 49 53 51 52 59 60 58 57 64 63 59 56 59 59 PWind dir SE S S S S E E E Wind char LT GN GN GN LT LT LT GN Avg clouds CL FW SC SC SC B2 B1 SC SC SC SC SC SC SC SC FW PoP 12hr 0 10 40 30 20 5 10 10 Rain shwrs C C S S Tstms S S S S $$ IAZ086-052100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 945 AM CDT Fri Sep 5 2025 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 67 44 69 42 72 Temp 61 65 66 63 54 50 47 45 59 67 68 64 53 49 46 44 59 67 70 66 Dewpt 45 45 44 44 45 43 42 41 45 42 42 44 44 44 43 41 46 43 42 45 RH 56 48 45 50 71 77 83 86 60 40 39 48 71 83 89 89 62 42 36 47 Wind dir W NW NW NW W W W W W NW NW NW N NW NW NW N N NW N Wind spd 14 16 13 8 4 4 5 4 6 12 12 8 4 2 3 3 4 5 4 3 Clouds FW SC FW SC FW FW FW SC FW FW FW CL FW CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 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 47 81 58 82 61 86 60 82 Temp 51 49 74 75 62 60 75 76 65 62 80 79 66 61 77 76 Dewpt 45 42 46 49 49 50 56 57 57 56 62 62 62 60 60 59 PWind dir SE S S S S SW E E Wind char LT GN GN GN LT LT LT LT Avg clouds CL FW SC SC SC B1 B1 SC SC SC SC FW SC SC SC FW PoP 12hr 0 5 30 30 20 10 10 10 Rain shwrs C C S S Tstms S $$