Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
646 FOUS53 KDMX 201407 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 806 AM CST Thu Nov 20 2025 IAZ060-202200- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 51 40 50 33 56 Temp 44 48 51 48 45 43 42 41 42 48 50 48 43 39 35 34 41 53 56 51 Dewpt 42 44 44 44 43 41 41 39 39 37 35 33 33 33 31 30 32 34 36 37 RH 93 86 77 86 93 93 96 92 89 65 56 56 67 79 85 85 70 48 47 59 Wind dir SW W N N NE NE NE NE NE NE NE N NE N N SW SW SW SW SW Wind spd 4 5 4 4 4 5 6 8 9 9 8 5 4 3 3 3 5 6 8 5 Clouds B2 B1 B2 B2 OV B2 B2 B2 B2 OV OV OV B2 B1 SC SC FW FW FW FW PoP 12hr 0 20 20 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S Obvis PF+ Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 60 39 53 42 53 31 40 Temp 44 39 57 53 44 40 51 51 46 43 51 47 38 31 38 36 Dewpt 40 38 43 42 40 39 44 45 45 43 44 37 29 24 22 22 PWind dir SW W SE SE NE NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 0 5 10 40 40 20 10 10 Rain C C C C S $$ IAZ039-202200- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 48 35 50 29 53 Temp 44 47 48 44 41 40 37 35 39 48 49 44 37 33 31 29 38 50 53 47 Dewpt 42 43 43 42 41 39 36 34 35 32 31 30 29 29 27 26 30 31 33 34 RH 93 86 83 93100 96 96 96 85 54 50 57 72 85 85 88 73 48 46 60 Wind dir SW W W NW NW N N N NE NE N N N N E SE S SW SW SW Wind spd 5 6 6 5 3 4 5 5 5 8 8 5 4 3 2 3 5 10 10 8 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC FW SC SC FW PoP 12hr 0 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 36 57 34 53 40 51 28 38 Temp 41 36 54 48 38 34 51 48 43 40 49 45 36 29 36 33 Dewpt 38 36 40 38 36 34 40 41 42 40 42 37 29 23 21 20 PWind dir SW W E SE SE W NW W Wind char LT LT LT GN LT GN GN GN Avg clouds FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 30 40 30 10 10 Rain C C C C S $$ IAZ048-202200- Ames-Story IA 41.99N 93.62W Elev. 936 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 48 38 51 31 56 Temp 42 47 48 45 42 40 39 38 42 49 50 45 39 36 33 31 40 52 56 50 Dewpt 41 43 44 43 42 40 39 37 37 35 33 33 33 31 31 29 33 35 38 38 RH 96 86 86 93100100100 96 82 58 52 62 79 82 92 92 76 52 51 63 Wind dir SW W NW N NE N NE NE NE NE NE N N NE NE S S SW SW SW Wind spd 4 5 6 4 3 3 6 6 6 8 8 5 3 2 2 2 4 8 9 6 Clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B1 SC SC SC FW FW FW FW PoP 12hr 0 10 10 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 59 36 52 41 52 28 38 Temp 42 38 56 51 41 37 51 49 45 42 50 46 36 29 37 34 Dewpt 40 37 43 42 40 37 44 45 44 42 44 37 29 23 23 22 PWind dir SW W SE SE E NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW SC B1 B1 B2 B2 B2 B2 B1 B1 SC SC B1 PoP 12hr 0 5 10 40 40 20 10 10 Rain C C C C S S $$ IAZ004-202200- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 46 30 48 29 56 Temp 41 45 46 42 38 35 33 31 36 45 47 40 34 33 32 30 39 51 55 49 Dewpt 39 40 40 38 36 33 31 29 31 32 30 30 28 27 26 27 32 38 40 39 RH 92 82 79 86 92 92 92 92 82 60 51 67 78 78 78 88 76 61 57 68 Wind dir NW NW NW NW N N N N N NE NE N SW SW SW SW SW SW SW SW Wind spd 8 9 8 5 4 4 4 4 4 5 5 4 4 5 5 8 10 13 13 9 Clouds OV OV B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Wind chill 26 22 32 Min chill 33 38 31 25 25 37 28 22 24 Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 35 55 32 51 37 47 24 35 Temp 40 35 51 46 37 33 49 46 41 38 46 39 31 25 33 30 Dewpt 36 33 38 36 33 33 40 41 39 37 37 28 21 18 19 17 PWind dir W NW SE S S NW NW NW Wind char GN LT LT GN LT GN GN BZ Avg clouds FW FW FW FW SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 30 30 20 5 10 Rain C C S S S $$ IAZ035-202200- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 48 35 50 29 57 Temp 41 46 48 44 42 39 37 36 41 48 49 44 36 34 31 30 39 53 57 51 Dewpt 39 42 43 42 40 38 35 33 34 32 31 30 31 29 28 28 32 36 39 38 RH 92 86 83 93 93 96 92 89 76 54 50 57 82 82 88 92 76 52 51 61 Wind dir W NW N N N N NE NE NE NE NE N NE NE S S S SW SW SW Wind spd 5 6 5 4 3 4 5 5 5 6 6 4 3 2 2 3 5 10 10 6 Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC FW SC FW FW FW PoP 12hr 0 0 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 36 57 35 52 39 51 26 37 Temp 42 36 54 48 40 36 50 47 43 39 50 42 33 27 36 32 Dewpt 39 35 40 38 37 36 42 43 42 39 41 32 25 21 21 20 PWind dir SW W SE SE E NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 B1 SC B1 B1 PoP 12hr 0 0 5 40 30 20 5 10 Rain S C C C S S $$ IAZ094-202200- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 56 43 49 34 56 Temp 47 53 56 51 49 47 46 44 44 47 48 46 43 42 37 35 41 53 56 50 Dewpt 45 46 47 46 45 45 44 43 42 41 40 38 38 37 34 33 35 36 37 38 RH 93 77 72 83 86 93 93 96 93 79 74 73 82 82 89 92 79 52 49 63 Wind dir SW NW N NE NE NE NE NE NE NE NE NE NE NE NE N SW SW SW SW Wind spd 3 3 3 4 5 6 10 11 12 11 10 6 5 5 4 4 4 5 5 4 Clouds B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW FW PoP 12hr 5 50 60 20 0 QPF 12hr 0 0.03 0.32 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain S L L L L S S Obvis PF+ PF PF PF Wind chill 38 38 Min chill 38 36 37 31 32 Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 59 42 53 42 52 31 40 Temp 43 39 57 53 45 42 52 50 46 43 52 47 38 31 38 35 Dewpt 40 39 43 43 43 42 47 46 46 43 46 38 29 24 23 23 PWind dir SW SW SE E NE NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 0 5 20 50 50 20 10 10 Rain S C C C C S $$ IAZ017-202200- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 47 31 47 28 53 Temp 41 45 46 42 38 36 33 32 36 45 47 41 33 32 30 29 38 49 53 47 Dewpt 40 42 42 40 37 35 33 30 32 31 30 30 28 27 26 26 30 33 37 37 RH 96 89 86 93 96 96100 92 85 58 51 65 82 81 85 88 73 54 54 68 Wind dir W NW NW NW NW N N N NE N N N N SW S S S SW SW SW Wind spd 6 6 8 4 4 3 3 3 4 5 5 3 2 2 2 4 6 10 10 6 Clouds B2 B2 B2 OV B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 54 31 52 37 49 25 35 Temp 40 35 51 45 37 32 49 46 42 38 47 42 33 26 33 30 Dewpt 37 34 39 37 34 32 39 41 40 38 40 32 25 21 21 19 PWind dir W NW SE SE SE W NW NW Wind char LT LT LT LT LT GN GN BZ Avg clouds FW FW FW FW SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 30 40 30 10 10 Rain C C C C C $$ IAZ049-202200- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 50 37 50 29 54 Temp 43 47 50 45 42 41 39 37 40 48 49 44 38 35 31 30 38 50 54 48 Dewpt 41 43 44 43 41 40 37 36 36 35 32 32 31 30 28 27 31 33 34 36 RH 93 86 80 93 96 96 92 96 85 60 52 62 76 82 88 88 76 52 46 63 Wind dir SW W NW N N N NE NE NE NE NE N N N NE S S SW SW SW Wind spd 5 5 5 4 3 4 6 6 6 8 6 5 4 3 3 3 5 9 9 6 Clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 SC SC SC FW FW FW FW PoP 12hr 0 5 10 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Wind chill 31 Min chill 38 36 30 30 39 31 24 27 Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 36 57 35 52 40 51 28 38 Temp 41 36 54 48 39 35 51 48 43 41 50 45 35 28 37 33 Dewpt 38 36 41 41 37 35 42 43 43 41 43 38 29 23 22 21 PWind dir SW W SE SE E NW NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 SC B1 B1 PoP 12hr 0 5 5 30 50 20 10 10 Rain S C C C S S $$ IAZ086-202200- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 806 AM CST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 53 42 50 31 56 Temp 47 51 53 50 47 45 43 42 44 48 49 48 44 40 36 32 40 52 56 50 Dewpt 45 47 47 46 45 44 43 41 41 40 38 36 35 33 32 31 33 33 33 35 RH 93 86 80 86 93 96100 96 89 74 66 63 70 76 85 96 76 48 42 56 Wind dir S W NW N N NE NE NE NE NE NE NE NE NE N NE SE SW SW SW Wind spd 5 4 3 3 4 5 8 9 11 10 9 6 5 5 4 3 4 5 6 5 Clouds B2 B2 B2 B2 OV OV OV B2 B2 OV OV OV OV B2 SC SC FW FW FW FW PoP 12hr 5 30 40 20 0 QPF 12hr 0 0 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C S S Obvis PF Wind chill 38 Min chill 35 35 35 27 30 Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 60 39 54 43 54 31 41 Temp 43 39 57 53 44 39 52 51 47 43 52 50 39 31 39 37 Dewpt 38 38 42 42 41 39 44 45 45 43 46 41 31 26 23 23 PWind dir SW W S SE E W NW NW Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 0 5 10 40 50 30 10 10 Rain C C C C C $$