Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
507 FOUS53 KDMX 181243 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 643 AM CST Tue Nov 18 2025 IAZ060-182200- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 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 40 52 41 58 Temp 45 47 46 44 42 41 41 40 42 48 52 49 45 43 42 42 47 56 58 52 Dewpt 40 41 40 39 39 39 40 40 40 41 41 41 41 41 41 40 42 44 44 43 RH 82 79 79 82 89 92 96100 93 77 66 74 86 93 96 93 83 64 59 71 Wind dir NE N N N NE NE NE E SE SW S SE S S S SW W NW NW N Wind spd 6 9 10 6 5 4 4 3 2 3 3 4 4 4 4 4 5 5 6 5 Clouds OV OV OV OV OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC B1 B1 SC PoP 12hr 10 5 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 49 32 55 35 56 38 55 Temp 42 35 46 45 36 33 51 49 41 36 53 50 42 38 52 49 Dewpt 38 33 33 31 30 28 34 37 37 35 39 39 37 36 38 38 PWind dir N NE N SW W W SW SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW FW SC SC PoP 12hr 10 30 30 5 0 0 5 10 Rain S C C $$ IAZ039-182200- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 42 36 47 37 55 Temp 41 42 42 41 39 38 38 37 39 44 47 44 41 40 39 38 44 53 54 48 Dewpt 38 38 38 38 38 37 37 36 38 39 39 40 40 39 38 38 42 43 42 40 RH 89 86 86 89 96 96 96 96 96 82 74 86 96 96 96100 93 69 64 74 Wind dir E NE NE NE NE NE E E SE S S SE S S S S SW W NW NW Wind spd 9 11 11 9 6 6 4 4 4 5 5 4 4 4 5 5 5 9 10 8 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC SC B1 B1 SC PoP 12hr 20 5 0 5 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Wind chill 35 35 36 35 Min chill 32 33 34 32 31 31 35 34 35 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 29 48 28 51 31 54 35 52 Temp 37 30 45 41 32 28 48 45 37 32 51 47 40 35 49 46 Dewpt 35 29 30 29 28 27 31 35 35 32 37 37 35 33 34 34 PWind dir N N N SW W W SW SW Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC PoP 12hr 5 10 20 10 5 0 5 10 Rain S $$ IAZ048-182200- Ames-Story IA 41.99N 93.62W Elev. 936 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 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 45 39 51 38 56 Temp 42 44 44 42 40 40 39 39 41 47 50 46 42 41 40 39 45 54 56 50 Dewpt 39 40 40 38 38 39 39 39 40 41 42 42 41 41 40 39 43 44 44 42 RH 89 86 86 86 92 96100100 96 79 74 86 96100100100 93 69 64 74 Wind dir NE NE N NE NE NE NE E SE S S SE S S S SW W NW NW N Wind spd 6 9 10 6 5 4 3 3 2 4 4 4 4 4 3 3 5 6 8 6 Clouds OV OV OV OV OV OV OV OV OV OV B2 SC SC B1 SC SC SC SC SC B1 PoP 12hr 20 5 0 10 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Wind chill 38 Min chill 31 33 36 33 36 36 37 34 37 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 32 49 30 53 33 55 36 54 Temp 38 32 46 43 34 31 50 47 39 34 52 49 40 36 51 47 Dewpt 36 31 32 32 30 28 34 37 37 34 39 40 37 34 37 37 PWind dir N N NE SW W W SW SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW FW SC SC PoP 12hr 5 20 20 5 0 0 5 10 Rain S S $$ IAZ004-182200- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 39 35 49 36 49 Temp 37 38 39 37 36 36 35 35 39 44 48 44 41 40 38 38 41 47 49 42 Dewpt 36 36 37 36 36 35 35 35 38 39 41 40 39 38 38 36 39 40 37 35 RH 96 92 92 96100 96100100 96 82 77 86 92 92100 92 92 76 63 76 Wind dir NE NE NE NE NE E SE S S S S S S S SW W NW NW NW NW Wind spd 10 11 10 8 5 3 3 4 5 9 9 8 8 8 8 6 9 11 10 8 Clouds OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 50 0 0 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Wind chill 30 30 32 32 35 Min chill 27 28 30 29 31 30 39 34 31 31 37 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 26 45 28 50 30 52 33 49 Temp 33 27 42 39 33 29 47 44 36 31 49 46 37 33 46 43 Dewpt 29 25 30 28 27 27 36 36 33 30 36 35 32 30 33 32 PWind dir NW NW SW SW W SW SW S Wind char LT LT LT GN LT GN LT GN Avg clouds SC SC SC FW SC SC SC SC SC FW FW FW SC FW SC SC PoP 12hr 0 5 5 5 0 0 5 5 $$ IAZ035-182200- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 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 42 36 50 37 53 Temp 40 42 42 40 38 38 37 37 40 46 49 45 41 40 39 39 43 51 53 46 Dewpt 38 39 38 37 37 37 37 37 39 40 41 40 40 40 39 39 42 43 41 38 RH 92 89 86 89 96 96100100 96 79 74 82 96100100100 96 74 64 73 Wind dir NE NE NE NE NE NE E SE SE S S S S S S SW NW NW N N Wind spd 8 10 10 6 4 3 3 3 3 5 5 5 5 5 5 4 5 8 9 5 Clouds OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC B1 SC PoP 12hr 30 0 0 5 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Wind chill 36 36 Min chill 33 33 34 32 33 33 36 34 35 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 28 48 29 53 31 54 34 52 Temp 35 29 45 41 33 30 50 47 37 32 51 48 38 34 49 46 Dewpt 34 29 30 29 28 27 35 37 35 32 38 37 35 32 36 34 PWind dir N N SW SW W SW SW S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC FW FW FW FW FW SC SC PoP 12hr 5 10 20 5 0 0 5 10 Rain S $$ IAZ094-182200- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 55 39 54 43 60 Temp 48 53 53 46 42 41 40 40 43 50 54 50 46 46 45 44 48 58 60 53 Dewpt 43 44 43 41 40 40 40 39 40 41 41 41 42 43 44 43 44 46 45 44 RH 83 71 69 83 93 96100 96 89 71 61 71 86 89 96 96 86 64 58 71 Wind dir N N N N N N N NE E W SW SE SE S S S NW NW N N Wind spd 5 9 10 6 5 4 4 3 2 2 3 2 3 4 4 4 4 5 5 5 Clouds B2 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B1 SC SC B1 B1 B1 PoP 12hr 5 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 49 32 54 35 56 38 56 Temp 44 38 46 45 37 33 51 48 41 36 53 50 42 38 54 49 Dewpt 42 37 35 33 32 30 35 37 39 36 40 40 40 38 41 39 PWind dir NE NE N SW W SW S SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B1 SC SC SC SC FW FW FW FW SC SC B1 PoP 12hr 30 50 30 5 0 0 5 20 Rain C C C C S $$ IAZ017-182200- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 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 39 34 46 35 50 Temp 38 38 39 38 37 35 34 34 38 43 46 43 39 38 37 37 42 48 49 43 Dewpt 36 37 37 36 36 34 34 34 37 39 40 39 39 38 37 37 41 42 40 37 RH 92 96 92 92 96 96100100 96 86 79 86100100100100 96 80 71 79 Wind dir NE NE NE NE NE E E SE SE S S S S S S SW W NW NW NW Wind spd 9 10 9 6 4 3 3 4 4 5 5 4 5 5 5 5 6 9 10 5 Clouds OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC B1 SC SC B1 SC SC PoP 12hr 40 5 0 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Wind chill 32 32 33 Min chill 33 30 31 30 30 29 38 33 32 32 37 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 26 45 26 49 30 51 32 48 Temp 33 27 43 38 31 27 46 43 36 31 48 45 38 32 46 42 Dewpt 31 26 30 29 27 26 33 35 33 30 37 35 33 31 34 32 PWind dir NW N W SW W W SW SW Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 5 10 10 0 0 5 5 $$ IAZ049-182200- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 44 38 49 37 56 Temp 41 43 43 41 39 39 39 38 42 45 48 45 41 40 39 39 44 54 55 48 Dewpt 39 40 39 39 38 38 38 38 39 40 41 41 40 40 39 39 42 44 43 41 RH 92 89 86 92 96 96 96100 89 82 77 86 96100100100 93 69 64 77 Wind dir NE NE NE NE NE NE E E SE S S SE S S S S W NW NW NW Wind spd 9 10 10 8 6 5 4 4 3 3 3 3 4 4 4 4 5 6 8 5 Clouds OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC B1 SC B1 PoP 12hr 20 5 0 10 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Wind chill 35 37 37 Min chill 29 31 35 32 33 32 36 34 35 Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 30 48 28 52 32 54 35 53 Temp 38 31 45 41 33 29 49 46 38 33 51 47 39 35 50 46 Dewpt 36 30 31 29 28 27 34 36 36 33 39 38 36 33 36 36 PWind dir N N N SW W W SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW SC SC PoP 12hr 5 20 20 10 0 0 5 10 Rain S S $$ IAZ086-182200- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 643 AM CST Tue Nov 18 2025 Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 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 40 53 41 60 Temp 47 49 47 44 42 41 40 40 42 48 52 49 45 43 43 42 48 58 59 53 Dewpt 42 44 43 42 40 40 40 40 41 41 42 42 42 42 42 42 45 46 45 45 RH 83 83 86 93 93 96100100 96 77 69 77 89 96 96100 89 64 60 74 Wind dir E NE N N N NE NE E E S SW SE SE S S S SW W NW N Wind spd 6 9 10 9 6 6 6 5 3 2 2 2 3 4 4 4 5 5 5 5 Clouds B2 B2 OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 10 5 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S Date Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 49 31 54 35 57 38 56 Temp 43 36 46 45 36 31 51 48 41 36 54 51 42 38 53 50 Dewpt 40 35 34 32 31 28 33 34 36 36 39 39 38 36 39 38 PWind dir N NE N SW SW W SW S Wind char LT GN LT LT LT LT LT GN Avg clouds B1 B1 B1 B1 B1 SC SC SC SC FW FW FW FW FW SC B1 PoP 12hr 20 30 30 10 0 0 5 10 Rain S C C C S $$