Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
532 FOUS53 KDMX 170917 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 317 AM CST Mon Nov 17 2025 IAZ060-172200- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 41 50 40 55 Temp 38 43 49 52 50 47 45 44 42 43 47 47 44 43 42 41 40 43 50 53 50 Dewpt 24 23 23 23 27 31 37 39 39 39 39 39 38 40 40 39 39 40 41 41 41 RH 57 45 36 32 41 53 73 82 89 86 74 74 79 89 93 92 96 89 71 64 71 Wind dir E SE SE SE SE SE E E E E NE NE NE NE NE E E SE S S SE Wind spd 6 11 13 14 13 12 11 10 9 9 9 9 6 5 3 3 3 3 4 4 5 Wind gust 26 24 Clouds SC B1 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 SC SC PoP 12hr 30 60 10 0 0 QPF 12hr 0 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C L C Tstms S S S Wind chill 37 39 38 37 Min chill 32 33 38 36 35 38 36 37 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 42 58 44 52 36 50 36 55 Temp 44 43 57 54 46 40 45 45 39 35 47 45 39 35 51 48 Dewpt 41 42 48 46 42 37 36 35 35 33 35 35 35 32 38 38 PWind dir SE E NE N N W SW SW Wind char LT LT GN GN LT LT LT GN Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW SC FW PoP 12hr 30 30 30 40 30 5 5 5 Rain C C C C C C C C S $$ IAZ039-172200- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 35 44 36 50 Temp 36 39 44 47 42 39 38 37 37 38 42 43 40 39 38 37 36 39 45 48 44 Dewpt 24 23 23 22 24 29 34 35 35 36 36 36 36 38 38 36 36 38 38 39 39 RH 61 52 43 37 48 67 85 92 92 92 79 76 85 96100 96100 96 76 71 82 Wind dir E SE SE SE E E E E E E E E E E E E E SE S S SE Wind spd 3 9 11 12 13 13 13 12 12 12 12 11 8 5 4 4 3 4 5 5 4 Clouds B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2 OV OV OV OV B2 B2 B2 B1 PoP 12hr 40 80 50 5 0 QPF 12hr 0 0.32 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain L D D L C C Wind chill 33 38 35 31 29 28 29 30 35 36 34 Min chill 31 31 35 29 28 28 32 31 32 32 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 55 40 50 32 48 33 52 Temp 39 38 53 50 41 34 44 41 34 31 46 43 37 32 49 45 Dewpt 38 38 45 44 38 34 33 33 31 30 34 35 34 31 35 35 PWind dir SE SE NE N N W SW SW Wind char LT GN GN GN LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW PoP 12hr 20 30 20 30 30 10 5 5 Rain S C C S S S C C S $$ IAZ048-172200- Ames-Story IA 41.99N 93.62W Elev. 936 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 38 47 38 54 Temp 38 42 48 50 46 43 41 41 40 41 45 45 42 41 40 39 38 42 49 52 47 Dewpt 26 25 24 24 27 32 35 38 36 37 38 38 37 40 39 39 38 40 41 42 42 RH 62 50 39 36 47 65 79 89 85 85 76 76 82 96 96100100 93 74 69 83 Wind dir SE SE SE SE SE E E E E E NE NE NE E E E E SE S S SE Wind spd 6 10 13 16 14 14 13 11 10 10 10 10 6 4 3 2 2 3 5 5 5 Wind gust 20 24 26 Clouds B1 B1 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC PoP 12hr 50 60 20 0 0 QPF 12hr 0.01 0.10 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain S L C L C S S Tstms S S Wind chill 36 36 34 33 33 35 39 Min chill 32 30 38 31 31 31 35 33 36 37 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 56 42 51 33 49 34 54 Temp 42 40 56 52 42 37 44 43 36 33 46 44 37 32 50 47 Dewpt 41 40 47 45 40 36 35 35 34 32 36 36 35 32 38 38 PWind dir SE SE NE N N W SW SW Wind char LT LT GN GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 20 30 30 30 20 10 5 5 Rain S C C S C C C S S $$ IAZ004-172200- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 33 42 34 50 Temp 36 39 45 46 42 37 36 34 34 35 37 39 37 37 37 36 35 39 46 49 45 Dewpt 26 25 25 25 26 32 34 34 33 35 35 36 35 36 35 36 35 37 40 40 40 RH 67 57 45 43 53 82 92100 96100 92 89 92 96 92100100 92 79 71 82 Wind dir SE SE SE SE E E E E E NE E NE E E SE SE S S S S S Wind spd 8 12 16 17 14 14 13 12 10 10 10 10 5 5 4 4 4 5 8 8 6 Clouds B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 OV OV OV OV B2 B2 B1 B1 PoP 12hr 60 80 40 0 0 QPF 12hr 0.08 0.53 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain C L D D D C Snow C Wind chill 30 32 38 39 34 28 27 25 26 27 30 33 Min chill 30 28 33 27 25 25 31 29 29 30 39 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 36 52 33 45 28 46 31 50 Temp 40 39 51 46 36 29 40 38 32 28 44 42 36 31 47 44 Dewpt 39 38 44 39 32 28 31 30 27 26 33 33 31 29 35 33 PWind dir S SW N N N SW SW W Wind char LT GN GN GN LT GN GN GN Avg clouds B1 B1 B1 SC SC SC SC SC B1 SC SC SC B1 SC SC SC PoP 12hr 10 10 10 20 10 10 0 5 Rain S $$ IAZ035-172200- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 49 36 45 36 52 Temp 37 40 47 48 43 41 39 37 37 39 42 43 40 39 39 38 36 41 48 51 46 Dewpt 28 26 25 24 27 32 35 35 35 36 37 37 36 38 38 37 36 40 40 41 40 RH 70 57 42 39 53 70 85 92 92 89 82 79 85 96 96 96100 96 74 68 79 Wind dir SE SE SE SE SE E E E E E NE NE NE E E SE SE S S S SE Wind spd 6 12 14 16 14 14 13 12 10 9 9 9 5 3 2 2 2 4 5 5 5 Clouds SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 OV OV OV OV B2 B2 SC SC PoP 12hr 60 70 30 0 0 QPF 12hr 0.04 0.16 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain S L L L L C S Wind chill 33 35 33 31 29 30 32 36 37 Min chill 32 31 35 31 28 29 34 33 33 34 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 55 36 49 31 48 33 53 Temp 41 39 54 50 39 33 42 40 34 30 45 44 36 31 49 45 Dewpt 40 39 45 43 37 31 33 32 30 29 35 35 32 29 36 35 PWind dir SE SE N N N SW SW SW Wind char LT GN GN GN LT LT LT GN Avg clouds SC SC B1 B1 B1 B1 B1 SC B1 B1 SC SC SC FW FW FW PoP 12hr 20 20 20 20 20 10 0 5 Rain S S S S S S S S $$ IAZ094-172200- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 53 43 56 38 58 Temp 37 44 51 54 51 50 47 46 45 47 52 52 45 43 42 40 39 43 51 56 50 Dewpt 21 23 26 29 32 37 41 44 42 44 44 42 40 41 41 40 39 41 42 42 42 RH 52 43 37 38 48 61 79 93 89 89 74 69 82 93 96100100 93 71 59 74 Wind dir E SE SE SE SE SE SE E E NE N N NE NE NE NE E SE S S SE Wind spd 6 11 13 13 12 11 9 6 5 6 8 9 5 5 3 3 3 3 3 4 3 Wind gust 24 26 27 Clouds SC B1 B1 OV OV OV OV B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B1 SC B1 PoP 12hr 20 30 5 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S Tstms S Wind chill 38 Min chill 31 31 39 37 37 37 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 60 46 54 37 49 36 54 Temp 46 45 60 56 48 42 46 45 40 35 47 45 39 35 51 48 Dewpt 43 45 52 49 45 40 38 37 36 35 36 37 37 35 39 39 PWind dir SE SE E N N W SW SW Wind char LT LT GN GN LT LT LT LT Avg clouds B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC FW PoP 12hr 40 40 40 50 30 5 5 5 Rain C C C C C C C C $$ IAZ017-172200- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 33 42 33 48 Temp 36 38 44 46 41 36 35 33 33 34 39 40 36 37 36 35 34 38 43 46 43 Dewpt 24 23 22 22 24 30 33 33 33 34 35 36 35 36 36 35 34 37 39 39 39 RH 61 54 41 38 50 79 92100100100 85 85 96 96100100100 96 86 76 86 Wind dir E SE SE SE E E E E E E E E E E E SE SE S S S SE Wind spd 5 9 12 13 13 13 13 12 10 10 10 9 5 4 3 3 3 4 5 5 4 Clouds B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 OV OV OV OV B2 OV B2 B1 PoP 12hr 50 90 50 0 0 QPF 12hr 0.01 0.54 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain S L D D D C C Wind chill 31 38 34 27 26 24 25 26 32 34 Min chill 30 28 32 25 24 24 29 28 30 30 38 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 52 35 47 29 45 31 49 Temp 38 36 51 47 37 31 41 38 32 28 44 41 35 30 46 43 Dewpt 38 36 45 41 35 30 32 31 29 27 34 34 32 29 35 35 PWind dir SE SE N N N SW SW SW Wind char LT GN GN GN LT LT LT GN Avg clouds SC B1 B1 B1 SC B1 SC SC B1 SC SC SC SC SC SC SC PoP 12hr 10 30 10 20 20 10 0 5 Rain S C S S $$ IAZ049-172200- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 49 36 46 37 51 Temp 37 40 47 48 44 41 40 39 38 40 43 44 41 39 39 38 36 40 46 50 45 Dewpt 24 23 22 22 26 31 34 36 35 37 38 37 37 38 38 37 36 39 40 40 40 RH 59 50 37 35 49 67 79 89 89 89 82 76 85 96 96 96100 96 79 68 82 Wind dir E SE SE E E E E E E E E NE NE E E E E SE S S SE Wind spd 5 11 13 14 14 14 13 12 10 10 10 10 6 5 4 3 3 3 4 4 3 Clouds SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 B1 SC PoP 12hr 50 70 40 0 0 QPF 12hr 0.01 0.17 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain L L L L C C Tstms S S Wind chill 34 37 33 31 31 31 33 37 38 Min chill 32 30 36 30 29 29 34 32 32 32 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 55 41 50 32 48 33 53 Temp 40 39 55 51 41 35 44 42 35 31 46 43 37 31 49 45 Dewpt 39 39 47 45 39 34 34 34 32 31 35 35 34 31 37 37 PWind dir SE SE NE N N W SW SW Wind char LT LT GN GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 20 30 30 30 30 10 5 5 Rain S C C C C C C C $$ IAZ086-172200- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 317 AM CST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 41 52 39 55 Temp 38 42 50 52 50 47 45 44 44 45 49 48 44 43 42 40 39 43 50 53 49 Dewpt 25 24 23 22 26 32 37 40 40 41 41 40 39 41 40 39 39 40 40 41 42 RH 59 48 34 31 39 56 73 86 86 86 74 74 82 93 93 96100 89 68 64 77 Wind dir E SE SE SE SE SE SE E E E NE NE NE NE NE NE E E SE SE E Wind spd 6 11 13 14 14 14 12 10 10 9 9 10 8 5 5 4 4 3 3 3 4 Wind gust 25 Clouds SC B1 B2 B2 OV OV OV OV OV OV B2 B1 B2 B2 B2 OV B2 B2 B2 B1 B1 PoP 12hr 50 60 20 5 0 QPF 12hr 0.01 0.08 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C L C S S Tstms S S Wind chill 36 39 38 Min chill 32 30 39 37 37 38 36 34 35 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 41 60 46 57 37 51 35 55 Temp 43 43 59 56 47 41 47 46 40 36 48 45 39 34 52 48 Dewpt 41 43 50 49 45 39 38 38 36 35 36 37 36 34 38 39 PWind dir SE SE E N N W SW SW Wind char LT LT GN GN LT LT LT GN Avg clouds B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 30 40 40 40 30 10 5 5 Rain C C C C C C C C S $$