Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
531 FOUS53 KDMX 020417 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1017 PM CST Mon Dec 1 2025 IAZ060-021000- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 12 30 22 31 -11 Temp 18 18 15 18 23 27 26 26 27 30 30 29 26 20 15 8 2 -5 -8 Dewpt 15 14 11 13 20 23 23 25 27 28 29 29 22 16 10 4 -2 -7-10 RH 88 84 84 80 88 85 88 96100 92 96100 85 84 80 83 83 91 91 Wind dir SW SW SW SW SW S S S SW SW W NW N N N NW NW NW NW Wind spd 5 5 4 6 6 9 9 9 9 8 6 10 14 14 11 10 6 5 3 Wind gust 25 Clouds SC SC SC SC SC B1 B2 B2 B2 OV OV B2 B2 B2 B1 SC FW FW FW PoP 12hr 0 0 5 30 0 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Flurries Snow C C Wind chill 10 11 7 9 15 19 17 17 18 22 24 20 14 7 1 -6-10-18-16 Min chill 10 6 4 16 14 19 12 0 -11 -19 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 13 4 31 19 30 11 21 5 29 Temp 7 9 11 16 28 29 27 21 29 28 23 13 20 18 11 12 24 27 Dewpt 2 4 8 13 24 25 25 21 25 24 21 13 17 13 10 10 20 22 PWind dir SW S SW W S N N SE S Wind char LT GN GN LT LT GN GN LT LT Avg clouds FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 PoP 12hr 0 0 0 0 20 10 10 5 20 Snow S S $$ IAZ039-021000- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 11 26 19 29 -11 Temp 15 15 13 16 21 22 21 22 24 26 27 27 24 19 12 6 1 -5 -9 Dewpt 13 13 12 14 19 19 19 21 24 25 27 26 19 14 8 3 -2 -6-11 RH 92 92 96 92 92 88 92 96100 96100 96 81 80 84 87 87 95 91 Wind dir SW SW SW S SW S S S SW SW W NW NW NW NW NW NW NW NW Wind spd 4 4 4 5 10 10 10 10 10 9 9 13 17 17 13 12 9 5 4 Clouds B2 B2 B1 B2 B1 B2 B2 OV OV OV OV B2 B2 B1 SC FW FW FW FW PoP 12hr 5 0 20 30 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries Snow S S C C Obvis PF PF F Wind chill 8 7 6 6 10 11 11 11 14 18 19 16 11 4 -3 -9-14-18-20 Min chill 8 2 2 10 9 14 10 -4 -16 -22 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 8 0 28 15 26 7 18 1 26 Temp 5 5 5 11 24 26 24 17 25 23 18 10 18 14 6 7 20 22 Dewpt 0 1 4 9 20 22 24 17 22 19 17 10 13 9 5 6 15 19 PWind dir SW S SW W N N N SW S Wind char LT GN GN LT GN GN GN LT GN Avg clouds FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 B2 B2 PoP 12hr 0 0 5 5 30 20 10 5 20 Snow S C S S $$ IAZ048-021000- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 8 28 19 30 -12 Temp 15 14 12 14 20 24 23 23 24 28 28 28 24 18 12 5 0 -7-10 Dewpt 13 14 11 13 18 21 22 23 24 27 27 26 20 15 9 3 -3 -7-11 RH 92100 96 96 92 88 96100100 96 96 92 84 88 87 91 87100 95 Wind dir SW SW SW SW SW S S S SW SW NW NW N N N NW NW NW NW Wind spd 4 4 4 5 8 10 9 8 6 5 6 12 16 16 12 10 5 4 2 Wind gust 26 26 Clouds SC B1 B1 B1 SC B1 B2 B2 B2 OV OV B2 B2 B1 SC FW FW FW FW PoP 12hr 0 0 10 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S S Obvis PF PF Wind chill 8 7 3 5 10 14 13 14 16 22 21 17 11 3 -3-10-12-18 Min chill 6 2 -1 12 11 18 10 -4 -13 -20 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 12 3 30 18 28 8 19 3 28 Temp 6 8 10 14 26 28 25 19 27 26 20 11 18 15 8 9 23 24 Dewpt 2 4 8 13 24 26 24 19 25 24 19 11 16 13 8 9 20 22 PWind dir SW S SW W NE N N SE S Wind char LT GN GN LT GN GN GN LT LT Avg clouds FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B1 PoP 12hr 0 0 5 5 30 20 10 5 20 Snow C S S $$ IAZ004-021000- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 3 26 11 21 -12 Temp 14 11 7 10 18 23 23 21 23 26 20 16 15 10 4 -1 -5 -9-10 Dewpt 12 9 4 6 15 19 20 21 22 24 17 14 11 6 1 -4 -8-11-13 RH 92 91 87 83 88 84 88100 96 92 88 92 84 83 87 87 86 91 86 Wind dir SW SW SW SW SW S S SW W NW NW N N NW NW NW NW W SW Wind spd 6 6 6 8 10 12 11 10 8 10 17 18 20 18 12 10 6 5 5 Clouds SC SC SC SC SC B2 OV OV OV OV B2 B2 B1 FW SC FW FW FW FW PoP 12hr 0 0 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S S Obvis PF PF Wind chill 4 0 -5 -2 6 11 12 10 13 16 5 0 -3 -8-14-17-18-22-23 Min chill 3 -5 -8 9 4 5 -4 -14 -19 -23 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 16 7 29 13 23 2 13 1 27 Temp 7 14 14 18 27 27 23 15 22 19 13 4 12 9 6 9 22 23 Dewpt 3 8 14 15 25 25 21 15 21 17 12 4 10 7 5 7 19 21 PWind dir SW SW SW NW NE N N S SW Wind char GN GN GN GN GN GN GN LT GN Avg clouds FW SC B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B1 SC B1 B1 B2 B1 PoP 12hr 0 0 10 5 30 10 10 5 20 Snow C C S $$ IAZ035-021000- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 6 27 16 28 -13 Temp 14 13 9 11 18 23 23 21 23 27 26 23 20 14 7 2 -3 -9-11 Dewpt 12 12 8 9 15 20 21 21 23 26 26 20 15 11 4 -1 -6 -9-13 RH 92 96 96 91 88 88 92100100 96100 88 81 88 87 87 86100 90 Wind dir SW SW SW SW S S S SW SW W NW N N N N NW NW NW W Wind spd 5 5 5 5 8 10 9 8 6 6 9 13 16 16 11 9 5 3 2 Clouds SC B1 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 B1 SC SC FW FW FW PoP 12hr 0 0 20 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S S S S Obvis PF PF F Wind chill 5 4 -1 2 9 12 13 12 16 20 17 11 6 -2 -8-13-15-18 Min chill 3 -1 -3 9 10 16 5 -9 -15 -20 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 14 4 30 16 27 5 16 2 28 Temp 7 10 12 16 27 28 24 18 25 23 17 8 16 13 7 8 22 23 Dewpt 2 6 11 15 24 25 23 18 23 21 17 8 13 9 7 7 20 21 PWind dir SW S SW W NE N N S S Wind char LT GN GN LT GN GN GN LT GN Avg clouds FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 PoP 12hr 0 0 5 5 30 10 10 5 20 Snow S C S $$ IAZ094-021000- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 12 31 24 32 -9 Temp 18 17 14 17 23 29 27 26 28 30 30 30 30 23 16 10 5 -3 -7 Dewpt 16 15 14 16 21 24 24 26 27 28 29 30 28 21 14 7 2 -4 -9 RH 92 92100 96 92 81 88100 96 92 96100 92 92 92 87 87 95 91 Wind dir W W SW SW SW S S S SW SW SW NW N N N N N N N Wind spd 5 5 5 6 6 9 8 9 9 8 5 8 12 13 11 10 6 5 3 Wind gust 24 Clouds SC SC FW SC B1 B1 B1 B1 OV OV OV B2 B2 B2 B1 B1 SC FW FW PoP 12hr 0 0 0 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries Snow S S Wind chill 11 9 6 8 15 20 19 17 19 23 24 22 20 11 4 -4 -7-15-16 Min chill 10 5 3 17 15 20 19 3 -9 -18 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 12 3 31 20 31 13 23 7 30 Temp 7 9 10 16 28 28 26 21 29 29 23 16 22 19 12 14 26 27 Dewpt 3 4 9 12 24 25 26 21 27 25 23 16 20 16 12 13 22 23 PWind dir SW S SW W S NW N NE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 PoP 12hr 0 5 0 0 10 10 5 5 10 $$ IAZ017-021000- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 9 25 14 25 -12 Temp 14 14 12 14 17 20 21 20 21 26 25 20 19 13 7 2 -2 -7-10 Dewpt 12 12 11 12 15 17 18 20 21 24 24 18 14 9 3 -1 -5-10-12 RH 92 92 96 92 92 88 88100100 92 96 92 80 84 83 87 87 86 90 Wind dir SW SW SW SW SW S S SW SW W NW NW N NW NW NW NW NW W Wind spd 5 5 5 6 9 10 10 9 8 8 11 14 18 17 12 10 6 4 3 Clouds B2 B1 B2 B1 SC B1 OV OV OV OV OV B2 B2 SC SC SC FW FW FW PoP 12hr 0 0 20 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S S S S Obvis PF F F Wind chill 5 4 2 4 6 9 10 10 12 17 15 6 3 -4 -9-14-15-19-16 Min chill 4 0 -2 7 6 11 2 -9 -18 -21 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 10 2 28 13 23 3 15 -1 26 Temp 5 7 8 15 25 26 22 15 22 20 15 6 13 11 5 8 20 22 Dewpt 1 3 7 13 23 24 21 15 20 17 14 6 11 6 5 5 17 19 PWind dir SW S SW W NE N N SW S Wind char LT GN GN LT LT GN GN LT GN Avg clouds FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 PoP 12hr 0 0 10 10 30 20 10 5 20 Snow S C S S $$ IAZ049-021000- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 9 26 19 30 -12 Temp 15 15 13 16 20 22 21 22 24 27 28 28 24 18 12 5 0 -6-10 Dewpt 13 14 12 14 18 20 21 22 23 26 27 26 20 15 9 2 -3 -7-11 RH 92 96 96 92 92 92100100 96 96 96 92 84 88 87 87 87 95 95 Wind dir SW SW SW SW SW S S S SW SW W NW N N N NW NW NW NW Wind spd 4 5 4 6 9 10 9 9 9 8 6 11 16 16 12 10 6 5 3 Clouds OV B1 B1 B2 B2 B1 B2 OV B2 OV OV OV B2 B1 SC SC FW FW FW PoP 12hr 5 0 10 30 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries Snow C C Obvis PF PF F Wind chill 8 7 5 6 9 11 11 11 14 19 21 18 11 3 -3-10-13-19-17 Min chill 6 4 -1 9 9 14 10 -3 -15 -22 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 9 -1 29 15 27 8 18 2 27 Temp 5 5 6 12 25 26 24 17 26 24 18 11 18 14 7 8 21 23 Dewpt 1 2 5 10 22 23 23 17 24 21 18 11 15 11 7 7 18 20 PWind dir SW S SW W NE N N SW S Wind char LT GN GN LT LT GN GN LT LT Avg clouds FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 PoP 12hr 0 0 5 5 30 20 10 5 20 Snow C S S $$ IAZ086-021000- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1017 PM CST Mon Dec 1 2025 Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 13 29 21 33 -9 Temp 18 17 15 18 24 27 24 24 26 30 31 31 31 25 18 11 5 -3 -7 Dewpt 16 14 13 17 22 24 22 23 26 27 29 31 29 22 15 8 1 -4 -9 RH 92 88 92 96 92 88 92 96100 88 92100 92 88 88 87 83 95 91 Wind dir W W W SW SW S S S S SW SW W NW N N N NW NW NW Wind spd 5 5 5 5 9 9 8 10 10 10 9 10 12 13 12 11 9 6 5 Wind gust 24 Clouds OV B1 B1 SC SC SC B2 B1 OV OV OV B2 B2 B2 B1 B1 SC FW FW PoP 12hr 5 0 0 30 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow C C C C Obvis PF PF Wind chill 10 9 6 9 14 18 15 14 16 21 23 22 21 13 5 -3 -9-17-20 Min chill 9 5 4 14 12 17 19 4 -10 -20 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 11 0 31 18 31 13 23 4 29 Temp 7 7 6 13 27 28 26 19 29 28 23 15 22 19 10 11 24 26 Dewpt 2 2 4 9 22 24 25 19 25 25 22 15 18 15 10 10 19 22 PWind dir W S SW W SW N N NW S Wind char LT GN GN LT LT GN GN LT LT Avg clouds FW CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 PoP 12hr 0 5 5 0 20 10 10 5 10 Snow S $$