Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
580 FOUS53 KDMX 030017 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 617 PM CST Tue Dec 2 2025 IAZ060-031000- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri 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 26 29 -12 14 6 Temp 28 30 29 29 27 22 18 13 6 1 -6-10 -4 7 13 10 9 12 16 17 Dewpt 23 25 26 27 25 18 14 9 3 -2 -9-14-10 -3 5 4 6 9 12 14 RH 81 81 88 92 92 84 84 84 87 87 86 82 75 63 70 76 87 87 84 88 Wind dir SW SW W NW N N N N N N NW NW SW S S S S S SW SW Wind spd 10 8 6 6 11 13 13 11 9 5 4 2 2 5 8 9 9 10 10 8 Wind gust 24 Clouds B2 B2 OV OV B2 B2 B1 SC SC SC FW FW CL CL CL FW FW SC SC B1 PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C Frzg drzl S S Snow S S Wind chill 19 22 22 22 17 9 4 -1 -7-10-17 -3 2 -3 -4 -1 4 7 Min chill 20 16 20 8 -2 -13 -20 -10 -4 -5 0 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 30 16 29 15 23 5 30 19 33 Temp 28 28 25 18 28 27 24 17 21 20 13 11 23 26 26 23 29 31 Dewpt 24 25 23 18 26 24 22 17 19 16 11 10 19 22 25 23 26 26 PWind dir SW W E E NE NW S SW SW Wind char LT LT LT GN LT LT LT GN GN Avg clouds B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 0 5 20 40 20 5 20 20 5 Snow S C C S S S S $$ IAZ039-031000- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 22 26 -12 9 1 Temp 24 26 26 27 23 20 15 9 3 -2 -8-12 -7 4 8 5 4 7 11 12 Dewpt 21 22 24 25 20 15 12 6 0 -5-10-15-11 -4 2 0 2 5 8 10 RH 88 85 92 92 88 81 88 87 87 87 91 86 82 68 76 79 91 91 87 91 Wind dir S SW W NW NW NW NW NW NW NW NW NW SW S S S S S S SW Wind spd 11 10 9 10 13 16 16 13 10 8 5 3 2 5 10 11 12 11 10 9 Wind gust 24 Clouds B2 B2 OV OV B2 B1 B1 SC SC FW FW FW CL CL FW FW SC B1 B1 B1 PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C C C Frzg drzl S S Snow S S Wind chill 13 16 17 17 11 6 -1 -7-13-17-21-22 -7 -6-11-12 -9 -4 0 Min chill 12 10 16 5 -8 -20 -25 -22 -12 -14 -8 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 27 15 26 11 20 2 25 13 29 Temp 25 25 21 17 25 23 18 12 18 16 9 6 19 20 21 19 27 25 Dewpt 21 23 20 17 23 19 17 12 15 11 7 4 15 17 20 19 24 23 PWind dir SW W N NE NE N S SW SW Wind char GN LT LT GN GN LT LT GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 10 5 20 50 30 10 20 30 10 Snow S C C C S S C $$ IAZ048-031000- Ames-Story IA 41.99N 93.62W Elev. 936 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri 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 24 26 -14 11 4 Temp 25 26 27 28 23 19 13 7 2 -3-10-14 -8 3 9 8 7 10 14 15 Dewpt 22 24 24 26 20 16 12 6 1 -4-11-16-11 -3 5 5 6 9 12 14 RH 88 92 88 92 88 88 96 96 95 95 95 90 86 75 83 87 96 96 92 96 Wind dir SW SW W NW N N N N N NW NW NW SW S S S S S S SW Wind spd 8 6 6 8 12 14 14 11 9 5 3 2 2 5 10 10 10 10 8 6 Wind gust 24 Clouds B2 B2 B2 OV B2 B2 B1 SC SC SC FW FW FW CL FW FW SC B1 B1 B1 PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C C Frzg drzl S Snow S S Wind chill 16 19 20 20 10 5 -2 -8-12-15-19 -8 -5 -6 -8 -4 3 5 Min chill 17 14 17 4 -10 -18 -23 -14 -9 -8 -1 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 28 15 27 13 20 2 27 17 31 Temp 26 26 23 17 26 25 21 14 19 17 10 8 21 23 24 21 27 28 Dewpt 24 26 23 17 25 23 20 14 18 14 9 8 18 21 23 21 26 26 PWind dir SW W NE E NE NW S SW SW Wind char LT LT LT GN GN LT LT LT GN Avg clouds B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B2 PoP 12hr 5 5 20 50 30 5 20 20 5 Snow S C C C S S S $$ IAZ004-031000- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 13 14 -15 13 9 Temp 26 26 23 16 13 12 8 0 -3 -8-12-14 -7 2 8 11 11 15 18 19 Dewpt 23 24 21 13 10 7 2 -3 -7-12-16-18-10 -1 6 8 11 14 16 17 RH 88 92 92 88 87 80 76 87 82 82 82 81 86 87 91 87100 96 92 92 Wind dir SW W NW N N N NW NW NW NW W SW S S S S SW SW SW W Wind spd 11 9 11 18 18 19 17 11 9 5 4 5 9 16 18 18 18 13 11 9 Wind gust 24 28 28 29 29 28 24 Clouds OV B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW SC B1 B2 B1 B2 B2 PoP 12hr 20 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C Frzg drzl S Snow S S S Wind chill 15 17 12 0 -4 -7-10-17-19-21-24-27-24-17-11 -8 -7 0 5 7 Min chill 12 12 0 -7 -17 -21 -28 -27 -15 -7 2 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 28 12 22 4 15 1 25 12 30 Temp 26 26 22 14 21 19 13 6 13 11 7 6 19 20 20 17 25 26 Dewpt 25 24 20 14 21 16 11 6 11 8 5 5 17 19 19 17 24 25 PWind dir W W NE NE NE S S W SW Wind char GN LT GN GN GN LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 20 5 40 40 20 5 30 10 10 Snow S C C S S S C $$ IAZ035-031000- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri 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 19 22 -17 12 6 Temp 26 26 27 25 18 17 10 4 -2 -7-14-17 -9 3 10 8 9 13 15 16 Dewpt 22 23 24 22 14 12 8 2 -4-10-15-20-12 -2 5 5 8 11 14 15 RH 85 88 88 88 84 80 91 91 91 86 95 86 86 79 80 87 96 91 96 96 Wind dir SW SW NW N N N N NW N NW NW W S S S S S SW SW SW Wind spd 10 8 8 12 13 14 13 10 8 4 2 2 3 10 12 12 12 10 9 6 Wind gust 24 25 Clouds OV B2 OV B2 B2 B1 SC FW SC FW FW FW CL CL FW SC B1 B1 B1 B2 PoP 12hr 20 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C C C Frzg drzl S Snow S S Wind chill 16 18 19 14 4 2 -6-11-16-19 -18-12 -6 -7 -7 -1 3 6 Min chill 16 14 12 1 -12 -20 -24 -22 -12 -8 -1 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 28 14 26 9 18 2 27 14 31 Temp 26 26 23 16 25 23 19 10 17 14 9 6 20 22 22 19 26 27 Dewpt 25 25 22 16 24 21 17 10 15 11 7 6 17 20 22 19 24 25 PWind dir W W NE NE NE S S SW SW Wind char LT LT LT GN LT LT LT GN GN Avg clouds B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B2 PoP 12hr 10 5 30 40 30 5 30 20 10 Snow C C C C S C S $$ IAZ094-031000- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 27 30 -7 14 4 Temp 27 29 29 29 30 28 21 16 11 7 1 -3 0 9 14 10 9 11 15 16 Dewpt 24 25 26 26 28 24 18 12 6 2 -4-10 -7 -1 5 5 6 9 10 13 RH 88 85 88 88 92 85 88 84 80 79 79 71 71 63 67 80 87 91 80 88 Wind dir S SW SW W N N N N N N N N E S S S S S SW SW Wind spd 10 10 8 5 8 12 13 10 10 6 5 3 2 3 5 5 8 8 9 8 Wind gust 20 18 23 24 Clouds B1 B2 OV OV B2 OV B1 SC SC SC SC FW FW CL CL CL FW FW SC SC PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C Frzg drzl S S Snow S S S Wind chill 17 20 21 23 22 17 8 4 -3 -5-10 -9 2 5 0 -3 -1 3 5 Min chill 20 16 20 16 2 -7 -13 -3 0 -3 0 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 29 16 30 17 24 8 30 19 33 Temp 27 27 23 18 29 28 25 19 23 22 16 14 25 27 27 23 31 31 Dewpt 24 24 23 18 28 26 25 19 22 19 15 14 21 24 26 23 27 28 PWind dir SW W S E N N S SW SW Wind char LT LT LT GN LT LT LT LT GN Avg clouds B1 B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 PoP 12hr 0 0 10 30 20 5 10 10 0 Snow C S S $$ IAZ017-031000- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri 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 17 19 -14 9 4 Temp 25 26 26 22 16 15 10 4 -1 -4-10-13 -8 1 5 7 6 9 14 15 Dewpt 21 23 24 20 13 11 7 1 -4 -8-13-17-11 -3 2 2 5 9 12 14 RH 84 88 92 92 88 84 87 87 87 82 86 82 86 83 87 79 96100 92 96 Wind dir SW SW NW NW N NW NW NW NW NW NW W S S S S S SW SW SW Wind spd 12 10 9 14 16 17 14 11 9 5 3 2 4 9 13 13 13 12 10 8 Wind gust 25 Clouds B2 B2 B2 B2 B1 B1 SC FW FW FW FW FW FW CL FW SC B1 B1 B2 B2 PoP 12hr 20 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C C Snow S S S Wind chill 14 16 16 9 1 -1 -7-12-16-17-20 -19-14-12-10-11 -7 1 4 Min chill 10 10 8 -1 -14 -21 -23 -22 -13 -12 -4 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 26 13 22 6 16 0 24 13 28 Temp 24 24 21 15 22 20 15 8 15 12 6 5 18 20 19 18 25 24 Dewpt 23 22 20 15 21 17 13 8 13 9 4 4 16 18 19 18 23 22 PWind dir W W N NE NE SE S SW SW Wind char LT LT LT LT LT LT LT GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 10 5 30 40 30 5 20 20 10 Snow C C C C S S S $$ IAZ049-031000- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 23 26 -13 10 1 Temp 25 24 26 27 24 20 14 8 2 -3 -9-13 -8 4 9 5 4 7 12 13 Dewpt 21 22 24 25 21 16 13 6 0 -5-11-16-10 -3 2 2 3 6 8 11 RH 84 92 92 92 88 84 96 91 91 91 91 86 91 72 72 87 95 96 84 91 Wind dir S SW W NW N N N NW NW NW NW NW SW S S S S S SW SW Wind spd 11 9 8 8 12 14 14 11 9 6 4 2 2 5 9 10 11 11 10 9 Clouds B2 B2 OV OV B2 B1 SC SC SC FW FW FW FW CL CL FW SC SC B1 B1 PoP 12hr 20 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C C Frzg drzl S S Snow S S Wind chill 14 15 18 19 12 6 -1 -7-13-16-20 -8 -4-10-11 -8 -2 1 Min chill 14 12 16 4 -10 -20 -23 -22 -11 -12 -7 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 27 14 26 12 20 2 26 15 30 Temp 25 25 22 16 25 24 19 13 18 16 9 7 19 22 21 19 27 26 Dewpt 22 23 21 16 23 21 19 13 16 13 8 6 16 20 21 19 25 25 PWind dir SW W NE NE NE NW S SW SW Wind char GN LT LT LT GN LT LT GN GN Avg clouds B1 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 5 5 20 50 30 5 20 30 10 Snow S C C C S S C $$ IAZ086-031000- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 617 PM CST Tue Dec 2 2025 Date 12/02/25 Wed 12/03/25 Thu 12/04/25 Fri 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 25 30 -9 13 2 Temp 26 29 29 30 30 28 22 17 11 7 0 -5 -2 8 12 8 6 8 13 14 Dewpt 22 25 26 27 28 25 18 13 6 1 -5-11 -8 -3 5 4 4 6 8 10 RH 85 85 88 88 92 88 84 84 80 76 79 74 75 60 73 83 91 91 80 84 Wind dir S SW SW W NW N N NW N N NW NW NW S S S S S S SW Wind spd 12 10 9 8 10 13 13 11 10 8 6 4 2 3 5 5 8 9 9 9 Wind gust 20 Clouds B1 B2 OV OV OV OV B2 B1 B1 SC SC FW CL CL CL CL FW SC SC SC PoP 12hr 10 30 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Frzg drzl S S Snow S C S S Wind chill 15 20 20 22 22 17 9 4 -3 -6-13-16 4 -3 -7 -6 0 2 Min chill 17 14 19 17 2 -8 -17 -16 -5 -9 -5 Date 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 28 17 30 16 24 5 29 19 33 Temp 26 26 23 18 28 27 23 17 23 22 14 10 23 25 26 23 31 30 Dewpt 22 24 22 18 26 24 22 17 20 18 13 9 19 22 24 23 26 26 PWind dir SW W SE E NE N S SW SW Wind char GN LT LT GN GN LT LT GN GN Avg clouds SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 0 0 10 40 20 5 20 20 5 Snow C C S S S S S $$