Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
440 FOUS53 KDMX 070557 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1157 PM CST Sat Dec 6 2025 IAZ060-071000- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 8 32 22 Temp 26 23 20 17 17 16 11 9 9 10 10 12 20 26 29 28 29 30 30 Dewpt 23 22 18 14 11 10 5 5 6 7 7 10 16 20 22 25 28 29 28 RH 88 96 92 88 77 77 76 83 87 87 87 91 84 78 75 88 96 96 92 Wind dir NE N N N N N N NE E SE SE S S S S S SW SW SW Wind spd 11 11 11 11 10 8 5 3 3 4 5 5 9 10 10 11 10 10 8 Wind gust 21 23 Clouds OV B2 B1 B1 FW FW B1 OV OV B2 B2 SC SC B1 B1 SC SC B1 B1 PoP 12hr 100 0 5 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr T 00-00 00-00 Frzg drzl D Snow D Wind chill 15 12 8 4 5 6 1 2 2 1 3 10 16 21 18 20 21 22 Min chill 14 7 2 0 -1 -1 0 10 18 19 Winter Weath Y Y Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 41 23 30 18 26 5 12 -2 11 Temp 36 40 39 25 28 25 21 20 24 22 15 6 11 10 4 -1 8 8 Dewpt 33 34 34 25 22 21 19 19 20 17 10 4 4 3 -1 -4 0 1 PWind dir SW W NW E NW NW NW NW NW Wind char GN BZ GN LT GN GN GN GN GN Avg clouds B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC PoP 12hr 5 20 10 30 20 10 10 5 5 Rain S Snow S C S S $$ IAZ039-071000- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 10 13 0 25 15 Temp 23 21 15 10 13 12 3 0 3 6 6 9 17 22 19 21 23 24 26 Dewpt 21 19 12 6 6 5 -2 -2 1 3 4 7 11 14 15 19 22 24 26 RH 92 92 88 83 73 73 79 91 91 87 91 91 77 71 84 92 96100100 Wind dir NE N N N N N N NE E SE S S S S S S SW SW SW Wind spd 10 11 12 11 11 9 5 3 3 3 5 6 10 12 12 13 12 11 10 Clouds OV B2 B1 FW CL FW SC B2 B2 OV B2 B2 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 100 0 5 5 5 QPF 12hr 0.07 0 0 0 0 Snow 12hr 1 00-00 00-00 Frzg drzl C Snow D C Wind chill 12 8 1 -4 -2 0 -9 -8 -2 -4 -2 4 10 7 7 11 14 17 Min chill 11 0 -6 -11 -12 -6 -6 4 4 11 Winter Storm W W Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 39 21 29 11 21 2 10 -7 6 Temp 34 36 35 23 26 21 16 12 20 18 11 3 7 5 -2 -6 3 2 Dewpt 32 33 34 23 21 18 15 12 17 14 8 2 2 0 -6 -8 -2 -4 PWind dir SW W NW N N NW NW NW NW Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 10 40 10 20 30 10 5 5 10 Rain S C Snow S S C S $$ IAZ048-071000- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 15 4 29 20 Temp 23 21 17 13 13 13 6 6 8 8 8 10 17 23 27 25 27 28 28 Dewpt 21 20 15 9 7 6 2 4 6 7 7 9 15 19 21 24 27 28 27 RH 92 96 92 84 76 73 83 91 91 96 96 96 92 84 78 96100100 96 Wind dir NE N N N N N N NE SE SE S S S S S S SW SW SW Wind spd 10 12 12 11 10 8 5 3 3 5 6 6 10 11 10 10 9 9 6 Wind gust 23 23 Clouds OV B2 B1 SC FW FW B1 OV OV B2 B2 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 100 0 5 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 1 00-00 00-00 Frzg drzl D Snow D Wind chill 12 9 4 -1 0 1 -4 1 -2 -3 -1 5 12 17 15 18 19 21 Min chill 12 3 -3 -6 -6 -5 -5 7 13 16 Winter Storm W W Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 41 21 29 15 24 3 11 -5 8 Temp 34 39 37 23 26 22 19 17 22 19 12 4 8 7 0 -4 5 4 Dewpt 33 35 34 23 22 20 18 17 18 17 9 3 4 2 -3 -5 0 0 PWind dir SW W NW NE NW NW NW NW NW Wind char GN BZ GN LT GN GN GN GN GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC PoP 12hr 5 20 10 30 30 10 10 5 10 Rain S Snow S C C C $$ IAZ004-071000- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 3 7 3 29 19 Temp 19 12 6 3 5 7 4 4 5 7 6 9 15 22 26 24 26 25 25 Dewpt 16 9 2 -1 1 2 1 2 3 4 3 7 14 18 21 23 25 25 23 RH 88 87 83 83 83 79 87 91 91 87 87 91 96 84 81 96 96100 92 Wind dir N N N N N N E SE S S S S S S S SW W W W Wind spd 11 13 12 10 8 5 3 5 9 11 12 13 16 17 14 13 13 11 10 Clouds OV B1 SC SC SC B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 0 20 5 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr T 00-00 00-00 Snow C S S S S Wind chill 7 -3-10-12 -8 -3 -3 -7 -9 -8-10 -7 -1 8 14 12 14 14 15 Min chill 5 -10 -12 -7 -9 -10 -10 1 12 13 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 39 14 21 9 18 -3 6 -10 5 Temp 33 37 31 16 19 16 14 10 16 12 5 -2 3 2 -5 -9 1 -1 Dewpt 31 33 28 16 16 13 11 10 14 9 2 -4 0 -3 -8 -11 -3 -4 PWind dir SW W NW E N NW NW NW NW Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 30 30 20 30 30 10 10 5 10 Rain C C Snow C S C C C C $$ IAZ035-071000- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 10 3 29 19 Temp 21 18 12 7 8 9 4 5 7 7 7 9 16 22 26 25 26 26 26 Dewpt 20 17 9 3 4 4 2 3 4 5 4 8 14 19 21 24 26 26 24 RH 96 96 87 83 83 80 91 91 87 91 87 96 92 88 81 96100100 92 Wind dir NE N N N N N N E SE S S S S S S SW SW W SW Wind spd 12 11 12 10 10 6 4 3 5 6 8 9 11 12 11 10 10 9 6 Clouds OV B2 B1 SC FW SC B2 OV OV B2 B2 B1 B1 B2 B1 SC B1 B1 B1 PoP 12hr 80 0 10 5 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 1 00-00 00-00 Frzg drzl L Snow L Wind chill 9 5 -3 -8 -5 -2 -4 -1 -3 -5 -6 -4 3 10 16 14 16 17 18 Min chill 9 -4 -9 -5 -4 -6 -7 4 13 16 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 40 18 25 11 21 0 8 -7 7 Temp 34 38 34 19 23 19 16 13 19 16 8 1 6 5 -3 -6 3 2 Dewpt 33 34 31 19 19 17 15 13 16 14 6 -1 2 0 -5 -7 -1 -1 PWind dir SW W NW E NW NW NW NW NW Wind char GN BZ GN LT GN GN GN GN GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC B1 PoP 12hr 10 20 10 30 30 10 10 5 10 Rain S Snow S S C C C $$ IAZ094-071000- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 21 23 12 31 24 Temp 32 28 24 21 22 22 17 13 13 12 12 14 23 29 29 29 29 29 30 Dewpt 31 27 22 20 18 16 12 9 9 9 9 12 18 22 23 26 28 29 28 RH 96 96 92 96 84 77 80 84 84 87 87 92 81 75 78 88 96100 92 Wind dir NE N N N N N N NE E SE S S S S S S SW SW SW Wind spd 6 13 13 13 12 10 6 5 3 4 5 5 9 10 10 10 10 10 9 Wind gust 26 25 Clouds OV OV B2 B2 B1 SC SC B2 B2 B1 SC SC SC SC SC SC SC B1 B1 PoP 12hr 40 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C Frzg drzl C S Snow Wind chill 26 17 12 8 10 11 8 4 6 5 3 5 13 20 19 19 20 20 22 Min chill 25 11 8 7 3 3 3 13 18 20 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 43 24 33 19 29 8 16 1 14 Temp 38 41 40 27 31 27 24 21 28 25 17 9 14 12 7 2 11 11 Dewpt 34 35 34 27 23 22 21 21 22 19 12 7 5 3 2 -2 2 2 PWind dir SW W NW E NW NW NW NW NW Wind char GN GN GN LT GN GN GN GN LT Avg clouds SC B1 B2 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 SC SC PoP 12hr 0 10 5 20 10 5 10 0 5 Snow S S $$ IAZ017-071000- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 8 0 25 15 Temp 20 15 8 3 7 7 2 2 4 5 6 8 14 19 22 22 23 24 25 Dewpt 19 14 4 0 1 2 -2 0 1 3 3 6 11 14 16 21 23 24 23 RH 96 96 83 87 76 79 83 91 87 91 87 91 88 80 77 96100100 92 Wind dir N N N N N N N E SE S S S S S S S SW W W Wind spd 9 11 11 10 9 6 4 3 4 8 9 10 12 13 12 13 11 10 9 Clouds OV B2 SC FW FW SC B1 B2 OV OV B2 B2 B2 B2 OV B1 SC B1 B1 PoP 12hr 100 0 10 5 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 1 00-00 00-00 Snow D Wind chill 10 2 -7-12 -7 -5 -8 -6 -5 -8 -8 -6 0 6 10 10 12 14 16 Min chill 9 -8 -13 -8 -9 -10 -10 1 9 9 Winter Storm W W Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 37 16 24 9 18 -2 6 -10 4 Temp 32 36 33 19 22 17 14 10 17 14 7 -1 4 2 -5 -9 0 -1 Dewpt 31 32 31 19 18 15 12 10 15 11 5 -1 0 -2 -7 -9 -3 -5 PWind dir SW W NW NE N NW NW NW NW Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 30 40 10 20 30 10 10 5 10 Rain C C Snow S S C C $$ IAZ049-071000- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 11 14 0 27 17 Temp 22 21 16 11 12 12 3 1 5 6 7 9 16 21 24 22 24 26 27 Dewpt 21 19 15 8 6 5 -1 0 3 3 4 7 13 16 18 21 24 26 26 RH 96 92 96 87 76 73 83 95 91 87 87 91 88 81 77 96100100 96 Wind dir NE N N N N N N NE E SE S S S S S S SW SW SW Wind spd 11 12 13 12 11 9 6 4 3 3 5 5 10 11 11 12 11 10 9 Clouds OV B2 B1 SC FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 100 0 5 0 0 QPF 12hr 0.07 0 0 0 0 Snow 12hr 1 00-00 00-00 Frzg drzl S Snow D S Wind chill 10 9 2 -4 -3 -1 -9 -8 -2 -2 -3 -2 3 9 13 10 13 16 18 Min chill 10 0 -5 -9 -11 -5 -5 4 10 12 Winter Storm W W Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 39 21 29 12 22 2 10 -6 7 Temp 34 37 35 23 25 20 16 13 20 18 10 3 7 5 -2 -5 3 2 Dewpt 33 34 33 23 22 18 16 13 18 15 8 2 2 1 -4 -7 -1 -2 PWind dir SW W NW NE NW NW NW NW NW Wind char GN BZ BZ LT GN GN GN GN GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 10 30 10 30 30 10 10 5 10 Rain C Snow S C C C $$ IAZ086-071000- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1157 PM CST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 20 22 7 29 20 Temp 28 27 24 21 21 20 13 8 8 10 11 12 22 27 25 25 27 29 31 Dewpt 26 25 22 19 17 13 7 5 5 7 7 10 15 20 20 23 26 28 29 RH 92 92 92 92 84 74 76 87 87 87 83 91 74 74 81 92 96 96 92 Wind dir NE N N N N N N N NE E SE S S S S S SW SW SW Wind spd 11 12 13 13 12 11 8 5 3 3 4 4 6 9 10 11 12 12 10 Wind gust 24 26 24 Clouds OV OV B2 B1 B1 FW SC B2 B2 B2 B2 SC SC SC B1 SC B1 B1 B1 PoP 12hr 100 0 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 1 00-00 00-00 Frzg drzl D L Snow D L Wind chill 18 16 11 8 9 8 2 -2 0 4 3 4 14 18 15 15 16 19 22 Min chill 16 10 6 0 -3 1 2 14 12 16 Winter Weath Y Y Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 42 25 33 17 27 6 14 -2 11 Temp 36 41 40 28 30 26 22 18 25 23 16 7 12 10 4 -1 8 8 Dewpt 34 35 35 28 24 22 19 18 21 19 12 6 5 3 -1 -4 0 0 PWind dir SW W NW E NW NW NW NW NW Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 0 20 10 30 20 10 10 5 5 Rain S Snow S C S S $$