Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
689 FOUS53 KDMX 080327 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 926 PM CST Sun Dec 7 2025 IAZ060-081000- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 4 29 25 42 26 Temp 7 8 9 13 21 27 25 29 31 31 30 31 36 40 41 40 40 35 28 Dewpt 2 4 6 9 15 20 22 26 28 28 28 30 34 35 35 36 34 32 28 RH 79 83 87 84 77 74 88 88 88 88 92 96 92 82 79 85 79 89100 Wind dir E SE SE S S S S S SW W W SW S SW SW W W NW NW Wind spd 3 3 5 6 9 10 10 11 10 9 6 6 10 12 16 20 21 23 18 Wind gust 24 26 Clouds OV OV B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 OV B2 B1 B2 B2 PoP 12hr 20 10 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S S Wind chill 1 0 3 11 17 16 19 22 23 23 24 29 32 32 31 29 23 15 Min chill -6 -1 -1 11 16 21 22 29 28 15 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 17 25 6 13 -3 9 -1 18 Temp 28 26 21 18 24 22 15 7 12 7 2 -2 6 7 5 2 13 15 Dewpt 23 21 18 18 20 16 10 5 4 0 -4 -6 -2 1 1 -2 6 8 PWind dir NW NE N NW NW NW NW SW SW Wind char GN LT GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 5 40 30 10 10 5 10 10 5 Snow S C C S $$ IAZ039-081000- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max -8 21 17 39 22 Temp 0 4 7 10 15 18 18 21 25 26 26 28 32 35 37 36 36 31 24 Dewpt -3 1 4 8 11 14 15 20 24 25 26 28 31 33 34 35 34 31 24 RH 87 87 87 91 84 84 88 96 96 96100100 96 92 89 96 92100100 Wind dir E SE SE S S S S S SW W W W SW S SW SW W W NW Wind spd 2 3 4 8 10 11 12 12 11 10 9 8 10 13 19 24 26 27 23 Wind gust 34 36 37 Clouds OV OV OV OV OV B2 B2 OV B2 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 PoP 12hr 20 20 0 10 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C Rain C C Snow S S Wind chill -3 -2 -2 3 6 5 9 14 16 17 20 24 27 27 25 24 17 9 Min chill -14 -6 -3 4 4 14 17 24 23 8 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 28 9 20 0 10 -8 4 -7 12 Temp 26 20 15 10 18 16 9 2 6 4 -4 -7 1 2 -2 -5 8 8 Dewpt 21 17 13 10 15 10 7 2 0 -3 -7 -9 -4 -4 -5 -7 2 3 PWind dir NW NW N NW NW NW NW W SW Wind char BZ LT GN GN BZ GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B1 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 20 40 20 10 5 10 10 5 Snow S C C S $$ IAZ048-081000- Ames-Story IA 41.99N 93.62W Elev. 936 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 -1 26 22 41 23 Temp 4 7 8 11 17 22 23 26 28 28 28 29 34 37 39 38 37 32 25 Dewpt 1 4 6 9 14 19 21 24 27 27 27 29 33 35 35 36 35 31 25 RH 87 87 91 91 88 88 92 92 96 96 96100 96 92 85 92 92 96100 Wind dir E SE SE S S S S S SW W W SW S S SW W W NW NW Wind spd 2 3 5 8 10 10 10 11 9 9 5 5 10 12 16 20 24 25 19 Wind gust 23 34 35 29 Clouds OV OV OV B2 B2 B1 B2 B1 SC B1 B1 B1 B2 B2 OV B2 B2 B2 B2 PoP 12hr 30 20 0 5 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snow S C S Wind chill -1 -2 -1 5 11 12 15 19 20 22 23 27 29 30 27 25 19 11 Min chill -11 -4 -3 7 12 17 20 27 24 10 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 13 23 3 11 -6 7 -5 15 Temp 26 22 18 14 22 17 12 4 7 5 -2 -6 4 4 2 -2 10 11 Dewpt 22 19 17 14 18 15 10 4 3 -1 -4 -8 -2 0 -1 -4 6 8 PWind dir NW N N NW NW NW NW SW S Wind char GN LT GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 5 40 40 20 10 5 10 10 5 Snow C C S S $$ IAZ004-081000- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max -1 26 22 39 15 Temp 4 6 8 10 15 21 23 26 27 27 26 26 32 36 38 35 32 24 17 Dewpt 1 2 3 7 14 18 21 24 24 25 24 26 31 33 34 33 29 22 17 RH 87 83 79 87 96 88 92 92 88 92 92100 96 89 85 92 88 92100 Wind dir S S S S S S S SW W W W SW S SW SW W NW NW NW Wind spd 8 11 11 12 13 16 14 14 12 11 9 10 13 18 24 27 29 29 21 Wind gust 25 29 40 Clouds OV OV OV B2 B2 B2 OV B1 B1 B1 B1 B2 OV OV B2 B2 B2 B2 B2 PoP 12hr 80 10 0 20 20 QPF 12hr 0.06 0 0 0 0 Snow 12hr 1 00-00 00-00 Flurries C Rain S S S S Snow D L Wind chill -9-10 -7 -5 1 7 10 14 16 17 17 16 22 26 27 22 18 7 0 Min chill -10 -10 -9 2 10 16 16 23 17 0 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 21 6 17 -4 6 -11 3 -9 12 Temp 19 16 12 7 14 13 6 -2 2 0 -6 -10 0 1 -2 -5 7 7 Dewpt 16 14 9 7 12 10 3 -3 -2 -6-10 -14 -5 -4 -6 -8 3 4 PWind dir NW N N NW NW NW NW SW SW Wind char BZ LT GN GN BZ GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 40 40 20 10 5 20 10 5 Snow S C C C S S $$ IAZ035-081000- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 26 22 40 20 Temp 3 6 8 10 16 22 23 25 27 28 27 27 33 37 39 36 35 28 21 Dewpt -1 3 4 7 13 18 21 24 25 26 25 27 32 34 35 34 32 27 21 RH 83 87 83 87 88 84 92 96 92 92 92100 96 89 85 92 89 96100 Wind dir SE SE S S S S S SW SW W W SW S SW SW W W NW NW Wind spd 3 6 8 9 11 12 12 10 10 9 5 6 10 13 18 23 25 25 18 Wind gust 34 35 36 28 Clouds OV OV OV B2 B2 B2 B2 B1 SC B1 B1 B1 B2 OV OV B2 B2 B2 B2 PoP 12hr 60 30 0 10 10 QPF 12hr 0.02 0 0 0 0 Snow 12hr T 00-00 00-00 Flurries Snow C C C Wind chill -5 -6 -4 -3 3 10 12 15 17 19 19 20 25 28 30 24 22 13 6 Min chill -6 -7 -7 5 11 17 18 24 21 5 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 25 10 20 -1 8 -9 5 -7 13 Temp 23 20 15 11 18 16 9 0 5 2 -5 -8 2 3 -1 -3 8 10 Dewpt 19 17 14 11 15 13 6 -1 1 -3 -7 -11 -3 -2 -4 -5 3 6 PWind dir NW NE N NW NW NW NW SW S Wind char GN LT GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 5 40 40 20 10 5 20 10 5 Snow C C C S S $$ IAZ094-081000- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 9 31 27 43 29 Temp 11 11 11 15 24 30 28 30 31 31 30 32 39 43 41 41 41 36 31 Dewpt 4 6 7 11 18 23 24 27 29 29 28 31 35 36 36 36 34 32 29 RH 73 80 83 84 77 75 85 88 92 92 92 96 85 76 82 82 76 85 92 Wind dir E SE SE S S S S SW SW W SW SW SW SW SW SW W NW NW Wind spd 3 3 4 6 9 10 11 11 11 10 6 8 10 12 13 16 18 20 16 Wind gust 24 27 Clouds OV B2 B1 B1 SC SC SC SC SC SC B1 SC B1 B1 B2 B2 B1 B1 B1 PoP 12hr 10 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Wind chill 5 5 3 5 14 21 18 20 22 22 22 25 32 36 34 33 32 25 20 Min chill -3 2 1 16 18 20 22 33 32 19 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 34 20 28 9 17 -1 12 1 21 Temp 33 29 24 21 28 25 17 10 15 10 4 0 9 9 7 5 17 17 Dewpt 25 24 21 21 22 18 13 8 6 1 -2 -4 -1 1 1 1 7 11 PWind dir NW NE NE NW NW NW NW S S Wind char GN LT GN GN GN GN LT LT GN Avg clouds B1 B1 B2 OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 SC SC PoP 12hr 5 30 20 5 10 5 10 5 5 Snow S C S $$ IAZ017-081000- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 -4 21 18 38 18 Temp 3 5 7 10 14 17 18 23 25 26 26 26 31 35 36 35 33 26 19 Dewpt -1 2 4 7 11 14 15 21 24 25 25 26 30 33 33 34 32 26 19 RH 83 87 87 87 88 88 88 92 96 96 96100 96 92 89 96 96100100 Wind dir SE SE S S S S S S SW W W SW S S SW W W NW NW Wind spd 3 5 8 10 11 12 12 13 11 11 8 8 10 13 19 24 26 28 21 Wind gust 24 34 36 39 Clouds OV OV OV OV B2 B2 OV B2 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 PoP 12hr 50 50 0 30 30 QPF 12hr 0.01 0.01 0 0.01 0.02 Snow 12hr T T 00-00 Flurries C Rain C C C C Snow S C C S C Wind chill -5 -6 -6 -4 0 4 5 11 14 15 18 18 22 26 26 23 20 10 3 Min chill -9 -8 -8 1 4 14 16 23 19 2 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 23 6 16 -4 6 -10 2 -9 10 Temp 21 17 12 7 14 12 7 -2 2 0 -6 -10 -1 0 -3 -6 6 6 Dewpt 18 14 11 7 12 8 4 -2 -1 -6 -9 -12 -5 -4 -6 -7 2 3 PWind dir NW NW N NW NW NW NW W SW Wind char BZ LT GN GN BZ GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 PoP 12hr 5 30 40 20 10 5 10 10 5 Snow C C C S $$ IAZ049-081000- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max -9 23 19 39 22 Temp 1 5 7 10 16 19 20 23 27 27 26 27 33 36 38 36 36 30 24 Dewpt -2 2 5 8 12 15 18 22 25 26 26 27 32 33 35 35 34 30 24 RH 87 87 91 91 84 84 92 96 92 96100100 96 89 89 96 92100100 Wind dir NE SE SE S S S S S SW W W SW S S SW W W W NW Wind spd 3 3 4 6 10 10 11 12 11 10 8 8 10 13 18 21 24 25 19 Wind gust 34 29 Clouds OV OV OV B2 B2 B1 B2 B2 B1 B1 B1 B1 B2 B2 OV B2 B1 B2 B2 PoP 12hr 20 20 0 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C Rain S S Snow S S S Wind chill -7 -2 -2 -1 4 7 8 12 17 17 18 20 25 27 29 25 24 17 9 Min chill -24 -6 -5 4 9 15 17 24 24 9 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 27 11 21 1 10 -7 5 -7 13 Temp 25 20 15 12 19 16 9 2 7 3 -3 -7 2 2 -1 -4 9 9 Dewpt 21 18 14 12 17 12 8 2 2 -2 -7 -10 -3 -2 -4 -6 3 5 PWind dir NW N N NW NW NW NW W SW Wind char BZ LT GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 5 30 40 20 10 5 10 10 5 Snow C C C S $$ IAZ086-081000- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 926 PM CST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 1 28 23 42 28 Temp 6 9 11 13 21 26 24 27 30 31 31 31 36 40 41 40 41 36 30 Dewpt 1 5 7 10 14 19 21 24 27 28 29 31 34 35 36 36 36 34 30 RH 79 83 83 87 74 74 88 88 88 88 92100 92 82 82 85 82 92100 Wind dir NE E SE S S S S S SW SW W SW SW SW SW SW W W NW Wind spd 2 3 3 5 6 9 10 11 11 11 9 9 10 13 17 20 20 23 19 Wind gust 24 34 34 Clouds B2 OV OV B2 B2 B1 B1 B2 B1 SC B1 B1 B1 B2 OV B2 B2 B2 B2 PoP 12hr 10 10 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C Wind chill 5 4 11 17 15 17 20 21 23 23 29 32 32 30 31 24 17 Min chill -12 0 1 12 12 19 21 29 29 16 Date 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 34 17 26 8 15 -3 10 -2 18 Temp 31 26 22 18 25 22 15 9 13 9 2 -2 7 8 4 2 14 16 Dewpt 24 22 18 18 20 17 10 7 5 1 -3 -6 -2 0 -1 -2 5 8 PWind dir NW N NE NW NW NW NW W SW Wind char BZ LT GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 5 30 40 10 10 5 10 10 5 Snow C C S $$