Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
988 FOUS53 KDMX 011221 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 621 AM CST Mon Dec 1 2025 IAZ060-012200- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 23 9 29 23 30 Temp 16 20 23 20 16 15 14 10 15 24 28 26 26 25 28 29 30 28 23 17 Dewpt 15 18 20 18 15 14 11 9 12 19 22 22 25 25 26 27 29 25 19 13 RH 96 92 88 92 96 96 88 96 88 81 78 85 96100 92 92 96 88 84 84 Wind dir E S SW SW SW SW SW SW SW S S S S SW SW W NW NW N N Wind spd 4 4 4 3 4 4 4 4 5 5 8 8 9 9 8 5 9 12 13 11 Clouds OV OV OV OV B2 B1 B1 B1 B1 SC B1 B2 B2 B2 B2 OV B2 B2 B2 B1 PoP 12hr 80 10 0 5 20 QPF 12hr 0.06 0 0 0 0 Snow 12hr 1 00-00 00-00 Flurries C Snow S D C S S S S Wind chill 9 14 16 14 10 8 7 2 7 17 20 17 17 15 20 22 22 18 11 5 Min chill 7 7 11 6 0 -1 15 14 16 17 4 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 -13 11 3 28 16 31 11 20 Temp 5 -10 5 8 8 14 26 25 20 17 29 29 24 13 17 14 Dewpt 2 -10 0 3 6 11 22 22 20 17 26 25 22 13 14 9 PWind dir NW SW S SW W S NW NW Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW FW FW FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 PoP 12hr 0 0 0 10 0 10 10 10 $$ IAZ039-012200- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 21 9 25 18 28 Temp 15 19 21 18 14 12 12 10 16 22 24 20 21 20 24 27 27 25 21 15 Dewpt 13 17 18 16 12 11 10 10 13 17 18 17 20 20 24 26 26 21 16 10 RH 92 92 88 92 92 96 91100 88 81 77 88 96100100 96 96 84 81 80 Wind dir SE S S S SW W W SW S SW S S S SW SW W NW NW NW NW Wind spd 3 5 5 5 4 4 4 4 5 9 10 9 9 9 8 8 10 13 14 13 Clouds OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 OV OV OV B2 B2 B2 B1 PoP 12hr 50 10 0 10 20 QPF 12hr 0.02 0 0 0 0 Snow 12hr T 00-00 00-00 Flurries C C Snow C C S S Wind chill 9 11 12 11 7 4 4 3 7 12 15 9 10 9 15 19 18 13 8 0 Min chill 7 7 10 3 0 -1 9 7 9 13 -1 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max -14 7 -2 25 14 28 9 18 Temp 4 -11 2 3 3 8 22 23 19 15 26 25 21 11 17 11 Dewpt 1 -11 -2 -1 2 6 18 20 19 15 23 22 20 11 13 7 PWind dir NW SW S S SW S NW NW Wind char GN LT GN GN LT GN LT GN Avg clouds SC FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 0 10 5 20 10 10 Snow S $$ IAZ048-012200- Ames-Story IA 41.99N 93.62W Elev. 936 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 21 8 27 20 29 Temp 15 20 21 18 15 13 12 9 12 21 26 23 23 22 26 27 29 26 20 14 Dewpt 14 17 19 17 14 13 11 9 12 17 21 21 23 22 26 27 28 23 18 11 RH 96 88 92 96 96100 96100100 84 81 92100100100100 96 88 92 88 Wind dir SE S SW S SW SW SW SW SW S S S S SW SW W NW N N N Wind spd 3 5 5 4 4 3 3 3 4 6 8 9 6 6 5 5 10 13 13 11 Wind gust 24 Clouds OV OV OV B2 B2 B1 B1 B1 B1 SC B1 B2 B2 B2 OV OV B2 B2 B2 B1 PoP 12hr 50 10 0 10 20 QPF 12hr 0.03 0 0 0 0 Snow 12hr 1 00-00 00-00 Snow S C C S S S S Wind chill 9 12 13 11 8 7 6 4 12 18 13 15 14 19 20 21 15 7 0 Min chill 8 8 9 4 1 -1 12 12 14 13 0 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 -15 9 1 27 14 29 8 18 Temp 2 -12 3 6 6 13 24 24 19 15 28 27 21 10 16 11 Dewpt 1 -12 0 3 6 11 23 22 19 15 26 25 21 10 14 8 PWind dir NW SW S SW W S NW NW Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 0 5 5 5 10 10 10 $$ IAZ004-012200- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 19 5 25 15 23 Temp 10 17 19 16 13 11 8 6 9 19 24 22 20 17 24 23 18 17 13 5 Dewpt 7 15 16 13 12 10 7 3 7 15 19 19 20 17 24 21 16 13 8 3 RH 87 92 88 88 96 96 96 87 91 84 81 88100100100 92 92 84 80 91 Wind dir S S SW SW SW SW SW W SW SW S S SW W W NW N N N NW Wind spd 9 12 11 9 8 6 5 5 6 10 11 11 10 9 10 13 17 19 18 12 Clouds OV OV B2 OV B2 B1 SC SC SC SC B1 B2 B2 OV B2 OV B2 B1 SC SC PoP 12hr 10 0 0 30 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Flurries C C Snow C C Wind chill -3 4 7 4 2 1 -2 -4 -2 7 13 10 9 6 14 11 3 1 -4-12 Min chill -6 -6 3 -1 -5 -7 9 6 8 0 -12 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max -15 12 6 27 14 26 2 13 Temp -4 -13 6 11 12 17 25 23 20 15 25 23 15 4 10 6 Dewpt -6 -13 2 7 12 14 24 22 20 15 23 20 13 4 8 4 PWind dir NW SW SW SW W SE N NW Wind char GN GN GN GN GN GN GN GN Avg clouds SC FW FW SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 0 10 5 20 10 10 Snow S S $$ IAZ035-012200- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 20 6 26 18 28 Temp 14 18 20 16 14 13 11 7 9 18 23 25 22 20 24 27 25 22 17 10 Dewpt 12 16 17 15 13 11 9 7 7 15 19 19 22 20 24 26 23 17 13 7 RH 92 92 88 96 96 91 91100 91 88 84 78100100100 96 92 81 84 87 Wind dir S S S S SW SW SW SW SW S S S S SW W NW NW N N NW Wind spd 4 8 6 5 4 4 4 4 4 6 9 9 8 5 5 8 11 14 14 11 Clouds OV OV OV OV B2 B1 B1 B1 B1 SC B1 B2 OV OV OV OV B2 B2 B2 SC PoP 12hr 20 5 0 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C Snow S S S Wind chill 6 8 11 7 6 5 3 -1 1 9 13 16 13 12 17 19 14 9 3 -4 Min chill 6 5 7 4 -2 -3 10 11 12 9 -5 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 -16 10 3 27 14 28 5 16 Temp -1 -14 4 8 9 14 25 24 19 15 26 26 18 7 13 9 Dewpt -4 -14 0 4 9 12 23 22 19 15 25 23 17 7 11 6 PWind dir NW SW S SW W S NW N Wind char LT LT GN LT LT LT LT GN Avg clouds SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 0 0 5 0 20 10 10 Snow S $$ IAZ094-012200- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 23 10 30 23 31 Temp 18 21 23 20 17 16 14 12 15 24 29 26 25 25 27 28 30 30 26 19 Dewpt 17 20 20 18 16 15 13 12 15 20 24 24 25 25 26 27 29 30 24 16 RH 96 96 88 92 96 96 96100100 84 81 92100100 96 96 96100 92 88 Wind dir E S SW SW W W W SW SW S S S S SW SW SW W N N N Wind spd 3 3 3 2 3 4 4 5 5 5 8 8 9 9 8 5 6 10 11 10 Clouds OV OV OV OV B2 B1 B1 B1 B1 SC SC B1 B1 B2 OV OV B2 B2 B2 B2 PoP 12hr 100 10 0 0 20 QPF 12hr 0.13 0 0 0 0 Snow 12hr 2 00-00 00-00 Flurries C Snow L D L S S S S Wind chill 9 7 4 6 17 21 18 16 16 19 21 23 21 15 7 Min chill 14 12 16 7 3 2 18 14 15 20 6 Winter Weath Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max -10 11 2 29 18 31 12 21 Temp 8 -7 6 7 8 14 27 26 21 19 30 29 24 14 19 16 Dewpt 7 -7 2 3 8 12 23 23 21 19 28 27 24 14 17 12 PWind dir N SW S SW SW S NW NW Wind char GN LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 5 10 5 5 5 10 $$ IAZ017-012200- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 19 8 23 15 26 Temp 14 17 18 15 12 11 11 10 12 17 20 22 20 17 23 25 22 20 16 10 Dewpt 12 15 16 13 11 10 9 9 11 15 16 16 20 17 23 25 21 17 13 6 RH 92 92 92 92 96 96 91 96 96 92 84 77100100100100 96 88 88 83 Wind dir S S SW SW SW SW SW SW SW SW S S S SW W NW NW NW NW NW Wind spd 6 8 8 5 5 4 4 4 5 6 9 9 9 8 8 9 12 16 14 11 Wind gust 25 Clouds OV OV OV B2 B2 B2 B1 B2 B1 SC B1 B2 B2 B2 OV OV B2 B2 B1 SC PoP 12hr 20 10 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C C Snow S S S S S Wind chill 4 7 9 6 3 3 3 2 3 7 9 12 9 8 15 16 10 6 1 -5 Min chill 1 2 5 1 0 -1 7 7 9 5 -6 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 -15 8 1 25 13 27 4 14 Temp 0 -12 3 5 6 12 22 23 18 14 24 24 17 6 11 7 Dewpt -4 -12 0 2 6 11 21 21 18 14 23 21 15 6 10 4 PWind dir NW SW S SW W SE N NW Wind char LT LT GN GN LT LT LT GN Avg clouds SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 0 10 5 20 10 10 Snow S S $$ IAZ049-012200- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 20 8 26 18 28 Temp 15 19 20 17 14 13 12 10 14 20 24 22 22 20 24 26 28 26 21 15 Dewpt 14 17 18 16 13 12 11 10 12 17 19 19 22 20 24 26 27 23 17 11 RH 96 92 92 96 96 96 96100 92 88 81 88100100100100 96 88 84 84 Wind dir S S SW SW SW W W SW SW SW S S S SW SW W NW NW N NW Wind spd 2 5 5 4 4 4 4 4 5 6 9 9 9 9 8 6 9 13 14 11 Clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 B1 PoP 12hr 60 10 0 10 20 QPF 12hr 0.04 0 0 0 0 Snow 12hr 1 00-00 00-00 Flurries C C Snow L C S S S S Wind chill 11 12 7 5 5 3 5 10 15 12 12 10 16 19 19 14 7 1 Min chill 14 9 9 4 0 -1 8 9 11 13 0 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max -15 7 -2 26 13 29 8 18 Temp 2 -12 2 4 3 10 22 23 18 14 26 26 21 10 15 11 Dewpt -1 -12 -1 0 3 7 20 21 18 14 25 23 20 10 14 7 PWind dir NW SW S SW SW S NW NW Wind char LT LT GN GN LT LT LT GN Avg clouds SC FW FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 0 0 10 5 10 10 10 $$ IAZ086-012200- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 621 AM CST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 24 10 29 21 31 Temp 19 22 23 21 18 15 14 11 16 24 28 25 24 23 26 28 30 31 27 20 Dewpt 18 20 22 20 17 15 12 11 16 21 23 22 23 23 26 27 29 29 24 17 RH 96 92 96 96 96100 92100100 88 81 88 96100100 96 96 92 88 88 Wind dir S S S SW W W W W SW SW S S S S SW SW W NW NW NW Wind spd 1 4 3 2 4 5 5 4 5 8 8 8 9 9 10 8 9 10 12 11 Clouds OV OV OV OV OV B1 B1 B1 B1 B1 SC B1 B2 B2 B2 OV B2 B2 B2 B2 PoP 12hr 100 30 0 0 30 QPF 12hr 0.13 0 0 0 0 Snow 12hr 2 00-00 00-00 Flurries C Snow S D D C S S C C Wind chill 16 12 7 5 3 8 16 20 16 15 13 17 20 22 22 16 8 Min chill 19 13 16 6 2 0 14 12 14 19 7 Winter Weath Y Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 -10 10 -1 29 16 32 12 23 Temp 8 -7 5 5 5 10 26 26 22 17 29 29 26 15 21 17 Dewpt 5 -7 1 3 4 8 21 22 21 17 26 26 24 15 17 12 PWind dir NW W S SW SW S W NW Wind char GN LT LT LT LT LT LT GN Avg clouds B1 SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 PoP 12hr 0 0 5 10 5 10 10 10 $$