National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Grand Coulee Dam Airport
Metric (Imperial)
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
22 01:15 N 13 G 24 16.09 Mostly Cloudy BKN110 22 4 31% 76.12 0.0
22 00:55 N 19 G 30 16.09 Overcast OVC110 22 4 31% 76.1 0.0
22 00:35 N 19 G 31 16.09 Mostly Cloudy BKN110 22 3 29% 76.1 0.0
22 00:15 N 15 G 28 16.09 Partly Cloudy SCT120 22 3 29% 76.1 0.0
21 23:50 N 15 16.09 A Few Clouds FEW095 FEW120 22 4 31% 76.1 0.0
21 23:35 N 13 16.09 Mostly Cloudy FEW095 BKN120 22 4 31% 76.07 0.0
21 23:15 N 11 16.09 Mostly Cloudy BKN120 22 5 33% 76.07 0.0
21 22:55 Vrbl 9 16.09 Fair CLR 23 5 31% 76.05 0.0
21 22:35 N 19 16.09 Fair CLR 23 4 29% 76.05 0.0
21 22:15 N 15 16.09 Fair CLR 24 4 27% 25 76.05 0.0
21 21:55 N 13 16.09 Fair CLR 23 4 29% 76.02 0.0
21 21:35 NW 15 16.09 Fair CLR 23 4 29% 76.02 0.0
21 21:15 NW 13 16.09 Fair CLR 23 4 29% 76 0.0
21 20:55 NW 11 16.09 Fair CLR 23 4 29% 76 0.0
21 20:35 NW 13 16.09 Fair CLR 25 4 26% 25 75.97 0.0
21 20:10 NW 15 16.09 Fair CLR 26 4 24% 26 75.97 0.0
21 19:55 NW 15 16.09 Fair CLR 27 4 23% 26 75.95 0.0
21 19:35 NW 15 16.09 Fair CLR 27 3 21% 26 75.95 0.0
21 19:15 N 11 G 22 16.09 Fair CLR 28 3 20% 27 75.95 0.0
21 18:55 NW 17 G 26 16.09 Fair CLR 28 3 20% 27 75.95 0.0
21 18:35 N 13 G 31 16.09 Fair CLR 28 3 20% 27 75.95 0.0
21 18:15 NW 13 G 28 16.09 Fair CLR 28 3 20% 27 75.92 0.0
21 17:55 NW 20 16.09 Fair CLR 29 2 18% 27 75.92 0.0
21 17:35 NW 20 G 35 16.09 Fair CLR 29 2 18% 27 75.95 0.0
21 17:15 Calm 16.09 Fair CLR 29 1 16% 27 75.92 0.0
21 16:55 NW 22 16.09 Fair CLR 29 2 18% 27 75.95 0.0
21 16:30 NW 13 G 30 16.09 Fair CLR 29 2 18% 27 75.95 0.0
21 16:15 NW 19 G 33 16.09 Fair CLR 29 2 18% 27 75.95 0.0
21 15:55 NW 20 G 30 16.09 A Few Clouds FEW110 29 2 18% 27 75.97 0.0
21 15:35 W 19 G 28 16.09 A Few Clouds FEW110 29 3 19% 27 75.95 0.0
21 15:15 Vrbl 9 G 20 16.09 Fair CLR 29 3 19% 27 75.97 0.0
21 14:55 Vrbl 9 16.09 A Few Clouds FEW095 28 3 20% 27 76 0.0
21 14:35 Calm 16.09 Partly Cloudy SCT095 27 4 23% 26 76 0.0
21 14:15 Calm 16.09 Partly Cloudy SCT090 27 4 23% 26 76.02 0.0
21 13:55 NE 11 16.09 Mostly Cloudy BKN090 27 5 24% 26 76.02 0.0
21 13:35 Vrbl 6 14.48 A Few Clouds FEW090 27 4 23% 26 76.02 0.0
21 13:15 Vrbl 9 G 24 16.09 A Few Clouds FEW090 27 4 23% 26 76.05 0.0
21 12:50 Vrbl 7 G 19 16.09 A Few Clouds FEW090 27 4 23% 26 76.05 0.0
21 12:35 Vrbl 7 G 20 16.09 Fair CLR 26 5 26% 26 76.07 0.0
21 12:15 Vrbl 7 16.09 Fair CLR 25 4 26% 25 76.07 0.0
21 11:55 Vrbl 11 16.09 Fair CLR 25 4 26% 25 76.1 0.0
21 11:35 Vrbl 7 16.09 Fair CLR 25 4 26% 25 76.1 0.0
21 11:15 Vrbl 11 16.09 Fair CLR 24 4 27% 25 76.1 0.0
21 10:55 NE 13 16.09 Fair CLR 24 5 29% 25 76.1 0.0
21 10:35 Calm 16.09 Fair CLR 24 5 29% 25 76.12 0.0
21 10:15 N 9 16.09 Fair CLR 23 5 31% 76.12 0.0
21 09:55 Vrbl 9 16.09 Fair CLR 23 6 33% 76.12 0.0
21 09:35 Calm 16.09 Fair CLR 22 6 36% 76.12 0.0
21 09:10 N 13 16.09 Fair CLR 22 6 36% 76.12 0.0
21 08:55 NE 11 16.09 Fair CLR 22 6 36% 76.12 0.0
21 08:35 NE 15 16.09 Fair CLR 21 6 38% 76.12 0.0
21 08:15 N 13 16.09 Fair CLR 21 7 40% 76.12 0.0
21 07:55 N 11 16.09 Fair CLR 20 6 40% 76.12 0.0
21 07:35 Vrbl 9 16.09 Fair CLR 20 6 40% 76.12 0.0
21 07:15 NE 9 16.09 Fair CLR 20 6 40% 76.12 0.0
21 06:55 NE 6 16.09 Fair CLR 19 6 43% 76.12 0.0
21 06:35 NE 7 16.09 Fair CLR 18 7 49% 76.12 0.0
21 06:15 NW 6 16.09 Fair CLR 16 7 55% 76.1 0.0
21 05:55 Calm 16.09 Fair CLR 16 6 52% 76.1 0.0
21 05:30 Calm 16.09 Fair CLR 13 4 55% 76.07 0.0
21 05:15 E 6 16.09 Fair CLR 13 4 55% 76.07 0.0
21 04:55 Calm 16.09 Fair CLR 13 5 59% 76.05 0.0
21 04:35 W 7 16.09 Fair CLR 14 5 55% 76.05 0.0
21 04:15 Calm 16.09 Fair CLR 15 5 51% 76.02 0.0
21 03:55 N 7 16.09 Fair CLR 16 7 55% 76.02 0.0
21 03:35 N 11 16.09 Fair CLR 18 6 46% 76 0.0
21 03:15 N 9 16.09 Fair CLR 16 6 52% 76 0.0
21 02:55 Calm 16.09 Fair CLR 17 6 49% 75.97 0.0
21 02:35 N 7 16.09 Fair CLR 19 6 43% 75.95 0.0
21 02:15 N 9 16.09 Fair CLR 19 5 40% 75.95 0.0
21 01:55 N 11 16.09 Fair CLR 19 5 40% 75.92 0.0
21 01:35 N 9 G 20 16.09 Fair CLR 20 5 38% 75.92 0.0
21 01:15 N 11 G 26 16.09 A Few Clouds FEW110 20 4 35% 75.92 0.0
21 00:55 N 11 G 28 16.09 A Few Clouds FEW110 21 4 33% 75.9 0.0
21 00:35 N 17 G 30 16.09 Fair CLR 21 4 33% 75.9 0.0
21 00:15 NE 20 G 33 16.09 Fair CLR 21 4 33% 75.9 0.0
20 23:55 NE 15 G 26 16.09 Fair CLR 22 3 29% 75.87 0.0
20 23:35 N 15 G 28 16.09 Fair CLR 22 3 29% 75.84 0.0
20 23:15 N 17 16.09 Fair CLR 22 3 29% 75.82 0.0
20 22:55 N 22 G 39 16.09 Fair CLR 23 3 27% 75.79 0.0
20 22:35 NE 19 G 31 16.09 Fair CLR 23 4 29% 75.79 0.0
20 22:10 NE 20 G 39 16.09 Fair CLR 24 3 25% 25 75.77 0.0
20 21:55 N 20 G 37 16.09 A Few Clouds FEW120 25 3 24% 25 75.74 0.0
20 21:35 N 22 16.09 Fair CLR 25 4 26% 25 75.72 0.0
20 21:15 N 24 G 33 16.09 Fair CLR 25 3 24% 25 75.69 0.0
20 20:55 N 22 16.09 Fair CLR 25 4 26% 25 75.67 0.0
20 20:35 N 20 G 37 16.09 Fair CLR 26 4 24% 26 75.64 0.0
20 20:15 N 19 16.09 Fair CLR 27 4 23% 26 75.62 0.0
20 19:55 N 17 16.09 Fair CLR 28 4 21% 27 75.59 0.0
20 19:35 Vrbl 11 G 26 16.09 Fair CLR 28 4 21% 27 75.59 0.0
20 19:15 N 20 16.09 Fair CLR 28 4 21% 27 75.57 0.0
20 18:55 NW 13 G 30 16.09 Fair CLR 29 4 20% 27 75.54 0.0
20 18:35 Vrbl 9 G 20 16.09 Fair CLR 29 4 20% 27 75.54 0.0
20 18:15 N 11 16.09 Fair CLR 29 3 19% 27 75.54 0.0
20 17:55 N 17 16.09 Fair CLR 30 4 19% 28 75.54 0.0
20 17:35 N 15 16.09 Fair CLR 30 4 19% 28 75.54 0.0
20 17:15 N 17 16.09 Fair CLR 30 4 19% 28 75.54 0.0
20 16:55 Vrbl 7 G 28 16.09 Fair CLR 30 3 18% 28 75.54 0.0
20 16:35 NW 17 G 26 16.09 Fair CLR 31 4 18% 29 75.54 0.0
20 16:15 W 13 16.09 Fair CLR 30 3 18% 28 75.57 0.0
20 15:55 Vrbl 7 G 22 16.09 Fair CLR 30 3 18% 28 75.57 0.0
20 15:35 W 17 16.09 Fair CLR 30 4 19% 28 75.57 0.0
20 15:15 NW 13 16.09 Fair CLR 30 3 18% 28 75.59 0.0
20 14:55 Vrbl 9 16.09 Fair CLR 29 3 19% 27 75.59 0.0
20 14:35 N 17 G 31 16.09 Fair CLR 29 3 19% 27 75.59 0.0
20 14:15 NW 11 16.09 Fair CLR 30 3 18% 28 75.59 0.0
20 13:55 W 19 G 30 16.09 Fair CLR 29 1 16% 27 75.59 0.0
20 13:35 W 17 G 30 16.09 Fair CLR 29 2 18% 27 75.59 0.0
20 13:15 NW 17 G 30 16.09 Fair CLR 29 2 18% 27 75.59 0.0
20 12:55 W 19 G 30 16.09 Fair CLR 29 1 16% 27 75.59 0.0
20 12:35 NW 13 G 33 16.09 Fair CLR 29 0 15% 27 75.59 0.0
20 12:15 NW 17 G 28 16.09 Fair CLR 29 1 16% 27 75.59 0.0
20 11:55 NW 20 16.09 Fair CLR 29 2 18% 27 75.59 0.0
20 11:35 W 15 16.09 Fair CLR 28 3 20% 27 75.57 0.0
20 11:15 NW 17 G 30 16.09 Fair CLR 27 3 21% 26 75.59 0.0
20 10:55 W 13 G 24 16.09 Fair CLR 27 3 21% 26 75.59 0.0
20 10:35 NW 17 16.09 Fair CLR 27 4 23% 26 75.59 0.0
20 10:15 Vrbl 6 16.09 Fair CLR 26 3 23% 26 75.57 0.0
20 09:55 Vrbl 9 16.09 Fair CLR 26 4 24% 26 75.59 0.0
20 09:35 Vrbl 9 16.09 Fair CLR 26 4 24% 26 75.59 0.0
20 09:15 NE 15 16.09 Fair CLR 25 4 26% 25 75.59 0.0
20 08:55 NE 13 G 24 16.09 Fair CLR 26 4 24% 26 75.59 0.0
20 08:35 N 15 16.09 Fair CLR 25 4 26% 25 75.59 0.0
20 08:15 N 17 16.09 Fair CLR 24 5 29% 25 75.57 0.0
20 07:55 N 13 16.09 Fair CLR 24 5 29% 25 75.57 0.0
20 07:30 Vrbl 6 16.09 Fair CLR 23 5 31% 75.57 0.0
20 07:15 Calm 16.09 Fair CLR 23 5 31% 75.57 0.0
20 06:55 Calm 16.09 Fair CLR 22 5 33% 75.54 0.0
20 06:35 Calm 16.09 Fair CLR 22 6 36% 75.54 0.0
20 06:15 Calm 16.09 Fair CLR 20 7 43% 75.51 0.0
20 05:55 Calm 16.09 Fair CLR 18 7 49% 75.49 0.0
20 05:35 Calm 16.09 Fair CLR 18 7 49% 75.49 0.0
20 05:15 Vrbl 7 16.09 Fair CLR 19 6 43% 75.49 0.0
20 04:55 Vrbl 7 16.09 Fair CLR 19 8 49% 75.49 0.0
20 04:35 Calm 16.09 Fair CLR 18 7 49% 75.49 0.0
20 04:15 E 6 16.09 Fair CLR 16 8 59% 75.49 0.0
20 03:55 SW 17 16.09 Fair CLR 18 7 49% 75.46 0.0
20 03:35 S 7 16.09 Fair CLR 17 6 49% 75.49 0.0
20 03:15 Calm 16.09 Fair CLR 18 6 46% 75.46 0.0
20 02:55 Calm 16.09 Fair CLR 17 8 56% 75.46 0.0
20 02:35 SW 7 16.09 Fair CLR 19 6 43% 75.46 0.0
20 02:15 SW 7 16.09 Fair CLR 18 5 43% 75.46 0.0
20 01:55 Calm 16.09 Fair CLR 19 7 46% 75.46 0.0
20 01:35 Vrbl 9 16.09 Fair CLR 22 5 33% 75.46 0.0
20 01:15 SW 7 16.09 Fair CLR 21 5 35% 75.46 0.0
20 00:55 Calm 16.09 Fair CLR 22 6 36% 75.49 0.0
20 00:15 SW 15 16.09 Fair CLR 24 6 31% 25 75.49 0.0
19 23:55 SW 17 16.09 Fair CLR 25 6 30% 25 75.49 0.0
19 23:35 SW 19 16.09 Fair CLR 25 6 30% 25 75.49 0.0
19 23:15 SW 15 16.09 Fair CLR 25 8 34% 26 75.51 0.0
19 22:55 SW 19 16.09 Fair CLR 26 8 32% 26 75.51 0.0
19 22:35 SW 13 16.09 Fair CLR 25 9 36% 26 75.49 0.0
19 22:15 Calm 16.09 Fair CLR 23 7 36% 75.49 0.0
19 21:55 Calm 16.09 Fair CLR 25 7 32% 25 75.49 0.0
19 21:35 SW 6 16.09 Fair CLR 24 8 36% 25 75.49 0.0
19 21:15 Calm 16.09 Fair CLR 26 7 30% 26 75.46 0.0
19 20:55 SW 7 16.09 Fair CLR 26 6 28% 26 75.46 0.0
19 20:30 SW 11 16.09 Fair CLR 29 5 22% 28 75.46 0.0
19 20:15 SW 13 16.09 Fair CLR 29 6 23% 28 75.46 0.0
19 19:55 SW 15 16.09 Fair CLR 30 5 20% 28 75.46 0.0
19 19:35 SW 15 16.09 Fair CLR 30 5 20% 28 75.46 0.0
19 19:15 SW 17 16.09 Fair CLR 31 4 18% 29 75.46 0.0
19 18:55 S 13 16.09 Fair CLR 32 3 16% 30 75.46 0.0
19 18:35 S 19 16.09 Fair CLR 32 4 17% 30 75.49 0.0
19 18:15 S 15 16.09 Fair CLR 32 3 16% 30 75.49 0.0
19 17:55 S 13 G 22 16.09 Fair CLR 32 3 16% 30 75.49 0.0
19 17:35 SW 15 16.09 Fair CLR 32 3 16% 30 75.51 0.0
19 17:15 S 13 16.09 Fair CLR 32 3 16% 30 75.54 0.0
19 16:50 Vrbl 11 16.09 Fair CLR 32 2 15% 30 75.57 0.0
19 16:35 W 7 G 19 16.09 Fair CLR 30 3 18% 28 75.59 0.0
19 16:15 Vrbl 9 16.09 Fair CLR 32 3 16% 30 75.59 0.0
19 15:55 Vrbl 7 16.09 Fair CLR 31 3 17% 29 75.62 0.0
19 15:35 Calm 16.09 Fair CLR 31 2 16% 29 75.64 0.0
19 15:15 W 9 16.09 Fair CLR 31 4 18% 29 75.67 0.0
19 14:55 Vrbl 9 16.09 Fair CLR 32 4 17% 30 75.67 0.0
19 14:35 NW 11 14.48 Fair CLR 31 4 18% 29 75.69 0.0
19 14:15 NW 9 16.09 Fair CLR 32 4 17% 30 75.72 0.0
19 13:35 Vrbl 6 16.09 Fair CLR 30 4 19% 28 75.77 0.0
19 13:10 Vrbl 11 16.09 Fair CLR 30 4 19% 28 75.79 0.0
19 12:55 NW 9 16.09 Fair CLR 29 3 19% 27 75.82 0.0
19 12:35 N 9 16.09 Fair CLR 29 3 19% 27 75.84 0.0
19 12:15 Vrbl 9 16.09 Fair CLR 29 3 19% 27 75.87 0.0
19 11:55 Vrbl 9 16.09 Fair CLR 28 2 19% 27 75.87 0.0
19 11:35 NE 9 16.09 Fair CLR 27 4 23% 26 75.9 0.0
19 11:15 Vrbl 9 16.09 Fair CLR 27 4 23% 26 75.92 0.0
19 10:55 N 7 16.09 Fair CLR 26 4 24% 26 75.92 0.0
19 10:35 Calm 16.09 Fair CLR 24 4 27% 25 75.95 0.0
19 10:15 Vrbl 7 16.09 Fair CLR 23 5 31% 75.95 0.0
19 09:55 Vrbl 6 16.09 Fair CLR 23 5 31% 75.97 0.0
19 09:35 Calm 16.09 Fair CLR 22 5 33% 76 0.0
19 09:15 NW 6 16.09 Fair CLR 21 4 33% 76 0.0
19 08:55 N 9 16.09 Fair CLR 21 4 33% 76 0.0
19 08:35 NE 7 16.09 Fair CLR 21 4 33% 76.02 0.0
19 08:15 NE 7 16.09 Fair CLR 19 5 40% 76.02 0.0
19 07:55 NE 9 16.09 Fair CLR 19 7 46% 76.02 0.0
19 07:35 NE 7 16.09 Fair CLR 18 6 46% 76.02 0.0
19 07:15 NE 7 16.09 Fair CLR 18 6 46% 76.05 0.0
19 06:55 NE 7 16.09 Fair CLR 17 7 52% 76.05 0.0
19 06:35 Vrbl 6 16.09 Fair CLR 17 7 52% 76.05 0.0
19 06:15 NE 6 16.09 Fair CLR 16 7 55% 76.02 0.0
19 05:55 NE 7 16.09 Fair CLR 17 7 52% 76.02 0.0
19 05:35 Calm 16.09 Fair CLR 15 6 55% 76.02 0.0
19 05:15 E 6 16.09 Fair CLR 15 6 55% 76.02 0.0
19 04:55 Calm 16.09 Fair CLR 14 5 55% 76.02 0.0
19 04:35 Calm 16.09 Fair CLR 14 6 59% 76.02 0.0
19 04:15 Calm 16.09 Fair CLR 15 6 55% 76.02 0.0
19 03:55 Calm 16.09 Fair CLR 14 4 51% 76.02 0.0
19 03:35 Calm 16.09 Fair CLR 13 4 55% 76.02 0.0
19 03:15 E 7 16.09 Fair CLR 16 5 48% 76.02 0.0
19 02:55 E 6 16.09 Fair CLR 16 5 48% 76.02 0.0
19 02:35 E 6 16.09 Fair CLR 16 5 48% 76.02 0.0
19 02:10 Calm 16.09 Fair CLR 16 7 55% 76.02 0.0
19 01:55 Calm 16.09 Fair CLR 16 6 52% 76.02 0.0
19 01:35 Calm 16.09 Fair CLR 15 3 45% 76.02 0.0
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)