Hourly Weather Forecast - Mattawa, WA

12 AM
34°F
20%
3mph
WNW
Partly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
31°F
1 AM
34°F
20%
3mph
WNW
Partly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
31°F
2 AM
34°F
20%
3mph
WNW
Mostly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
30°F
3 AM
34°F
20%
4mph
WNW
Mostly Cloudy
Humidity
83%
Feels like
31°F
Dew Point
29°F
4 AM
34°F
20%
4mph
WNW
Cloudy
Humidity
82%
Feels like
30°F
Dew Point
29°F
5 AM
34°F
20%
4mph
WNW
Cloudy
Humidity
82%
Feels like
29°F
Dew Point
29°F
6 AM
34°F
20%
5mph
NW
Cloudy
Humidity
83%
Feels like
29°F
Dew Point
29°F
7 AM
34°F
30%
5mph
NW
30% Chance of Light Rain
Humidity
84%
Feels like
29°F
Dew Point
29°F
7:43 AM
8 AM
34°F
30%
5mph
NW
30% Chance of Light Rain
Humidity
85%
Feels like
30°F
Dew Point
30°F
9 AM
35°F
30%
5mph
NW
30% Chance of Light Rain
Humidity
86%
Feels like
30°F
Dew Point
31°F
10 AM
36°F
30%
5mph
NNW
30% Chance of Light Rain
Humidity
86%
Feels like
31°F
Dew Point
32°F
11 AM
37°F
30%
5mph
NNW
30% Chance of Light Rain
Humidity
85%
Feels like
33°F
Dew Point
33°F
12 PM
38°F
30%
5mph
NNW
30% Chance of Light Rain
Humidity
84%
Feels like
34°F
Dew Point
33°F
1 PM
38°F
30%
5mph
NNW
30% Chance of Light Rain
Humidity
83%
Feels like
35°F
Dew Point
33°F
2 PM
38°F
30%
4mph
NNW
30% Chance of Light Rain
Humidity
83%
Feels like
35°F
Dew Point
34°F
3 PM
38°F
30%
4mph
NNW
30% Chance of Light Rain
Humidity
84%
Feels like
34°F
Dew Point
33°F
4 PM
37°F
30%
4mph
NNW
30% Chance of Light Rain
Humidity
86%
Feels like
34°F
Dew Point
33°F
4:16 PM
5 PM
36°F
30%
4mph
NW
30% Chance Frozen Mix
Humidity
88%
Feels like
33°F
Dew Point
33°F
6 PM
35°F
40%
4mph
NW
40% Chance Frozen Mix
Humidity
90%
Feels like
32°F
Dew Point
33°F
7 PM
35°F
30%
4mph
WNW
30% Chance Frozen Mix
Humidity
91%
Feels like
31°F
Dew Point
32°F
8 PM
34°F
30%
4mph
WNW
30% Chance Frozen Mix
Humidity
91%
Feels like
31°F
Dew Point
32°F
9 PM
34°F
20%
4mph
WNW
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
31°F
10 PM
34°F
30%
4mph
WNW
30% Chance Frozen Mix
Humidity
89%
Feels like
30°F
Dew Point
31°F
11 PM
34°F
30%
4mph
WNW
30% Chance Frozen Mix
Humidity
87%
Feels like
30°F
Dew Point
31°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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