National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grant County Airport (KMWH)

Lat: 47.19299°NLon: 119.31451°WElev: 1168.0ft.

Clear

63°F

17°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 May 11:00 PM PDT
Extended Forecast for

Moses Lake WA

  • Tonight

    Tonight: Mostly clear, with a low around 49. East wind 3 to 6 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. South wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. East wind 3 to 6 mph.
Friday
Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 53. South wind around 6 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 53.
Memorial Day
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 75. Breezy.
Monday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. Breezy.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moses Lake WA
 47.12°N 119.28°W (Elev. 1115 ft)
Last Update:
9:36 pm PDT May 21, 2026
Forecast Valid:
11pm PDT May 21, 2026-6pm PDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation