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

70°F

21°C

Humidity 26%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Apr 08:15 PM PDT
Extended Forecast for

Moses Lake WA

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North wind 5 to 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. North wind around 6 mph becoming south in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. South wind around 6 mph becoming north after midnight.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. North wind 5 to 9 mph becoming southwest in the afternoon.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. North wind 5 to 7 mph.
Monday
Partly sunny, with a high near 81. North wind around 6 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 50. South wind around 6 mph becoming north after midnight.
Tuesday
Partly sunny, with a high near 78. North wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 68.
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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:
3:36 pm PDT Apr 19, 2026
Forecast Valid:
8pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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