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

64°F

18°C

Humidity 27%
Wind Speed SSW 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Apr 03:00 PM PDT
Extended Forecast for

Moses Lake WA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. South wind 5 to 7 mph becoming north after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. North wind around 8 mph becoming east in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. East wind around 6 mph becoming north after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. North wind around 7 mph becoming east in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. South wind around 6 mph becoming north in the evening.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. South wind 5 to 7 mph becoming north after midnight.
Sunday
Mostly sunny, with a high near 77. North wind around 8 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 46. East wind around 6 mph becoming north after midnight.
Monday
Partly sunny, with a high near 81. North wind around 7 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 49. South wind around 6 mph becoming north in the evening.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
A slight chance of rain, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moses Lake WA
 47.12°N 119.31°W (Elev. 1050 ft)
Last Update:
2:06 pm PDT Apr 18, 2026
Forecast Valid:
3pm PDT Apr 18, 2026-6pm PDT Apr 25, 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