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

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

48°F

9°C

Humidity 81%
Wind Speed NNW 1 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 05 Mar 12:46 PM PST
Extended Forecast for

Onalaska WA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 47. West southwest wind around 5 mph.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 39. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely
    then Rain

  • Friday

    Friday: Rain. High near 48. Light south wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely. Cloudy, with a high near 52. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Rain. High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

  • Monday

    Monday: Rain before 4pm, then rain, possibly mixed with snow. Cloudy, with a high near 44.

    High: 44 °F

    Rain then
    Rain/Snow

Detailed Forecast

This Afternoon
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 47. West southwest wind around 5 mph.
Tonight
Rain, mainly after 11pm. Low around 39. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 48. Light south wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Cloudy, with a high near 52. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain. High near 49. Chance of precipitation is 90%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 34.
Monday
Rain before 4pm, then rain, possibly mixed with snow. Cloudy, with a high near 44.
Monday Night
Rain and snow, becoming all snow after 10pm. Mostly cloudy, with a low around 31.
Tuesday
Rain and snow. Cloudy, with a high near 43.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Wednesday
Rain, possibly mixed with snow. Cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
7:01 am PST Mar 5, 2026
Forecast Valid:
1pm PST Mar 5, 2026-6pm PDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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