Critical Fire Weather in the Plains; Severe Thunderstorms and Heavy Rain in the Mid-South

Gusty winds and low relative humidity will bring fire weather concerns over parts of the central and southern High Plains. Severe thunderstorms and heavy rain are expected across the Mid-South region and central Gulf states. Above average temperatures are expected across much of the country, and numerous daily record-tying/breaking highs will be possible. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

52°F

11°C

Humidity 25%
Wind Speed W 14 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 09 Mar 02:55 PM PDT
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 58. Southwest wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 46. Southwest wind 18 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely.  Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. West wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 51. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 58. Southwest wind 9 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Southwest wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 62.
Friday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A chance of rain before 11am. Mostly sunny, with a high near 58.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain and snow. Cloudy, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
2:30 pm PDT Mar 9, 2026
3pm PDT Mar 9, 2026-6pm PDT Mar 16, 2026
 
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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