Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

Prosser WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 53. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. East wind around 6 mph becoming west after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. West wind around 5 mph becoming light and variable.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 11am.  High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 11am.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. West wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 53. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 31. East wind around 6 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 55. West wind around 5 mph becoming light and variable.
Tuesday Night
Mostly cloudy, with a low around 39. South wind 3 to 5 mph.
Wednesday
Rain, mainly after 11am. High near 54. Chance of precipitation is 80%.
Wednesday Night
Rain, mainly before 11pm. Low around 35. Chance of precipitation is 80%.
Thursday
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
1:46 am PDT Mar 30, 2026
2am PDT Mar 30, 2026-6pm PDT Apr 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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