Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains
An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >
Hazardous Weather Conditions
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
Grandview WA
Tonight
Low: 52 °F
Mostly Cloudy
Friday
High: 74 °F
Partly Sunny
Friday Night
Low: 48 °F
Cloudy
Saturday
High: 61 °F
Decreasing
CloudsSaturday Night
Low: 32 °F
Mostly Clear
Sunday
High: 58 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Cloudy
Monday
High: 60 °F
Mostly Cloudy
Monday Night
Low: 42 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 52. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 74. West wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
Cloudy, with a low around 48. West wind 6 to 14 mph, with gusts as high as 24 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 61. West wind around 7 mph.
Saturday Night
Mostly clear, with a low around 32. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grandview WA
46.25°N 119.89°W (Elev. 827 ft)
46.25°N 119.89°W (Elev. 827 ft)
4:15 pm PDT Mar 19, 2026
6pm PDT Mar 19, 2026-6pm PDT Mar 26, 2026
Additional Resources
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Hourly Weather Forecast
