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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.

Clear

55°F

13°C

Humidity 32%
Wind Speed SSW 8 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 07:00 PM PDT
Extended Forecast for

3 Miles ENE Paterson WA

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, clear, with a low around 33. Southwest wind 5 to 13 mph.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 11am. Otherwise, sunny, with a high near 59. South wind 3 to 5 mph.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 45. South wind 3 to 5 mph.

    Low: 45 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, clear, with a low around 33. Southwest wind 5 to 13 mph.
Sunday
Areas of frost before 11am. Otherwise, sunny, with a high near 59. South wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 37. Light and variable wind.
Monday
Partly sunny, with a high near 61. Light and variable wind.
Monday Night
Cloudy, with a low around 45. South wind 3 to 5 mph.
Tuesday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Paterson WA
 45.95°N 119.53°W (Elev. 528 ft)
Last Update:
4:15 pm PDT Mar 21, 2026
Forecast Valid:
7pm PDT Mar 21, 2026-6pm PDT Mar 28, 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