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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

light rain,mist

52°F

11°C

Humidity 81%
Wind Speed SW 16 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Last update 11 Mar 01:15 PM PDT
Extended Forecast for

Happy Valley OR

Flood Watch March 11, 05:00pm until March 13, 11:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Rain. High near 50. Windy, with a south southwest wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain and
    Windy

  • Tonight

    Tonight: Rain. Steady temperature around 49. Windy, with a south southwest wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 49 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain. High near 48. West wind 6 to 11 mph becoming south in the morning. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 40. Southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain. High near 49. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 38. Chance of precipitation is 100%.

    Low: 38 °F

    Rain

  • Saturday

    Saturday: Rain likely before 8am, then rain and snow likely between 8am and 11am, then a chance of rain after 11am. Snow level 3100 feet lowering to 1700 feet. Partly sunny, with a high near 49. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm, then a slight chance of rain and snow. Snow level 2300 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 8am, then rain likely. Snow level 1700 feet rising to 4700 feet in the afternoon. Cloudy, with a high near 49.

    High: 49 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

This Afternoon
Rain. High near 50. Windy, with a south southwest wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Steady temperature around 49. Windy, with a south southwest wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 48. West wind 6 to 11 mph becoming south in the morning. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain. Low around 40. Southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 49. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday Night
Rain. Low around 38. Chance of precipitation is 100%.
Saturday
Rain likely before 8am, then rain and snow likely between 8am and 11am, then a chance of rain after 11am. Snow level 3100 feet lowering to 1700 feet. Partly sunny, with a high near 49. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain before 11pm, then a slight chance of rain and snow. Snow level 2300 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow before 8am, then rain likely. Snow level 1700 feet rising to 4700 feet in the afternoon. Cloudy, with a high near 49.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Mostly cloudy, with a high near 61.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
12:41 pm PDT Mar 11, 2026
Forecast Valid:
1pm PDT Mar 11, 2026-6pm PDT Mar 17, 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