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

Significant Flood Threat Continues For South-Central U.S.

A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for large part of the ArkLaTex. Today's concern extends from the Louisiana and extreme Upper Texas Gulf Coast to northeastern Texas and southeastern Oklahoma before shifting to all of eastern Texas on Wednesday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194ft.

Mostly Clear

12°C

54°F

Humidity 66%
Wind Speed SW 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 18 May 09:25 AM PDT
Extended Forecast for

Hillsboro OR

  • Today

    Today: A 50 percent chance of showers. Partly sunny, with a high near 16. West wind 11 to 16 km/h.

    Chance
    Showers

    High: 16 °C

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 4. West northwest wind 13 to 18 km/h decreasing to 5 to 10 km/h after midnight.

    Slight Chance
    Showers

    Low: 4 °C

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce small hail. Partly sunny, with a high near 16. Light northwest wind increasing to 9 to 14 km/h in the afternoon. Chance of precipitation is 60%.

    Showers
    Likely

    High: 16 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm. Some of the storms could produce small hail. Partly cloudy, with a low around 3. West northwest wind 18 to 23 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 32 km/h.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 3 °C

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 17. Light west northwest wind becoming northwest 6 to 11 km/h in the afternoon.

    Chance
    Showers

    High: 17 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 5.

    Slight Chance
    Showers

    Low: 5 °C

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 21.

    Slight Chance
    Showers

    High: 21 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 6.

    Mostly Clear

    Low: 6 °C

  • Saturday

    Saturday: Sunny, with a high near 23.

    Sunny

    High: 23 °C

Detailed Forecast

Today
A 50 percent chance of showers. Partly sunny, with a high near 16. West wind 11 to 16 km/h.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 4. West northwest wind 13 to 18 km/h decreasing to 5 to 10 km/h after midnight.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce small hail. Partly sunny, with a high near 16. Light northwest wind increasing to 9 to 14 km/h in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Some of the storms could produce small hail. Partly cloudy, with a low around 3. West northwest wind 18 to 23 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 32 km/h.
Thursday
A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 17. Light west northwest wind becoming northwest 6 to 11 km/h in the afternoon.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 5.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 6.
Saturday
Sunny, with a high near 23.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 8.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 21.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 7.
Monday
A slight chance of showers. Partly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 59 m)
Last Update:
10:02 am PDT May 18, 2021
Forecast Valid:
10am PDT May 18, 2021-6pm PDT May 24, 2021
 
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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