Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

73°F

23°C

Humidity 38%
Wind Speed NNW 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Jun 11:35 PM PDT
Extended Forecast for

20 Miles NW Yreka CA

Red Flag Warning June 19, 08:00am until June 19, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Mostly clear, with a low around 61. West northwest wind 8 to 11 mph becoming northeast after midnight.

    Low: 61 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Increasing clouds, with a high near 67. West wind 5 to 8 mph becoming light and variable.

    High: 67 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming west after midnight.

    Low: 55 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 65. West northwest wind 6 to 8 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50. North northeast wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. West northwest wind 8 to 11 mph becoming northeast after midnight.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 67. West wind 5 to 8 mph becoming light and variable.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 65. West northwest wind 6 to 8 mph.
Saturday Night
Clear, with a low around 50. North northeast wind 5 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 68.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 74.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NW Yreka CA
 41.9°N 122.94°W (Elev. 6155 ft)
11:26 pm PDT Jun 18, 2026
11pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
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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