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

68°F

20°C

Humidity 46%
Wind Speed SSE 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 Jun 11:53 PM PDT
Extended Forecast for

16 Miles NNE Montague CA

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

    Overnight: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 87. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 57. West southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51. Northwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light and variable wind.
Juneteenth
A 40 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 87. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 51. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 94.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Montague CA
 41.92°N 122.37°W (Elev. 2598 ft)
11:26 pm PDT Jun 18, 2026
12am PDT Jun 19, 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