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

66°F

19°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 02:53 AM PDT
Extended Forecast for

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 steady temperature around 66. Light north wind.

    Low: 66 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 90. Light and variable wind becoming south 6 to 11 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm  after midnight.

    Low: 59 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. South wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 66. Light north wind.
Juneteenth
A 40 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 90. Light and variable wind becoming south 6 to 11 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. South wind 5 to 9 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 54.
Monday
Sunny and hot, with a high near 96.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.74°N 122.53°W (Elev. 2589 ft)
11:26 pm PDT Jun 18, 2026
3am 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