Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

84°F

29°C

Humidity 26%
Wind Speed NNW 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 02:35 PM PDT
Extended Forecast for

6 Miles S Montague CA

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly between 3pm and 5pm, then a slight chance of rain and thunderstorms after 5pm.  Mostly sunny, with a steady temperature around 83. Light and variable wind becoming southwest 5 to 7 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95. Light north wind.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly between 3pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly sunny, with a steady temperature around 83. Light and variable wind becoming southwest 5 to 7 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 52. Southeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 89. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 53. North wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 95. Light north wind.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Montague CA
 41.65°N 122.54°W (Elev. 2664 ft)
12:36 pm PDT Jun 20, 2026
2pm PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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