Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

63°F

17°C

Humidity 42%
Wind Speed ENE 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Jun 05:00 AM PDT
Extended Forecast for

10 Miles NNE Montague CA

Heat Advisory June 15, 05:17am until June 16, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 15, 05:17am until June 16, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 60. North northwest wind 10 to 15 mph becoming light northwest  after midnight. Winds could gust as high as 23 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds and hot, with a high near 96. North wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 57. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 99. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 60. North northwest wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.
Tuesday
Increasing clouds and hot, with a high near 96. North wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 57. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 60.
Juneteenth
Mostly sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
4:40 am PDT Jun 15, 2026
5am PDT Jun 15, 2026-6pm PDT Jun 21, 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