Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

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 N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Aug 03:00 AM PDT
Extended Forecast for

16 Miles NNE Montague CA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny

  • Friday Night

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

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 61. North northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 96. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Montague CA
 41.92°N 122.37°W (Elev. 2598 ft)
1:36 am PDT Aug 19, 2026
3am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database