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

90°F

32°C

Humidity 18%
Wind Speed N 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Aug 07:00 PM PDT
Extended Forecast for

15 Miles E Happy Camp CA

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind 6 to 10 mph becoming west in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. West northwest wind 5 to 10 mph becoming light north northwest  after midnight.

    Low: 62 °F

    Clear

  • Thursday

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

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. West wind 5 to 9 mph becoming light  after midnight.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. North wind 6 to 10 mph becoming west in the evening.
Wednesday
Sunny and hot, with a high near 97. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 62. West northwest wind 5 to 10 mph becoming light north northwest after midnight.
Thursday
Sunny and hot, with a high near 96. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. West wind 5 to 9 mph becoming light after midnight.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles E Happy Camp CA
 41.79°N 123.06°W (Elev. 1601 ft)
4:40 pm PDT Aug 18, 2026
7pm PDT Aug 18, 2026-6pm PDT Aug 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