Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

82°F

28°C

Humidity 26%
Wind Speed N 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 09:00 PM PDT
Extended Forecast for

13 Miles NW Fort Jones CA

  • Tonight

    Tonight: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 65. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of thunderstorms after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 10%.

    High: 92 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Mostly clear, with a low around 59. West wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 63. Calm wind.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 65. West northwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 59. West wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Fort Jones CA
 41.75°N 123.01°W (Elev. 1850 ft)
8:26 pm PDT Aug 19, 2026
9pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

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