National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

70°F

21°C

Humidity 40%
Wind Speed N 9 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 12 Aug 01:00 AM PDT
Extended Forecast for

Yreka CA

  • Overnight

    Overnight: Clear, with a low around 57. Light west northwest wind.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind becoming north 6 to 11 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 89. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 89 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 57. Light west northwest wind.
Wednesday
Sunny, with a high near 91. Light and variable wind becoming north 6 to 11 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Increasing clouds, with a high near 89. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.72°N 122.62°W (Elev. 2959 ft)
Last Update:
12:46 am PDT Aug 12, 2026
Forecast Valid:
1am PDT Aug 12, 2026-6pm PDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation