Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

86°F

30°C

Humidity 25%
Wind Speed SE 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Jul 01:35 PM PDT
Extended Forecast for

5 Miles NE Montague CA

Red Flag Warning July 30, 02:00pm until July 30, 11:00pm
Red Flag Warning July 31, 02:00pm until July 31, 08:00pm
Click here for hazard details and duration
Red Flag Warning
Red Flag Warning
  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 93. Calm wind becoming south southeast 5 to 7 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 60. North wind 5 to 7 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 59. Calm wind becoming north around 5 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

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

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 93. Calm wind becoming south southeast 5 to 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 60. North wind 5 to 7 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 59. Calm wind becoming north around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Montague CA
 41.79°N 122.46°W (Elev. 2769 ft)
1:41 pm PDT Jul 30, 2025
1pm PDT Jul 30, 2025-6pm PDT Aug 5, 2025
 
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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