Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

97°F

36°C

Humidity 20%
Wind Speed NNW 13 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Jul 06:05 PM PDT
Extended Forecast for

Montague CA

Heat Advisory July 15, 06:22pm until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 06:22pm until July 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 63 °F

    Haze

  • Wednesday

    Wednesday: Widespread haze after noon. Patchy smoke before noon. Sunny and hot, with a high near 99. Calm wind becoming south around 6 mph in the afternoon.

    High: 99 °F

    Patchy Smoke
    then Haze

  • Wednesday Night

    Wednesday Night: Widespread haze. Mostly clear, with a low around 64. West wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 64 °F

    Haze

  • Thursday

    Thursday: Widespread haze before 2pm. Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph in the afternoon.

    High: 97 °F

    Haze

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West northwest wind 5 to 9 mph becoming light and variable  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Widespread haze before 8pm, then widespread haze after 10pm. Clear, with a low around 63. North wind 5 to 9 mph becoming light north northwest after midnight.
Wednesday
Widespread haze after noon. Patchy smoke before noon. Sunny and hot, with a high near 99. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Widespread haze. Mostly clear, with a low around 64. West wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.
Thursday
Widespread haze before 2pm. Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. West northwest wind 5 to 9 mph becoming light and variable in the evening.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
4:41 pm PDT Jul 15, 2025
6pm PDT Jul 15, 2025-6pm PDT Jul 22, 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