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

95°F

35°C

Humidity 21%
Wind Speed NNW 13 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Jul 06:30 PM PDT
Extended Forecast for

15 Miles NNE Montague CA

Heat Advisory July 15, 06:46pm until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 06:46pm until July 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 64 °F

    Clear then
    Haze

  • Wednesday

    Wednesday: Widespread haze after 2pm. Patchy smoke before 2pm. Sunny and hot, with a high near 100. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 100 °F

    Patchy Smoke
    then Haze

  • Wednesday Night

    Wednesday Night: Widespread haze after 7pm. Patchy smoke before 7pm. Mostly clear, with a low around 64. Northwest wind 5 to 10 mph becoming light north  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 5 to 7 mph in the afternoon.

    High: 97 °F

    Haze

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Northwest wind 6 to 11 mph becoming light north  in the evening. Winds could gust as high as 18 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

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

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Widespread haze between midnight and 2am. Patchy smoke after 2am. Clear, with a low around 64. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Widespread haze after 2pm. Patchy smoke before 2pm. Sunny and hot, with a high near 100. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Widespread haze after 7pm. Patchy smoke before 7pm. Mostly clear, with a low around 64. Northwest wind 5 to 10 mph becoming light north 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 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. Northwest wind 6 to 11 mph becoming light north in the evening. Winds could gust as high as 18 mph.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Montague CA
 41.93°N 122.44°W (Elev. 2198 ft)
4:41 pm PDT Jul 15, 2025
6pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database