Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. 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 28%
Wind Speed NNW 13 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Jun 07:00 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

Red Flag Warning until June 30, 08:00pm
Red Flag Warning July 1, 02:00pm until July 1, 08:00pm
Click here for hazard details and duration
...
Red Flag Warning
  •  
    Red Flag Warning until June 30, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 58 °F

    Showers
    Likely then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 74. West northwest wind 5 to 10 mph.

    High: 74 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West northwest wind 9 to 13 mph becoming northeast in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am.  Sunny, with a high near 70. West northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm.  Mostly clear, with a low around 50. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. North wind 8 to 15 mph becoming west northwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 74. West northwest wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West northwest wind 9 to 13 mph becoming northeast in the evening. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers after 11am. Sunny, with a high near 70. West northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly clear, with a low around 50. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 50.
Independence Day
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.63°N 122.23°W (Elev. 6667 ft)
4:40 pm PDT Jun 30, 2025
7pm PDT Jun 30, 2025-6pm PDT Jul 7, 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