Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

64°F

18°C

Humidity 25%
Wind Speed NNW 13 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 May 07:53 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • Tonight

    Tonight: Clear, with a low around 35. North wind 8 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 41. Northwest wind 7 to 13 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 60 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Northwest wind 8 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

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

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 35. North wind 8 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 56. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 41. Northwest wind 7 to 13 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 45. Northwest wind 8 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
Memorial Day
Sunny, with a high near 58.
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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 May 18, 2026
8pm PDT May 18, 2026-6pm PDT May 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database