National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

39°F

4°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 23 Mar 12:53 AM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. South wind around 5 mph becoming west southwest.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65. West northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 18 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West wind 8 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Southwest wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. South wind around 5 mph becoming west southwest.
Monday
Mostly sunny, with a high near 65. West northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 44. West wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 67. South southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 43. Southwest wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
Last Update:
11:31 pm PDT Mar 22, 2026
Forecast Valid:
1am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation