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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

37°F

3°C

Humidity 69%
Wind Speed NNE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 22 Mar 03:00 AM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Northeast wind around 11 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Northeast wind 7 to 11 mph becoming west in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West northwest wind around 7 mph becoming east after midnight.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Light south wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. West wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    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 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Northeast wind around 11 mph.
Sunday
Mostly sunny, with a high near 64. Northeast wind 7 to 11 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 43. West northwest wind around 7 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 66. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 47. West wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
Last Update:
2:26 am PDT Mar 22, 2026
Forecast Valid:
3am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation