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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

63°F

17°C

Humidity 59%
Wind Speed W 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 09 Apr 03:35 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 62. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Snow level 8300 feet lowering to 7300 feet after midnight . Partly cloudy, with a low around 40. Southwest wind 6 to 9 mph becoming east northeast in the evening. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. Snow level 7200 feet. Increasing clouds, with a high near 55. East northeast wind 8 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Rain showers before 11pm, then rain likely, possibly mixed with snow showers between 11pm and 2am, then rain showers likely after 2am. Some thunder is also possible. Snow level 7000 feet lowering to 6200 feet after midnight . Low around 39. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. Snow level 5900 feet. High near 47. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow showers before 2am, then a chance of snow showers. Snow level 5700 feet lowering to 4800 feet after midnight . Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow showers before 2pm, then rain and snow showers. High near 45. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 2am, then a slight chance of snow. Snow level 5000 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow before 11am, then a chance of rain. Snow level rising to 5600 feet in the afternoon. Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 62. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Snow level 8300 feet lowering to 7300 feet after midnight . Partly cloudy, with a low around 40. Southwest wind 6 to 9 mph becoming east northeast in the evening. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. Snow level 7200 feet. Increasing clouds, with a high near 55. East northeast wind 8 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain showers before 11pm, then rain likely, possibly mixed with snow showers between 11pm and 2am, then rain showers likely after 2am. Some thunder is also possible. Snow level 7000 feet lowering to 6200 feet after midnight . Low around 39. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. Snow level 5900 feet. High near 47. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain, possibly mixed with snow showers before 2am, then a chance of snow showers. Snow level 5700 feet lowering to 4800 feet after midnight . Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers before 2pm, then rain and snow showers. High near 45. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow before 2am, then a slight chance of snow. Snow level 5000 feet. Mostly cloudy, with a low around 34.
Monday
A chance of snow before 11am, then a chance of rain. Snow level rising to 5600 feet in the afternoon. Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 55.
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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:
2:39 pm PDT Apr 9, 2026
Forecast Valid:
3pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation