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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

84°F

29°C

Humidity 25%
Wind Speed N 13 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 08:20 PM PDT
Extended Forecast for

12 Miles S Ashland OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 76. Calm wind.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 54. Light northwest wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
A 30 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 76. Calm wind.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 54. Light northwest wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 72.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 76.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 81.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Ashland OR
 42.02°N 122.73°W (Elev. 4652 ft)
Last Update:
4:40 pm PDT Jun 17, 2026
Forecast Valid:
8pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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