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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

93°F

34°C

Humidity 15%
Wind Speed NW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Jun 01:35 PM PDT
Extended Forecast for

13 Miles N Montague CA

Heat Advisory June 16, 01:51pm until June 16, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 16, 01:51pm until June 16, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 56. North northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 95. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. North northwest wind 5 to 15 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. North northwest wind around 5 mph becoming calm in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 93.

    High: 93 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 56. North northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 95. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 60. North northwest wind 5 to 15 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny and hot, with a high near 99. North northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 59.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 93.
Friday Night
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 56.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles N Montague CA
 41.91°N 122.55°W (Elev. 2198 ft)
Last Update:
12:56 pm PDT Jun 16, 2026
Forecast Valid:
1pm PDT Jun 16, 2026-6pm PDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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