Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

61°F

16°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 Aug 01:15 AM PDT
Extended Forecast for

Montague CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm.  Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Light and variable wind.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. South wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.74°N 122.53°W (Elev. 2589 ft)
11:26 pm PDT Aug 13, 2026
1am PDT Aug 14, 2026-6pm PDT Aug 20, 2026
 
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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