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

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Clear

54°F

12°C

Humidity 62%
Wind Speed E 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Jun 05:00 AM PDT
Extended Forecast for

6 Miles SSE Canby CA

Fire Weather Watch June 19, 04:00am until June 19, 07:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Mostly cloudy, with a high near 74. Light southwest wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 74 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 75. West wind 3 to 8 mph. Winds could gust as high as 22 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 55. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Juneteenth
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly cloudy, with a high near 74. Light southwest wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 75. West wind 3 to 8 mph. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Canby CA
 41.37°N 120.83°W (Elev. 5515 ft)
4:40 am PDT Jun 18, 2026
5am PDT Jun 18, 2026-6pm PDT Jun 24, 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