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

Klamath Falls International Airport (KLMT)

Lat: 42.14703°NLon: 121.72548°WElev: 4081.0ft.

Clear

61°F

16°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Jun 04:20 AM PDT
Extended Forecast for

2 Miles WNW Altamont OR

Fire Weather Watch June 19, 01:00pm until June 20, 01:00am
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 93 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 56 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 84. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 51 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm after midnight.
Juneteenth
A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 84. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 82. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 90.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Altamont OR
 42.21°N 121.74°W (Elev. 4190 ft)
1:46 am PDT Jun 18, 2026
4am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database