Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Clear

88°F

31°C

Humidity 16%
Wind Speed W 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 02:15 PM PDT
Extended Forecast for

3 Miles SSE Altamont OR

Fire Weather Watch August 21, 02:00pm until August 21, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Southwest wind around 5 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. West wind around 5 mph becoming calm  after midnight.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 90. Calm wind becoming southwest around 5 mph.

    High: 90 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. Calm wind becoming west southwest around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 86. Light and variable wind becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southwest wind around 5 mph.
Tonight
Clear, with a low around 50. West wind around 5 mph becoming calm after midnight.
Thursday
Increasing clouds, with a high near 90. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 54. Calm wind becoming west southwest around 5 mph.
Friday
Partly sunny, with a high near 86. Light and variable wind becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 44.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Altamont OR
 42.15°N 121.69°W (Elev. 4196 ft)
1:41 pm PDT Aug 19, 2026
2pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database