Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

59°F

15°C

Humidity 62%
Wind Speed E 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Aug 01:00 AM PDT
Extended Forecast for

3 Miles SE Merrill OR

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

    Overnight: Mostly clear, with a low around 51. West wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 90. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. South southwest wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 88. East southeast wind 5 to 10 mph becoming south southwest 12 to 17 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 88 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. West wind around 5 mph becoming calm.
Thursday
Increasing clouds, with a high near 90. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 54. South southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Friday
Mostly cloudy, with a high near 88. East southeast wind 5 to 10 mph becoming south southwest 12 to 17 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Partly cloudy, with a low around 51. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Merrill OR
 42°N 121.56°W (Elev. 4104 ft)
11:26 pm PDT Aug 19, 2026
1am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database