National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Mostly Cloudy

65°F

18°C

Humidity 81%
Wind Speed NNW 8 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Aug 12:53 PM PDT
Extended Forecast for

6 Miles S Altamont OR

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. West northwest wind 5 to 8 mph.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 53. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 50. West wind 5 to 8 mph becoming light and variable in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Southeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. West northwest wind 5 to 8 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 53. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 10 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 50. West wind 5 to 8 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 80. Southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 51.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Altamont OR
 42.11°N 121.71°W (Elev. 4199 ft)
Last Update:
10:40 am PDT Aug 16, 2025
Forecast Valid:
1pm PDT Aug 16, 2025-6pm PDT Aug 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation