Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

PARKER MOUNTAIN (ARFO3)

Lat: 42.105° N Lon: 122.27897° W Elev: 5280.0 ft.

NA

81°F

27°C

Humidity 13%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Heat Index79°F (26°C)
Last update 31 Aug 04:40 PM PDT
Detailed forecast for

Siskiyou Mountains and Southern Oregon Cascades

Tonight
Mostly clear then becoming mostly cloudy late this evening then becoming partly cloudy then becoming mostly clear well after midnight. Lows in the mid 40s to lower 50s. West winds 5 to 10 mph shifting to the south after midnight.
Tuesday
Sunny in the morning, then mostly cloudy with rain likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s to lower 70s. South winds 5 to 10 mph shifting to the southwest late in the afternoon.
Tuesday Night
Mostly cloudy. Rain likely and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the lower to mid 40s. West winds 10 to 15 mph. Chance of precipitation 70 percent.
Wednesday
Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. Highs in the lower 50s to lower 60s. South winds 10 to 15 mph. Chance of rain 90 percent.
Wednesday Night
Rain. Lows in the lower to mid 40s. Southwest winds 10 to 20 mph. Chance of rain near 100 percent.
Thursday
Rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 50s to lower 60s.
Thursday Night
Mostly cloudy with a chance of rain. Lows in the mid 30s to mid 40s.
Friday
Mostly cloudy. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 50s to lower 60s.
Friday Night
Mostly cloudy in the evening then becoming partly cloudy. Chance of rain. Lows in the lower to mid 40s.
Saturday
Partly cloudy in the morning then becoming mostly cloudy. Chance of rain. Highs in the mid 50s to mid 60s.
Saturday Night
Partly cloudy with a slight chance of rain. Lows in the lower to mid 40s.
Sunday
Partly cloudy in the morning then becoming mostly cloudy. Chance of rain. Highs in the lower 60s to lower 70s.
Sunday Night
Partly cloudy with a slight chance of rain in the evening, then mostly clear after midnight. Lows in the lower 40s to lower 50s.
Labor Day
Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to mid 70s.



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239 PM PDT Mon Aug 31 2026
 
 

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