Flooding Threat Continues in Portions of Texas; Poor Air Quality in the Great Lakes through the Mid-Atlantic

Widespread life-threatening flash and urban flooding continues in south-central Texas, with considerable flooding impacts possible across central Texas. Wildfire smoke is impacting air quality across much of the Great Lakes region into southern New England and the Mid-Atlantic. Monsoonal thunderstorms may produce isolated to scattered flash flooding across the Southwest into the Great Basin. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375° N Lon: 122.46817° W Elev: 2644.0 ft.

haze

55°F

13°C

Humidity 50%
Wind Speed ENE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Last update 17 Jul 04:20 AM PDT
Detailed forecast for

Central Siskiyou County

Today
Sunny. Areas of smoke this morning, then patchy smoke this afternoon. Highs in the mid 80s to mid 90s. In the shasta valley, southeast winds around 5 mph shifting to the north late this morning, then shifting to the south early this afternoon increasing to 20 to 25 mph late this afternoon. Elsewhere, light winds becoming northeast around 5 mph late this morning, then shifting to the southeast early this afternoon shifting to the south 10 to 20 mph late this afternoon.
Tonight
Clear. Smoke in the evening, then areas of smoke after midnight. Lows in the mid 50s to lower 60s. Southwest winds 10 to 20 mph shifting to the north 5 to 10 mph late in the evening and overnight.
Saturday
Sunny. Areas of smoke in the morning, then patchy smoke in the afternoon. Highs in the mid 80s to mid 90s. East winds around 5 mph shifting to the south 10 to 15 mph in the afternoon.
Saturday Night
Clear. Lows in the mid 50s to lower 60s. West winds 10 to 15 mph shifting to the north 5 to 10 mph in the late evening and early morning, then shifting to the east well after midnight.
Sunday
Sunny in the morning then becoming partly cloudy. Highs 90 to 100. Light winds becoming east around 5 mph late in the morning, then shifting to the north early in the afternoon shifting to the west late in the afternoon.
Sunday Night Through Monday Night
Mostly cloudy. Lows in the lower to mid 60s. Highs 90 to 100.
Tuesday
Partly cloudy. Highs in the mid 80s to mid 90s.
Tuesday Night Through Thursday
Mostly clear. Lows in the lower to mid 60s. Highs in the mid 80s to mid 90s.



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239 AM PDT Fri Jul 17 2026
 
 

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