Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494° N Lon: 122.31702° W Elev: 3540.0 ft.

Clear

86°F

30°C

Humidity 19%
Wind Speed NW 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 09 Aug 06:56 PM PDT
Detailed forecast for

South Central Siskiyou County

Tonight
Clear. Patchy smoke early this evening. Patchy smoke well after midnight. Lows in the lower 50s to lower 60s. Northwest winds 5 to 10 mph shifting to the north after midnight.
Monday
Sunny. Patchy smoke. Highs in the mid 80s to mid 90s. Northeast winds around 5 mph shifting to the southwest in the afternoon.
Monday Night
Mostly clear. Lows in the lower 50s to lower 60s. Southwest winds around 5 mph shifting to the northwest in the late evening and early morning, then shifting to the north well after midnight.
Tuesday
Sunny. Highs in the lower 80s to lower 90s. North winds around 5 mph shifting to the south in the afternoon.
Tuesday Night
Clear. Lows in the lower 50s to lower 60s. Southwest winds around 5 mph shifting to the northwest in the late evening and early morning, then shifting to the north well after midnight.
Wednesday
Sunny. Highs in the lower 80s to lower 90s.
Wednesday Night And Thursday
Mostly clear. Lows in the mid 40s to mid 50s. Highs in the lower 80s to lower 90s.
Thursday Night
Partly cloudy in the evening then clearing. Slight chance of showers. Lows in the mid 40s to mid 50s.
Friday
Sunny in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s.
Friday Night
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the mid 40s to mid 50s.
Saturday
Sunny. Slight chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s.
Saturday Night
Mostly clear. Slight chance of showers in the evening. Lows in the mid 40s to mid 50s.
Sunday
Sunny. Highs in the lower 70s to lower 80s.



Basemap Options
Click map to change the forecast location
Loading map...
239 PM PDT Sun Aug 9 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database