Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

59°F

15°C

Humidity	83%
Wind Speed	SSE 2 MPH
Barometer	NA
Dewpoint	54°F (12°C)
Visibility	NA
Last update	31 Mar 02:10 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WSW Cupertino CA

Overnight
Low: 54 °F
Chance Rain
Tuesday
High: 62 °F
Rain Likely
Tuesday Night
Low: 50 °F
Chance Rain
Wednesday
High: 60 °F
Chance Rain
Wednesday Night
Low: 49 °F
Rain Likely
Thursday
High: 58 °F
Slight Chance
Rain then
Sunny
Thursday Night
Low: 47 °F
Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

Overnight

A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 54. Southwest wind around 7 mph.

Tuesday

Rain likely, mainly before 2pm. Mostly cloudy, with a high near 62. South southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

A 30 percent chance of rain, mainly between 8pm and 9pm. Mostly cloudy, with a low around 50. South southwest wind 5 to 7 mph.

Wednesday

A 50 percent chance of rain. Partly sunny, with a high near 60. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49. Southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

A 20 percent chance of rain before 11am. Sunny, with a high near 58.

Thursday Night

Clear, with a low around 47.

Friday

Sunny, with a high near 68.

Friday Night

Mostly clear, with a low around 52.

Saturday

Sunny, with a high near 75.

Saturday Night

Mostly clear, with a low around 56.