Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

Modesto City-County Airport - Harry Sham Field (KMOD)

Lat: 37.62549° N Lon: 120.9549° W Elev: 85 ft.




Humidity 61%
Wind Speed NW 8 MPH
Barometer 29.86 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 12:05 am PDT
Detailed forecast for

Northern San Joaquin Valley

Mostly clear. Lows 60 to 70. Northwest winds around 10 mph.
Sunny. Highs 88 to 94. Northwest winds up to 10 mph with gusts to around 20 mph.
Monday Night
Mostly cloudy in the evening then becoming partly cloudy. Lows 60 to 70. Northwest winds up to 15 mph.
Mostly sunny. Highs 88 to 94. Northwest winds up to 10 mph.
Tuesday Night
Mostly clear. Lows 59 to 69. Northwest winds up to 15 mph.
Sunny. Highs 89 to 95.
Wednesday Night
Clear. Lows 58 to 68.
Thursday Through Sunday
Clear. Highs 88 to 97. Lows 58 to 68.

Click Map For Forecast
221 PM PDT Sun Aug 20 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database