Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083° N Lon: 122.11833° W Elev: 46.0 ft.

Clear

77°F

25°C

Humidity 36%
Wind Speed WNW 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 May 05:35 PM PDT
Detailed forecast for

San Francisco Bay Shoreline

Rest Of Today
Sunny. Highs in the 70s to mid 80s. Northwest winds 5 to 15 mph.
Tonight
Mostly clear. Lows in the mid 50s. Northwest winds 10 to 15 mph...becoming west up to 5 mph after midnight.
Thursday
Sunny. Highs in the lower 70s to mid 80s. West winds up to 5 mph...becoming northwest 5 to 15 mph in the afternoon.
Thursday Night
Mostly clear. Lows in the lower 50s. West winds 10 to 15 mph decreasing to up to 5 mph after midnight.
Friday
Partly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. Southwest winds up to 5 mph...becoming west 5 to 15 mph in the afternoon.
Friday Night
Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.
Saturday Through Tuesday
Partly cloudy. Breezy. Highs in the 60s to 70s. Lows in the lower 50s.



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302 PM PDT Wed May 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database