Fairfax Hourly Forecast

Cloudy. A chance of showers with a slight chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 60s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

Showers likely with a chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 60s. Southeast winds 15 to 20 mph. Chance of rain 90 percent.

Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs around 70. South winds 15 to 20 mph. Chance of rain 90 percent.

Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the evening. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph. Chance of rain near 100 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Cooler with lows around 50. Chance of rain 70 percent.