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Information on the severe weather that occurred on Saturday, July 18th, 2026

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15° N Lon: 79.27° W Elev: 1722 ft.

Fair

56°F

13°C

Humidity	100%
Wind Speed	S 6 mph
Barometer	30.10 in (1019.3 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	4 Aug 2:56 am EDT

More Information:

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

Detailed forecast for

Warren County

Rest Of Tonight

Mostly clear. Patchy fog. Cooler. Near steady temperature in the lower 50s. Light and variable winds.

Tuesday

Patchy fog in the morning. Sunny. Highs in the lower 80s. Light and variable winds, becoming south around 5 mph in the afternoon.

Tuesday Night

Mostly clear. Not as cool with lows around 60. Southeast winds around 5 mph.

Wednesday

Partly sunny. A chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the mid 80s. South winds around 5 mph. Chance of rain 50 percent.

Wednesday Night

A chance of thunderstorms in the evening. Showers likely. Patchy fog after midnight. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 60 percent.

Thursday

Partly sunny with a chance of showers in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Humid. Very warm with highs in the lower 80s. Chance of rain 80 percent.

Thursday Night

Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the mid 60s. Chance of rain 80 percent.

Friday

Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 80 percent.

Friday Night

Mostly cloudy with a chance of thunderstorms. Showers, mainly in the evening. Humid with lows in the lower 60s. Chance of rain 80 percent.

Saturday

Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 60 percent.

Saturday Night

Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Humid with lows in the lower 60s. Chance of rain 60 percent.

Sunday

Mostly sunny. Humid. Very warm with highs in the mid 80s.

Sunday Night

Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 40 percent.

Monday

Partly sunny with a chance of showers. Humid. Very warm with highs in the lower 80s. Chance of rain 50 percent.