Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

58°F

14°C

Humidity 90%
Wind Speed W 7 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 12:56 am EDT
Extended Forecast for

Sherman NY

  • Overnight

    Overnight: Partly cloudy, with a low around 52. West wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 2pm and 4pm.  Partly sunny, with a high near 68. West wind 5 to 11 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm.  Partly cloudy, with a low around 52. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am.  Partly sunny, with a high near 71. West wind 3 to 8 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am.  Low around 54. Calm wind becoming southeast around 6 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.  High near 70. Southeast wind around 10 mph becoming north in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 53. North wind 5 to 8 mph.  Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Northwest wind 6 to 9 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. West wind 3 to 5 mph.
Saturday
A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 68. West wind 5 to 11 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 71. West wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Showers, mainly after 2am. Low around 54. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 70. Southeast wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 53. North wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 70. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman NY
 42.16°N 79.61°W (Elev. 1585 ft)
9:57 pm EDT Jun 19, 2026
1am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database