National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

73°F

23°C

Humidity 53%
Wind Speed NW 9 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 1:56 pm EDT
Extended Forecast for

Falconer NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Northwest wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 55. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 6 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Light southeast wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Northwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 56. Light and variable wind.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 55. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 51. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Light southeast wind.
Friday Night
Partly cloudy, with a low around 56. Calm wind.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Falconer NY
 42.13°N 79.2°W (Elev. 1263 ft)
Last Update:
1:57 pm EDT Aug 18, 2026
Forecast Valid:
2pm EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation