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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Partly Cloudy

78°F

26°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Jul 6:56 pm EDT
Extended Forecast for

5 Miles SSW Sugar Grove PA

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Patchy fog before 3am, then patchy fog after 5am. Otherwise, increasing clouds, with a low around 66. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely then
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 10pm. Patchy fog before 3am, then patchy fog after 5am. Otherwise, increasing clouds, with a low around 66. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 62. Calm wind.
Tuesday
Mostly sunny, with a high near 85. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sugar Grove PA
 41.92°N 79.38°W (Elev. 1854 ft)
Last Update:
4:34 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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