Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Hazardous Weather Conditions
Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
Mostly Cloudy
70°F
21°C
| Humidity | 87% |
| Wind Speed | SW 9 mph |
| Barometer | 30.15 in (1020.8 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 8:56 am EDT |
Extended Forecast for
4 Miles S Jamestown West NY
Heat Advisory June 22, 12:00pm until June 24, 06:00pm
Today
High: 85 °F
Partly Sunny
Tonight
Low: 72 °F
Mostly Clear
Sunday
High: 92 °F
Hot
Sunday Night
Low: 72 °F
Clear
Monday
High: 93 °F
Hot
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 91 °F
Hot
Tuesday Night
Low: 68 °F
Mostly Clear
then Patchy
FogWednesday
High: 86 °F
Chance
T-storms and
Patchy Fog
Detailed Forecast
Today
Partly sunny, with a high near 85. Southwest wind 7 to 11 mph.
Tonight
Mostly clear, with a low around 72. South wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny and hot, with a high near 92. Heat index values as high as 98. West wind around 10 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 72. Southwest wind around 6 mph.
Monday
Sunny and hot, with a high near 93. West wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 72. Southwest wind 3 to 5 mph.
Tuesday
Sunny and hot, with a high near 91. West wind 5 to 9 mph.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Jamestown West NY
42.03°N 79.27°W (Elev. 1398 ft)
42.03°N 79.27°W (Elev. 1398 ft)
7:36 am EDT Jun 21, 2025
9am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
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