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.
Fair
76°F
24°C
| Humidity | 77% |
| Wind Speed | SW 8 mph |
| Barometer | 30.14 in (1020.4 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 21 Jun 1:56 pm EDT |
Extended Forecast for
2 Miles NW Dewittville NY
Heat Advisory June 22, 12:00pm until June 24, 06:00pm
This Afternoon
High: 84 °F
Slight Chance
T-stormsTonight
Low: 73 °F
Partly Cloudy
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 69 °F
Partly Cloudy
Wednesday
High: 83 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind around 11 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 73. South wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 87. West wind around 15 mph.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 8 mph.
Monday
Sunny, with a high near 89. West wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 73. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 87. West wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind 3 to 6 mph.
Wednesday
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NW Dewittville NY
42.26°N 79.42°W (Elev. 1552 ft)
42.26°N 79.42°W (Elev. 1552 ft)
1:36 pm EDT Jun 21, 2025
2pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
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