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 >

Hazardous Weather Conditions

Current conditions at

Wellsville, Wellsville Municipal Airport (KELZ)

Lat: 42.11°NLon: 77.98°WElev: 2123ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1016.0 mb)
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 18 Aug 7:56 am EDT
Extended Forecast for

Bolivar NY

  • Today

    Today: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 74 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. West wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Light north wind.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50. Light northeast wind.

    Low: 50 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Light northeast wind.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 54. Light and variable wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. West wind 5 to 8 mph. Chance of precipitation is 70%. 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 slight chance of showers between 8pm and 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Light west wind. Chance of precipitation is 60%. 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 73. Light north wind.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50. Light northeast wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Light northeast wind.
Friday Night
Mostly clear, with a low around 55. Light and variable wind.
Saturday
Showers likely after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 52. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bolivar NY
 42.08°N 78.2°W (Elev. 1900 ft)
Last Update:
7:57 am EDT Aug 18, 2026
Forecast Valid:
8am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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