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

Buffalo, Greater Buffalo International Airport (KBUF)

Lat: 42.94°NLon: 78.74°WElev: 709ft.

Partly Cloudy

64°F

18°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Aug 7:54 am EDT
Extended Forecast for

Williamsville NY

  • Today

    Today: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 79. West wind 3 to 7 mph.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of showers after 3am.  Partly cloudy, with a low around 65. South wind around 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 77. West wind around 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 57. Light and variable wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Light east wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Northeast wind around 6 mph becoming southeast after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. West wind 3 to 7 mph.
Tonight
A chance of showers after 3am. Partly cloudy, with a low around 65. South wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. West wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. Light and variable 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 79. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Light east wind.
Friday
Sunny, with a high near 81. Light and variable wind.
Friday Night
Partly cloudy, with a low around 61. Northeast wind around 6 mph becoming southeast after midnight.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Williamsville NY
 42.96°N 78.74°W (Elev. 656 ft)
7:57 am EDT Aug 18, 2026
8am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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