Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. 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. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Jun 1:55 am EDT
Extended Forecast for

3 Miles NNW Lyons NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. West wind 3 to 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the morning.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 74. South wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 103. West wind 10 to 15 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southwest wind around 7 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. West wind 6 to 9 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. West wind 6 to 9 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. West wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 92. Heat index values as high as 103. West wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 75. Southwest wind around 7 mph.
Monday
Sunny and hot, with a high near 95. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 92. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lyons NY
 43.09°N 77.01°W (Elev. 495 ft)
1:56 am EDT Jun 21, 2025
2am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database