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

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

A Few Clouds

66°F

19°C

Humidity 87%
Wind Speed SW 9 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 1:56 am EDT
Extended Forecast for

4 Miles ENE Knowlesville NY

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 63. Southwest wind around 7 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 86. South wind 6 to 11 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South wind 9 to 18 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 17 to 21 mph.

    High: 91 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southwest wind 10 to 13 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 75. Southwest wind 10 to 13 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. West wind 10 to 13 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 86. South wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 76. South wind 9 to 18 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 17 to 21 mph.
Sunday Night
Mostly clear, with a low around 75. Southwest wind 10 to 13 mph.
Monday
Sunny and hot, with a high near 94. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Clear, with a low around 75. Southwest wind 10 to 13 mph.
Tuesday
Sunny and hot, with a high near 91. West wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. 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 84. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Knowlesville NY
 43.23°N 78.31°W (Elev. 548 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database