Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

64°F

18°C

Humidity 75%
Wind Speed Calm
Barometer 29.75 in (1007.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 11:53 pm EDT
Extended Forecast for

Lyon Mountain NY

  • Overnight

    Overnight: A 30 percent chance of showers.  Cloudy, with a low around 50. West wind around 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 63. West wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 51. West wind 5 to 8 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after 2pm.  Mostly cloudy, with a high near 67. South wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am.  Mostly cloudy, with a low around 52. Light and variable wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers after 8am.  Partly sunny, with a high near 66. North wind 5 to 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. West wind 7 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Northwest wind 6 to 8 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 50. West wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 63. West wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 51. West wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 67. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 66. North wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 53. West wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 68. Northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 54. Light and variable wind.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 69. South wind 3 to 7 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 68. Southwest wind around 9 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind around 8 mph.
Saturday
Showers likely. Partly sunny, with a high near 67. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lyon Mountain NY
 44.7°N 73.91°W (Elev. 2149 ft)
2:23 pm EDT Jun 20, 2026
12am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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