Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Rain

N/A

Humidity	NA
Wind Speed	Calm
Barometer	29.74 in
Dewpoint	N/A
Visibility	3.00 mi
Last update	11 Mar 10:35 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles ENE Great Valley NY

Today
High: 65 °F
Heavy Rain
Tonight
Low: 24 °F
Showers then
Chance Wintry
Mix
Thursday
High: 31 °F
Decreasing
Clouds
Thursday Night
Low: 23 °F
Partly Cloudy
Friday
High: 41 °F
Rain/Snow
Likely
Friday Night
Low: 22 °F
Rain/Snow
Likely then
Chance Snow
Showers
Saturday
High: 32 °F
Partly Sunny
Saturday Night
Low: 22 °F
Mostly Cloudy
then Chance
Snow Showers
Sunday
High: 49 °F
Snow Showers
Likely then
Rain/Snow
Likely

Detailed Forecast

Today

Rain and possibly a thunderstorm before 3pm, then showers likely between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 65. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Rain showers before 1am, then a chance of rain showers and sleet between 1am and 2am, then a chance of snow showers after 2am. Some thunder is also possible. Low around 24. Southwest wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

Thursday

Cloudy, then gradually becoming mostly sunny, with a high near 31. West wind 13 to 15 mph, with gusts as high as 30 mph.

Thursday Night

Partly cloudy, with a low around 23. West wind 6 to 8 mph.

Friday

Snow likely before 11am, then rain and snow likely. Mostly cloudy, with a high near 41. South wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain likely, possibly mixed with snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 22. West wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Partly sunny, with a high near 32. West wind 10 to 13 mph, with gusts as high as 26 mph.

Saturday Night

A chance of snow showers after 2am. Mostly cloudy, with a low around 22. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 50%.

Sunday

Snow showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

Sunday Night

A chance of rain and snow showers before 8pm, then rain showers. Low around 29. Chance of precipitation is 80%.

Monday

Rain and snow showers. High near 39. Chance of precipitation is 80%.

Monday Night

A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.

Tuesday

A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.