Severe Thunderstorm and Flash Flooding Risks from Southern Plains to Midwest; Heat Wave Developing in the Southeast

Severe thunderstorms and flash flooding will again be possible from the Southern Plains into the Midwest on Friday. Periodic risks of severe thunderstorms, along with flash flooding, are forecast from the Central and Southern Plains to the Great Lakes and Northeast into the Memorial Day weekend. Temperatures across much of the East will run above normal where they will hold into Memorial Day. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

63°F

17°C

Humidity	56%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	23 May 11:20 pm EDT

More Information:

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

Extended Forecast for

Marysville MI

Tonight

Mostly Clear
Low: 49 °F
Friday

Partly Sunny
High: 65 °F
Friday
Night

Scattered
T-storms then
Showers
Likely
Low: 54 °F
Saturday

Showers
Likely
High: 79 °F
Saturday
Night

Mostly Cloudy
Low: 59 °F
Sunday

Chance
T-storms
High: 72 °F
Sunday
Night

Partly Cloudy
Low: 48 °F
Memorial
Day

Mostly Sunny
High: 71 °F
Monday
Night

Mostly Cloudy
then Chance
T-storms
Low: 56 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 49. West northwest wind 5 to 10 mph.

Friday

Partly sunny, with a high near 65. North northeast wind 5 to 9 mph.

Friday Night

Scattered showers and thunderstorms between 9pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Light southeast wind becoming south southeast 8 to 13 mph in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Mostly cloudy, with a low around 59. West southwest wind 7 to 10 mph.

Sunday

A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 48.

Memorial Day

Mostly sunny, with a high near 71.

Monday Night

A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 76.