Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason, Mason Jewett Field Airport (KTEW)

Lat: 42.57°NLon: 84.42°WElev: 919ft.

Overcast

71°F

22°C

Humidity	64%
Wind Speed	SW 14 G 22 mph
Barometer	29.77 in
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	31 Mar 2:55 pm EDT

More Information:

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

Extended Forecast for

Onondaga MI

This Afternoon
High: 68 °F
Showers
Likely
Tonight
Low: 38 °F
Heavy Rain
then Mostly
Cloudy
Wednesday
High: 48 °F
Slight Chance
Showers
Wednesday Night
Low: 36 °F
Chance
Showers then
Showers
Thursday
High: 73 °F
Showers
Thursday Night
Low: 56 °F
Showers
Friday
High: 71 °F
Chance
Showers
Friday Night
Low: 53 °F
Showers
Likely
Saturday
High: 70 °F
Showers

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a steady temperature around 68. West southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm. Some of the storms could produce heavy rainfall. Low around 38. West wind around 9 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 48. East northeast wind around 11 mph, with gusts as high as 22 mph.

Wednesday Night

Showers, mainly after 2am. Low around 36. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Showers, with thunderstorms also possible after 5pm. High near 73. South wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

Thursday Night

Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.

Friday

A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.

Friday Night

Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 53.

Saturday

Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70.

Saturday Night

A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35.

Sunday

A chance of snow showers. Mostly cloudy, with a high near 45.