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

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

43°F

6°C

Humidity 87%
Wind Speed N 16 mph
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 31 Mar 11:35 pm EDT
Extended Forecast for

Pompeii MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North wind around 11 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 42. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 11pm, then rain or freezing rain.  Low around 32. East northeast wind 13 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 32 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 5pm.  High near 69. East wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 51. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%.

    Low: 51 °F

    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers before 8am.  Mostly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, then showers after 8am.  Mostly cloudy, with a high near 64. Breezy.

    High: 64 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. North wind around 11 mph, with gusts as high as 21 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 42. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of rain showers before 11pm, then rain or freezing rain. Low around 32. East northeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
Thursday
Showers, with thunderstorms also possible after 5pm. High near 69. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 51. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 64.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm, then showers after 8am. Mostly cloudy, with a high near 64. Breezy.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 42. Breezy.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeii MI
 43.19°N 84.6°W (Elev. 728 ft)
11:03 pm EDT Mar 31, 2026
11pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
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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