National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Mostly Cloudy

72°F

22°C

Humidity 41%
Wind Speed S 12 mph
Barometer 29.82 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Mar 5:35 pm EDT
Extended Forecast for

Pompeii MI

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 71. Southwest wind around 9 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 4am, then showers and thunderstorms likely after 4am. Low around 53. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Slight Chance
    T-storms then
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 66. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, mainly before 8pm. Low around 35. West wind around 11 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 41. East northeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 41 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 11pm, then a chance of rain showers, snow showers, and freezing rain between 11pm and 2am, then rain showers after 2am. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Wintry
    Mix then
    Wintry Mix

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 62. Chance of precipitation is 100%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am. Partly sunny, with a high near 63.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 71. Southwest wind around 9 mph.
Tonight
Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 4am, then showers and thunderstorms likely after 4am. Low around 53. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 66. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, mainly before 8pm. Low around 35. West wind around 11 mph becoming north after midnight. Winds could gust as high as 23 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. Mostly cloudy, with a high near 41. East northeast wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain showers before 11pm, then a chance of rain showers, snow showers, and freezing rain between 11pm and 2am, then rain showers after 2am. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 62. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 63.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 44.
Saturday
Showers likely. Mostly cloudy, with a high near 65.
Saturday Night
Showers likely. Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Mostly cloudy, with a high near 46. Breezy.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeii MI
 43.19°N 84.6°W (Elev. 728 ft)
Last Update:
5:04 pm EDT Mar 30, 2026
Forecast Valid:
5pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation