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

Southwest Michigan Regional Airport (KBEH)

Lat: 42.13°NLon: 86.42°WElev: 640ft.

Overcast

75°F

24°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.29 in (1025.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Sep 12:53 pm EDT
Extended Forecast for

6 Miles WSW Decatur MI

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 77. East wind 5 to 10 mph.
Friday Night
Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 59. Chance of precipitation is 80%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 73.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Decatur MI
 42.07°N 86.07°W (Elev. 755 ft)
Last Update:
11:16 am EDT Sep 16, 2026
Forecast Valid:
1pm EDT Sep 16, 2026-6pm EDT Sep 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation