Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

A Few Clouds

82°F

28°C

Humidity 51%
Wind Speed S 6 mph
Barometer 29.77 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Oct 6:35 pm EDT
Extended Forecast for

Decatur MI

  • Tonight

    Tonight: Isolated showers and thunderstorms, mainly between 11pm and 2am.  Partly cloudy, with a low around 68. South southwest wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 58. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Mostly Clear
    then Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 7am.  Mostly cloudy, with a high near 71. Calm wind becoming north northeast 5 to 7 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. East northeast wind around 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers, mainly before 2am.  Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 68. South southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly before 7am. Mostly cloudy, with a high near 71. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 48. East northeast wind around 6 mph.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
Showers, mainly before 2am. Low around 47. Chance of precipitation is 80%.
Friday
A chance of showers. Mostly cloudy, with a high near 59. Breezy.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 86.01°W (Elev. 771 ft)
6:21 pm EDT Oct 12, 2026
6pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database