Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fog/Mist

70°F

21°C

Humidity 94%
Wind Speed N 3 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 11 Aug 3:35 am EDT
Extended Forecast for

4 Miles SSE South Haven MI

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 5am.  Mostly cloudy, with a steady temperature around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 7pm.  Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 3pm.  Partly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 2am.  Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 8am.  Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a steady temperature around 69. Calm wind.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 65. Light and variable wind.
Wednesday
A chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 64. Calm wind.
Thursday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 77.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62.
Sunday
A chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE South Haven MI
 42.34°N 86.26°W (Elev. 663 ft)
3:36 am EDT Aug 11, 2026
3am EDT Aug 11, 2026-6pm EDT Aug 17, 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