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

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

77°F

25°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 3:35 pm EDT
Extended Forecast for

Decatur MI

Heat Advisory June 21, 12:00pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 83. West southwest wind around 9 mph, with gusts as high as 20 mph.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 70. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 94. Heat index values as high as 101. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 94 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 83. West southwest wind around 9 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 70. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny and hot, with a high near 94. Heat index values as high as 101. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Clear, with a low around 76. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 95. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
3:03 pm EDT Jun 20, 2025
Forecast Valid:
3pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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