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.

Fair

77°F

25°C

Humidity 65%
Wind Speed Vrbl 6 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 4:15 pm EDT
Extended Forecast for

Decatur MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. West northwest wind around 6 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 11 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. West northwest wind 3 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly sunny, with a high near 72. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers after 8am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. West northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 11 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 58. West northwest wind 3 to 7 mph.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 72. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 53.
Monday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
4:03 pm EDT Aug 22, 2025
Forecast Valid:
4pm EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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