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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

70°F

21°C

Humidity 83%
Wind Speed NE 10 mph
Barometer 29.79 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 1:55 am EDT
Extended Forecast for

South Haven MI

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 67. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 77. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind 6 to 11 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. North wind 7 to 10 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 67. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 77. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind 6 to 11 mph.
Monday
Sunny, with a high near 77. North wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 59. North wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 80.
Friday Night
A chance of showers. Partly cloudy, with a low around 67.
Saturday
A chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
Last Update:
1:11 am EDT Aug 2, 2026
Forecast Valid:
2am EDT Aug 2, 2026-6pm EDT Aug 8, 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