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 >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Light Rain

70°F

21°C

Humidity 88%
Wind Speed E 5 mph
Barometer 29.79 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 1 Aug 5:35 am EDT
Extended Forecast for

4 Miles NNE South Haven MI

  • Overnight

    Overnight: Showers. Steady temperature around 67. East wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 74. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 62. Northeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 75. Northeast wind around 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind 7 to 11 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

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

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Steady temperature around 67. East wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 74. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 62. Northeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 75. Northeast wind around 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind 7 to 11 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE South Haven MI
 42.45°N 86.25°W (Elev. 650 ft)
Last Update:
5:03 am EDT Aug 1, 2026
Forecast Valid:
5am EDT Aug 1, 2026-6pm EDT Aug 7, 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