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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair with Haze

45°F

7°C

Humidity 71%
Wind Speed N 12 mph
Barometer 29.84 in
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill39°F (4°C)
Last update 20 Mar 5:55 pm EDT
Extended Forecast for

4 Miles SSW Glenn MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. North northeast wind 6 to 13 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. East wind 6 to 8 mph becoming south in the afternoon.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Southwest wind around 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 52. North wind 8 to 15 mph.

    High: 52 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. North wind 13 to 16 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. North northeast wind 6 to 13 mph.
Saturday
Partly sunny, with a high near 55. East wind 6 to 8 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. Southwest wind around 10 mph.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 52. North wind 8 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 32. North wind 13 to 16 mph.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of showers. Mostly cloudy, with a high near 55.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 30. Blustery.
Friday
Partly sunny, with a high near 37. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Glenn MI
 42.47°N 86.25°W (Elev. 646 ft)
Last Update:
6:03 pm EDT Mar 20, 2026
Forecast Valid:
6pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
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