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

Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair with Haze

70°F

21°C

Humidity 78%
Wind Speed SE 5 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 1.75 mi
Last update 17 Jul 4:55 am EDT
Extended Forecast for

Grand Junction MI

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Widespread smoke, mainly before 1pm. Partly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Smoke then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm. Mostly sunny, with a high near 85. West southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Clear, with a low around 61. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Widespread smoke, mainly before 1pm. Partly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm. Mostly sunny, with a high near 85. West southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Clear, with a low around 61. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 86.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Junction MI
 42.4°N 86.07°W (Elev. 696 ft)
Last Update:
4:03 am EDT Jul 17, 2026
Forecast Valid:
4am EDT Jul 17, 2026-6pm EDT Jul 23, 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