Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Louisville, Bowman Field Airport (KLOU)

Lat: 38.23°NLon: 85.66°WElev: 545ft.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 29.95 in (1013.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Sep 12:53 am EDT
Extended Forecast for

Saint Matthews KY

Heat Advisory September 5, 01:49am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 01:49am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Northwest wind 3 to 8 mph.

    High: 98 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. North wind around 6 mph becoming east in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Northeast wind around 10 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Northeast wind 7 to 11 mph.

    Low: 64 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Northwest wind 3 to 8 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. North wind around 6 mph becoming east in the evening.
Sunday
Mostly sunny, with a high near 88. Northeast wind around 10 mph.
Sunday Night
Mostly clear, with a low around 64. Northeast wind 7 to 11 mph.
Labor Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Matthews KY
 38.25°N 85.63°W (Elev. 538 ft)
12:51 am EDT Sep 5, 2026
1am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
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