Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

New Memphis IL

  • Today

    Today: Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 1pm.  High near 81. Calm wind becoming south around 5 mph.  Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 1pm. High near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 80%.
Tonight
Scattered showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 85. Calm wind.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
New Memphis IL
 38.47°N 89.67°W (Elev. 400 ft)
5:21 am CDT Aug 19, 2026
6am CDT Aug 19, 2026-6pm CDT Aug 25, 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