Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 30.08 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 9 Sep 5:35 am CDT
Extended Forecast for

5 Miles W Mode IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am.  Low around 70. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 3pm.  Mostly cloudy, with a high near 80. Calm wind becoming north northwest around 6 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming east around 5 mph in the morning.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.
Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 70. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly cloudy, with a high near 80. Calm wind becoming north northwest around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Partly cloudy, with a low around 60. Light and variable wind.
Friday
Sunny, with a high near 84. Light and variable wind becoming east around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 64. Light and variable wind.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Mode IL
 39.26°N 88.75°W (Elev. 604 ft)
4:56 am CDT Sep 9, 2026
5am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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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