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

Capital Region International Airport (KLAN)

Lat: 42.78°NLon: 84.6°WElev: 856ft.

Overcast

73°F

23°C

Humidity 74%
Wind Speed Calm
Barometer 29.92 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 9:53 pm EDT
Extended Forecast for

3 Miles SW Lansing MI

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then a chance of showers.  Low around 63. West southwest wind around 7 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am.  Partly sunny, with a high near 79. Northwest wind 3 to 6 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Light east northeast wind.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 8pm.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm.  Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 63. West southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 79. Northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 54. Light and variable wind.
Thursday
Sunny, with a high near 80. Light east northeast wind.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers after 8pm. Partly cloudy, with a low around 61.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79.
Saturday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lansing MI
 42.69°N 84.6°W (Elev. 876 ft)
10:03 pm EDT Aug 18, 2026
10pm EDT Aug 18, 2026-6pm EDT Aug 25, 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