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

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.93 in (1012.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 11:53 pm CDT
Extended Forecast for

6 Miles NE Portland MO

  • Overnight

    Overnight: Showers and thunderstorms, mainly after 2am. Some of the storms could produce heavy rainfall.  Low around 66. Light and variable wind becoming north around 5 mph.  Chance of precipitation is 90%.

    Low: 66 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 2pm.  High near 79. East wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 80%.

    High: 79 °F

    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Light northeast wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Northeast wind 3 to 5 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms, mainly after 2am. Some of the storms could produce heavy rainfall. Low around 66. Light and variable wind becoming north around 5 mph. Chance of precipitation is 90%.
Wednesday
Showers and thunderstorms, mainly before 2pm. High near 79. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 65. Light northeast wind.
Thursday
Mostly sunny, with a high near 81. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Portland MO
 38.76°N 91.65°W (Elev. 801 ft)
10:26 pm CDT Aug 18, 2026
12am CDT Aug 19, 2026-6pm CDT 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