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

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 12:35 pm CDT
Extended Forecast for

5 Miles ENE Palmyra MO

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 81. Calm wind.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 67. Light north wind.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 84. Light northeast wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm.  Sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 40%.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 67. Light north wind. Chance of precipitation is 60%.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. Light northeast wind.
Thursday Night
Mostly clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Sunny, with a high near 84. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Palmyra MO
 39.82°N 91.44°W (Elev. 469 ft)
11:26 am CDT Aug 19, 2026
12pm 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