Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

81°F

27°C

Humidity 70%
Wind Speed W 5 mph
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 6:15 pm CDT
Extended Forecast for

5 Miles SW Palmyra MO

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 67. Light northeast wind.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    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 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear
    then 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 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 60%.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light northeast wind.
Thursday Night
Mostly clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Calm wind.
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 83. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 64.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Palmyra MO
 39.76°N 91.59°W (Elev. 663 ft)
6:01 pm CDT Aug 19, 2026
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database