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

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Light Rain

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 1:15 am CDT
Extended Forecast for

Swedesburg IA

  • Overnight

    Overnight: A 30 percent chance of showers, mainly between 4am and 5am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a steady temperature around 69. Calm wind.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 81 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 62. East wind around 5 mph becoming north in the evening.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Thursday Night

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

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly between 4am and 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 69. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. East wind around 5 mph becoming north in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 81. Calm wind.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Swedesburg IA
 41.1°N 91.54°W (Elev. 748 ft)
1:25 am CDT Aug 19, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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