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.

Partly Cloudy

81°F

27°C

Humidity 70%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 2:15 pm CDT
Extended Forecast for

Mount Union IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 81. Northeast wind around 5 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northeast wind around 5 mph becoming east in the evening.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 81. Calm wind becoming northeast around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm, then a chance of showers after 1am.  Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

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

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 81. Northeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northeast wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of thunderstorms before 7pm, then a chance of showers after 1am. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Union IA
 41.05°N 91.4°W (Elev. 778 ft)
2:16 pm CDT Aug 19, 2026
2pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database