Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Jul 10:35 am CDT
Extended Forecast for

3 Miles SE Fairfield IA

Heat Advisory July 18, 12:00pm until July 18, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 93. Heat index values as high as 103. West wind around 10 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 68. North wind 5 to 10 mph.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. East wind around 5 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm.  Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 93. Heat index values as high as 103. West wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 68. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 89. East wind around 5 mph.
Sunday Night
Mostly clear, with a low around 68. Southeast wind around 5 mph.
Monday
Sunny, with a high near 94.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Fairfield IA
 40.97°N 91.92°W (Elev. 801 ft)
10:36 am CDT Jul 18, 2026
10am CDT Jul 18, 2026-6pm CDT Jul 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database