Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95° N Lon: 91.51° W Elev: 735 ft.

Fair

88°F

31°C

Humidity 59%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 14 Jul 4:15 pm CDT
Detailed forecast for

Jefferson County

Tonight
Clear. Patchy fog after midnight. Humid with lows around 70. East winds around 5 mph this evening, becoming light and variable.
Wednesday
Patchy fog in the morning. Sunny, hot with highs in the lower 90s. Light and variable winds, becoming northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear. Humid with lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable.
Thursday
Sunny, hot with highs in the lower 90s. Light and variable winds, becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. South winds around 5 mph.
Friday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 100.
Friday Night Through Monday Night
Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.
Tuesday
Sunny. Highs in the upper 80s.



Basemap Options
Click map to change the forecast location
Loading map...
303 PM CDT Tue Jul 14 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database