National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Sep 9:35 pm CDT
Extended Forecast for

4 Miles SSW Hermann MO

Heat Advisory September 16, 09:54pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 09:54pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 103. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Heat index values as high as 102. Calm wind.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy early, then gradual clearing, with a low around 72. Light southeast wind.
Thursday
Sunny, with a high near 95. Heat index values as high as 103. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 71. Light and variable wind.
Friday
Sunny, with a high near 94. Heat index values as high as 102. Calm wind.
Friday Night
Mostly clear, with a low around 71. Light and variable wind.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 90.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hermann MO
 38.65°N 91.45°W (Elev. 725 ft)
Last Update:
6:06 pm CDT Sep 16, 2026
Forecast Valid:
9pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation