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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Last update 17 Sep 7:35 am CDT
Extended Forecast for

2 Miles WSW Hermann MO

Heat Advisory September 17, 07:47am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 07:47am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. Light and variable wind.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 103. Light and variable wind.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 107. West wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 69. Light and variable wind.
Friday
Sunny, with a high near 95. Heat index values as high as 103. Light and variable wind.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Mostly sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hermann MO
 38.69°N 91.48°W (Elev. 597 ft)
Last Update:
5:46 am CDT Sep 17, 2026
Forecast Valid:
7am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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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