Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Hermann MO

Extreme Heat Warning August 10, 12:11pm until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 10, 12:11pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind becoming southwest around 5 mph after midnight.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 7 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Light southwest wind.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96. Southwest wind 3 to 5 mph.

    High: 96 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Cloudy early, then gradual clearing, with a high near 94. Heat index values as high as 103. Southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 75. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 74. Light southwest wind.
Wednesday
Mostly sunny, with a high near 96. Southwest wind 3 to 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermann MO
 38.69°N 91.42°W (Elev. 692 ft)
11:36 am CDT Aug 10, 2026
12pm CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
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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