Major Heat Wave Expected for Two-Thirds of the U.S.

A dangerous and widespread summer heat wave is expected through this upcoming weekend across much of the Central and Eastern U.S. A large dome of high pressure will allow high temperatures to surge into the 90s and 100s in many locations, while heat indices will top 100 and approach 110 degrees or higher. There also will be no relief at night, as low temperatures remain in the upper 70s and 80s. Read More >

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair with Haze

28°C

82°F

Humidity 79%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 24°C (75°F)
Visibility 10 km
Heat Index32°C (89°F)
Last update 17 Jul 9:15 am CDT
Extended Forecast for

Sullivan MO

Excessive Heat Warning July 17, 01:00pm until July 20, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Increasing clouds, with a high near 34. Heat index values as high as 41. Southwest wind 8 to 11 km/h.

    Sunny then
    Chance
    T-storms

    High: 34 °C

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Southwest wind 8 to 11 km/h.

    Decreasing
    Clouds

    Low: 23 °C

  • Thursday

    Thursday: Sunny, with a high near 35. Heat index values as high as 41. Southwest wind 11 to 16 km/h.

    Sunny

    High: 35 °C

  • Thursday
    Night

    Thursday Night: Clear, with a low around 23. South wind 11 to 14 km/h.

    Clear

    Low: 23 °C

  • Friday

    Friday: Sunny and hot, with a high near 36. Southwest wind around 14 km/h.

    Hot

    High: 36 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 23.

    Mostly Clear

    Low: 23 °C

  • Saturday

    Saturday: Sunny, with a high near 35.

    Sunny

    High: 35 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 23.

    Mostly Clear

    Low: 23 °C

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 34.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 34 °C

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds, with a high near 34. Heat index values as high as 41. Southwest wind 8 to 11 km/h.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Southwest wind 8 to 11 km/h.
Thursday
Sunny, with a high near 35. Heat index values as high as 41. Southwest wind 11 to 16 km/h.
Thursday Night
Clear, with a low around 23. South wind 11 to 14 km/h.
Friday
Sunny and hot, with a high near 36. Southwest wind around 14 km/h.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 23.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 30.
Click Map For Forecast
Point Forecast:
Sullivan MO
 38.2°N 91.16°W (Elev. 243 m)
4:43 am CDT Jul 17, 2019
9am CDT Jul 17, 2019-6pm CDT Jul 23, 2019
 
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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