Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. 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

New Melle MO

  • Overnight

    Overnight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Isolated showers, then showers and thunderstorms likely after 2am.  Increasing clouds, with a low around 69. Light and variable wind becoming northwest around 6 mph after midnight.  Chance of precipitation is 70%.

    Low: 69 °F

    Mostly Clear
    then T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 1pm.  High near 82. South wind 5 to 7 mph becoming calm  in the afternoon.  Chance of precipitation is 80%.

    High: 82 °F

    T-storms then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm.  Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Calm wind.
Tuesday
Increasing clouds, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Isolated showers, then showers and thunderstorms likely after 2am. Increasing clouds, with a low around 69. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms, mainly before 1pm. High near 82. South wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 66. Calm wind.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
New Melle MO
 38.7°N 90.88°W (Elev. 732 ft)
1:26 am CDT Aug 18, 2026
1am CDT Aug 18, 2026-6pm CDT Aug 24, 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