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

Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed SE 9 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jun 11:15 pm CDT
Extended Forecast for

Medora IL

Flash Flood Watch until June 26, 07:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until June 26, 07:00am

    NOW until
    7:00am Sat

    Flash Flood Watch

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 2am. Some of the storms could produce heavy rain. Low around 72. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Heavy Rain

    Low: 72 °F

  • Friday

    Friday: Showers and thunderstorms. Some of the storms could produce heavy rain. High near 89. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Heavy Rain

    High: 89 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 74. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Heavy Rain

    Low: 74 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 91 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 73. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 73 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 70 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

Detailed Forecast

Tonight
Showers and thunderstorms, mainly after 2am. Some of the storms could produce heavy rain. Low around 72. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Friday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 89. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 74. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Medora IL
 39.19°N 90.12°W (Elev. 600 ft)
Last Update:
10:42 pm CDT Jun 24, 2021
Forecast Valid:
11pm CDT Jun 24, 2021-6pm CDT Jul 1, 2021
 
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