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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 21 May 12:35 am EDT
Extended Forecast for

Madisonville TN

  • Overnight

    Overnight: A 50 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 81. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then showers likely after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 63. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 80. South wind 5 to 10 mph. Chance of precipitation is 100%.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 81. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 1am, then showers likely after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 80. South wind 5 to 10 mph. Chance of precipitation is 100%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Memorial Day
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Madisonville TN
 35.51°N 84.37°W (Elev. 1010 ft)
Last Update:
7:06 pm EDT May 20, 2026
Forecast Valid:
12am EDT May 21, 2026-6pm EDT May 27, 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