Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Partly Cloudy

64°F

18°C

Humidity 67%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 30 Mar 11:15 pm EDT
Extended Forecast for

2 Miles SSW Viper KY

  • Tonight

    Tonight: Mostly clear, with a low around 51. South southwest wind around 7 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers after 4pm.  Mostly sunny, with a high near 80. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 8pm.  Partly cloudy, with a low around 56. South southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 81. Southwest wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Light south wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South southwest wind around 7 mph.
Tuesday
A 10 percent chance of showers after 4pm. Mostly sunny, with a high near 80. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 56. South southwest wind around 7 mph, with gusts as high as 15 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
Showers likely. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 41.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Viper KY
 37.16°N 83.17°W (Elev. 1516 ft)
8:36 pm EDT Mar 30, 2026
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 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