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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Fair

71°F

22°C

Humidity 54%
Wind Speed NE 5 mph
Barometer 30.14 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 6:35 pm EDT
Extended Forecast for

Viper KY

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, sunny, with a high near 70. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely and
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 70. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog after midnight. Otherwise, clear, with a low around 37. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind.
Friday Night
Mostly cloudy, with a low around 48. Calm wind.
Saturday
Sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 57.
Sunday
Showers, mainly after 8am. High near 72. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A 10 percent chance of showers before 8am. Patchy fog before 10am. Otherwise, sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 73.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 45.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Viper KY
 37.18°N 83.14°W (Elev. 1001 ft)
Last Update:
6:33 pm EDT Oct 15, 2025
Forecast Valid:
6pm EDT Oct 15, 2025-6pm EDT Oct 22, 2025
 
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