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

Hazardous Weather Conditions

Current conditions at

Petersburg, Grant County Airport (KW99)

Lat: 38.98°NLon: 79.13°WElev: 961ft.

Fair

94°F

34°C

Humidity 45%
Wind Speed Vrbl 3 mph
Barometer 30.15 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 23 Jun 5:55 pm EDT
Extended Forecast for

3 Miles SSE Petersburg, Grant County Airport WV

Heat Advisory June 24, 11:00am until June 24, 09:00pm
Heat Advisory June 23, 06:06pm until June 23, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory June 23, 06:06pm until June 23, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 98 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 50%.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Light and variable wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Petersburg, Grant County Airport WV
 38.94°N 79.11°W (Elev. 1099 ft)
Last Update:
4:31 pm EDT Jun 23, 2025
Forecast Valid:
6pm EDT Jun 23, 2025-6pm EDT Jun 30, 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