Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Petersburg, Grant County Airport (KW99)

Lat: 38.98°NLon: 79.13°WElev: 961ft.

Fair

80°F

27°C

Humidity 77%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 10:10 am EDT
Extended Forecast for

4 Miles WNW Rio WV

  • Today

    Today: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 67. Calm wind.

    Partly Cloudy
    then Patchy
    Fog

    Low: 67 °F

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 87. Light southwest wind increasing to 6 to 11 mph in the morning.

    Patchy Fog
    then Partly
    Sunny

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 67. Southwest wind 5 to 9 mph.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 67 °F

  • Wednesday

    Wednesday: A chance of showers, mainly between 8am and 2pm.  Partly sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Thursday

    Thursday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Friday

    Friday: Sunny, with a high near 73.

    Sunny

    High: 73 °F

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Light southwest wind increasing to 6 to 11 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
4 Miles WNW Rio WV
 39.15°N 78.73°W (Elev. 1453 ft)
9:38 am EDT Aug 21, 2017
10am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database