Jasper County is under a Severe Thunderstorm Watch. Should a storm form, the most likely time of arrival for us will be approximately 7 PM, plus or minus. Here is the verbiage from the NWS:
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 368
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT SUN JUN 28 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
FAR NORTHWEST ARKANSAS
SOUTHEAST KANSAS
SOUTHWEST AND SOUTH CENTRAL MISSOURI
NORTHEAST OKLAHOMA

* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 515 PM
UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE
ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE

SUMMARY...WIDELY SCATTERED THUNDERSTORMS...POSSIBLY INCLUDING A
COUPLE SUPERCELLS...WITH LOCALLY DAMAGING WIND...SEVERE HAIL...AND
POSSIBLY A TORNADO...WILL MOVE GENERALLY SOUTH-SOUTHEAST ACROSS THE
MISSOURI OZARKS AND ADJACENT PARTS OF NW ARKANSAS...SE KANSAS...AND
NE OKLAHOMA THROUGH LATE EVENING.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES EAST NORTHEAST
OF FORT LEONARD WOOD MISSOURI TO 15 MILES SOUTHWEST OF
BARTLESVILLE OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).