Nat weather service is showing a cold front arriving late tues, 30% chance of thunderstorms, and a sharp drop of temps to highs of 77 on wed with slow warming later in the week.
http://www.wrh.noaa.gov/slc/current/meso.nwut.php <--- click on the wendover symbol and see a tabular list of current/reported conditions at Wendover Airport.
Here is the NWS forecast discussion:
http://www.wrh.noaa.gov/forecasts/display_special_product_versions.php?sid=SLC&pil=AFD&version=0AREA FORECAST DISCUSSION
FXUS65 KSLC 040254
AFDSLC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
854 PM MDT MON SEP 3 2007
.SYNOPSIS...A WARM UPPER LEVEL RIDGE WILL REMAIN OVER THE AREA
THROUGH TONIGHT. A PACIFIC STORM SYSTEM WILL IMPACT THE AREA
TOMORROW AND WEDNESDAY BEFORE A DRIER WESTERLY FLOW DEVELOPS ON
THURSDAY.
&&
.DISCUSSION...THUNDERSTORMS DECREASING THIS EVENING BUT SOUTHWEST
UTAH WILL BE ACTIVE THROUGH THE NIGHT AS STORMS CONTINUE TO INCREASE
IN SOUTHERN NEVADA AND MOVE TOWARD SOUTHWEST UTAH. ONE MORE DAY OF
A WARM AND MOIST AIRMASS OVER UTAH BEFORE THE PATTERN CHANGE ON
WEDNESDAY. STORMS TUESDAY SHOULD BE STRONGER AND WETTER THAN OVER
THE WEEKEND AS GFS SHOWS A PLUME OF MOISTURE ADVECTING NORTH OVER
WESTERN UTAH TUESDAY AS SOUTHWEST FLOW INCREASES AHEAD OF THE
INCOMING TROUGH. 700 TO 400 MB SHEAR APPROACHES 40 KNOTS IN
EXTREME NORTHWEST UTAH BY LATE AFTERNOON. A SURFACE FRONT SHOULD
PUSH INTO NORTHERN UTAH TUESDAY EVENING FROM CONVECTION THAT
FORMS TUESDAY AFTERNOON...BUT THE DEEPER FRONT...EXTENDING TO 500
MB ARRIVES WEDNESDAY AFTERNOON. AT THAT TIME SHEAR WILL BE 50
KNOTS AND STRONGER THUNDERSTORMS LIKELY WITH THE MAIN TROUGH
ALOFT. EVENING NAM12 SHOW 700 MB TEMPERATURES DOWN TO ABOUT 3C BY
THURSDAY MORNING OVER NORTHERN UTAH WHICH WILL BE A SIGNIFICANT
CHANGE TO THE 15 TO 16C AIRMASS OF THE LAST WEEK. A COOLER AND DRY
AIRMASS WILL THEN BE OVER UTAH FOR THE NEXT WEEK FOLLOWING THE
MID-WEEK TROUGH.
Larry