214  
FXUS63 KFGF 161715  
AFDFGF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
1215 PM CDT SAT MAY 16 2026  
   
KEY MESSAGES  
 
- CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP THIS AFTERNOON  
IN WEST-CENTRAL MINNESOTA.  
 
- NEAR CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST IN  
SOUTHEAST NORTH DAKOTA INTO WEST-CENTRAL MINNESOTA SATURDAY  
LATE MORNING INTO THE AFTERNOON.  
 
- THERE IS A 2 OUT OF 5 RISK FOR A FEW ELEVATED THUNDERSTORMS  
BRINGING A THREAT FOR ONE INCH HAIL SUNDAY AFTERNOON.  
 
 
   
UPDATE  
 
ISSUED AT 1000 AM CDT SAT MAY 16 2026  
 
A RED FLAG WARNING HAS BEEN ISSUED FOR PORTIONS OF WEST-CENTRAL  
MINNESOTA WHERE WINDS WILL OVERLAP WITH LOWER RELATIVE HUMIDITY  
THIS AFTERNOON. HIGHLY RECEPTIVE FUELS EXIST ACROSS THESE AREAS,  
SO ANY IGNITION WILL HAVE A HIGH PROBABILITY TO SPREAD. NEAR  
CRITICAL CONDITIONS REMAIN EXPECTED BUFFERED AROUND THE RED FLAG  
WARNING ZONE, BUT WINDS WILL BE MUCH LESS LIKELY TO OVERLAP  
WITH THE LOWEST RELATIVE HUMIDITIES.  
 
UPDATE  
ISSUED AT 620 AM CDT SAT MAY 16 2026  
 
MOSTLY CLEAR SKIES PREVAIL ACROSS MOST OF WEST CENTRAL AND  
NORTHWEST MINNESOTA THIS MORNING, WITH PARTLY TO MOSTLY CLOUDY  
SKIES IN NORTHEAST NORTH DAKOTA AND PARTS OF THE SOUTHERN RED  
RIVER VALLEY. TEMPERATURES ARE IN THE 40S IN MOST PLACES, WITH A  
FEW READINGS IN THE UPPER 30S ALONG THE INTERNATIONAL BORDER.  
 
UPDATE  
ISSUED AT 849 PM CDT FRI MAY 15 2026  
 
GUSTY WINDS ARE LESSENING AS ANTICIPATED WITH THE LOSS OF  
DAYTIME HEATING AND MIXING. THIS IS ALLOWING BLOWING DUST / DIRT  
TO SETTLE WITH AREA WEBCAMS AND SURFACE OBSERVATIONS SHOWING  
IMPROVING VISIBILITY.  
 
RELATIVE HUMIDITY VALUES ARE STARTING TO INCREASE AS WELL WITH  
LOSS OF DAYTIME HEATING AS WELL AS COLD FRONT MOVING INTO THE  
REGION. THIS WILL END CRITICAL FIRE WEATHER CONDITIONS EARLY  
THIS EVENING.  
 
UPDATED THE KEY MESSAGES TO REMOVE OUT OF DATE MESSAGES RELATING  
TO IMPACTS FROM EARLIER TODAY, WHILE ALSO HOISTING ADDITIONAL  
KEY MESSAGE NOTING ON NEAR CRITICAL FIRE WEATHER CONDITIONS IN  
PORTIONS OF SOUTHEAST NORTH DAKOTA AND WEST-CENTRAL MINNESOTA  
LATE MORNING THROUGH EARLY AFTERNOON SATURDAY. WHILE RH VALUES  
WILL DIP INTO THE 20S AND PERHAPS UPPER TEENS, WINDS ALOFT  
SHOULD DECREASE DURING THE AFTERNOON DURING PEAK HEATING/MIXING.  
THUS, NEAR CRITICAL FIRE WEATHER CONDITIONS WILL BE DERIVED  
MAINLY FROM VERY DRY AIR / LOW RH VALUES.  
 
UPDATE  
ISSUED AT 519 PM CDT FRI MAY 15 2026  
 
A BLOWING DUST ADVISORY HAS BEEN ISSUED FOR PORTIONS OF  
NORTHEAST ND INTO NORTHWEST MN THROUGH 9 PM THIS EVENING.  
SATELLITE IMAGERY, AREA WEBCAMS, AND AUTOMATED SURFACE  
OBSERVATIONS STRONGLY SUGGEST VISIBILITY REDUCTIONS FROM BLOWING  
DUST / DIRT IS BELOW 1 MILE, LOCALLY TO QUARTER MILE OR EVEN  
NEAR ZERO (PARTICULARLY IN FAR NORTHERN RED RIVER VALLEY). THIS  
WILL CONTINUE THROUGH THE REST OF THE AFTERNOON UNTIL AROUND  
SUNSET WHEN WINDS ARE FORECAST TO START WANING.  
 
A PORTION OF THE WIND ADVISORY HAS BEEN UPGRADED TO A HIGH WIND  
WARNING WITHIN DEVILS LAKE BASIN OF NORTHEAST NORTH DAKOTA. THIS  
IS DUE TO OBSERVED WIND GUSTS UNDERNEATH HIGH BASED RAIN SHOWERS  
OVER 60 MPH. AREA WEBCAMS WITHIN THESE SHOWER-INDUCED SEVERE  
GUSTS SHOW POTENTIAL FOR LOCALIZED NEAR ZERO VISIBILITY FROM  
BLOWING DUST / DIRT, FURTHER EXACERBATING POTENTIAL IMPACTS TO  
TRAVEL CONDITIONS IN THIS REGION FOR THE FRIDAY AFTERNOON  
COMMUTE. THIS POTENTIAL ALSO CONTINUES THROUGH THE AFTERNOON  
UNTIL AROUND SUNSET.  
 
CRITICAL FIRE WEATHER CONDITIONS ALSO CONTINUE THIS AFTERNOON  
INTO EARLY EVENING WITH RH VALUES VERY LOW INTO THE TEENS  
COUPLED WITH GUSTY WINDS AND DRY FUELS.  
 
 
   
DISCUSSION  
 
ISSUED AT 121 PM CDT FRI MAY 15 2026  
   
..SYNOPSIS  
 
UPPER LOW CONTINUES TO ROTATE OVER CENTRAL MANITOBA, AND WILL PULL  
EASTWARD INTO ONTARIO TONIGHT. THE TIGHT PRESSURE GRADIENT OVER  
OUR NORTHERN CWA WILL CONTINUE INTO THIS AFTERNOON, AND MODEL  
SOUNDINGS HAVE SOME SPOTS MIXING ALL THE WAY UP TO 650MB WITH  
GUSTS CLOSE TO 50 KTS OUT OF THE QUESTION. SO FAR THE BLOWING DUST  
HAS BEEN LOW IMPACT, BUT WILL CONTINUE TO MONITOR WITH THE POTENTIAL  
FOR HIGHER GUSTS REMAINING THROUGH THE AFTERNOON. AS THE LOW PULLS  
EAST TONIGHT, THE PRESSURE GRADIENT ACROSS OUR NORTHERN COUNTIES  
WILL RELAX THIS EVENING. SOME COLD AIR ADVECTION LATE TONIGHT INTO  
TOMORROW AS A FRONT DROPS DOWN. THE UPPER FLOW QUICKLY SHIFTS TO THE  
SOUTHWEST SATURDAY NIGHT, WITH A LEAD SHORTWAVE COMING THROUGH ON  
SUNDAY. THE SOUTHWESTERLY FLOW AND ANOTHER SHORTWAVE PUSHING UP INTO  
THE REGION MONDAY, THEN THE UPPER TROUGH AXIS SHIFTS TO THE EAST OF  
US BY TUESDAY. LOW HEIGHTS WITH THE TROUGH COULD BRING  
SOME FAIRLY COOL TEMPS FOR TUESDAY, AND MAY HAVE TO  
WATCH FOR NEAR FREEZING READINGS TUESDAY NIGHT. NORTHWESTERLY  
FLOW ALOFT SETS UP FOR MID TO LATE NEXT WEEK, BUT A COUPLE OF WEEK  
SHORTWAVES MOVING THROUGH COULD BRING SOME PERIODIC LIGHT  
PRECIPITATION CHANCES ALONG WITH TEMPERATURES WARMING BACK UP TO  
NEAR SEASONAL AVERAGES FOR FRIDAY.  
   
..WIND AND BLOWING DUST POTENTIAL  
 
HIGHEST WINDS SO FAR HAVE BEEN ALONG OUR NORTHERN TIER, ALTHOUGH A  
FEW HIGHER GUSTS ABOVE 40 MPH HAVE STARTED POPPING UP ALONG THE  
HIGHWAY 2 CORRIDOR. SO FAR THE WORST OF THE BLOWING DUST SIGNAL ON  
SATELLITE HAS BEEN STAYING UP IN CANADA, BUT WILL HAVE TO WATCH  
CLOSELY AS WE GET A BIT MORE MIXING THIS AFTERNOON. HREF  
PROBABILITIES OF GUSTS OVER 50 MPH ARE STILL AROUND 40 PERCENT IN  
PARTS OF OUR NORTHERN TIER. FOR NOW, THE WIND ADVISORY CONTINUES TO  
SEEM ON TRACK AND WILL WATCH FOR ANY BLOWING DUST BRINGING  
VISIBILITY DOWN BELOW 2 MILES.  
   
..RED FLAG INTO THE EVENING AND OTHER FIRE CONCERNS  
 
WITH WINDS CONTINUING TO GUST UP TO 45 OR 50 MPH IN THE NORTH, AND  
EVEN OUTSIDE THE WIND ADVISORY AREA SOME SUSTAINED SPEEDS AROUND  
AROUND 20 TO 25 MPH, WHICH IS PLENTY OF WIND WHEN THE RH IS 20  
PERCENT OR LOWER. RED FLAG CONDITIONS SHOULD CONTINUE THROUGH THIS  
AFTERNOON AND INTO THE EARLY EVENING BEFORE THE RHS START TO RECOVER  
AND WINDS SLOWLY COME DOWN. CONDITIONS WILL STILL BE DRY INTO  
TOMORROW AND A FEW SPOTS IN OUR SOUTHERN COUNTIES COULD GET BELOW 25  
PERCENT FOR RH, STAYING AROUND 35 PERCENT IN THE NORTH. WINDS WILL  
FORTUNATELY BE A LOT LESS, WITH SUSTAINED SPEEDS STAYING IN THE  
TEENS AND ANY GUSTS AROUND 20 MPH. RELIEF FOR FIRE WEATHER CONCERNS  
SHOULD COME SUNDAY AS PRECIPITATION STARTS TO MOVE INTO THE REGION.  
   
..WIDESPREAD RAIN SUNDAY AND MONDAY  
 
WITH SOUTHWESTERLY FLOW ALOFT AND A SHORTWAVE TROUGH COMING OUT,  
MOST OF OF THE MODELS BRING IN RAIN STARTING LATE SATURDAY NIGHT AND  
CONTINUING INTO SUNDAY. ANOTHER SHORTWAVE COMING OUT MONDAY WILL  
BRING ADDITIONAL RAINFALL, ALTHOUGH THE TRACK IS A BIT FURTHER SOUTH  
THAN THE FIRST WAVE. HIGHEST RAINFALL AMOUNTS LOOK TO BE IN THE  
SOUTH WHERE THERE IS A 50 PERCENT CHANCE FOR OVER AN INCH OF LIQUID  
IN THOSE TWO DAYS. HOWEVER, EVEN UP NEAR THE CANADIAN BORDER THE  
PROBABILITIES FOR AT LEAST A HALF AN INCH ARE PRETTY HIGH, SO  
WIDESPREAD WETTING RAIN SEEMS LIKELY.  
   
..SEVERE CHANCES SUNDAY AFTERNOON  
 
THERE IS A LEVEL 2 OUT OF 5 RISK FOR SOME SEVERE STORMS TO DEVELOP  
SUNDAY AFTERNOON FOR PORTIONS OF SOUTHEASTERN ND AND WEST CENTRAL  
MN. MUCH WILL DEPEND ON HOW THE MORNING RAINFALL PLAYS OUT, AND IF  
WE CAN GET THE WARM FRONT TO PUSH FAR ENOUGH NORTH TO GET INTO OUR  
SOUTHERN COUNTIES. STILL, QUITE A FEW OF THE ENSEMBLE MEMBERS HAVE  
SOME ELEVATED INSTABILITY AROUND 1500 J/KG, EVEN THOUGH THE AVERAGE  
SURFACE BASED CAPE IS ONLY AROUND 200 J/KG. CAN'T RULE OUT SOME  
ELEVATED STORMS THAT COULD PRODUCE SOME QUARTER SIZED HAIL, SO WILL  
MONITOR HOW THINGS EVOLVE CLOSELY ON SUNDAY.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/  
 
ISSUED AT 1212 PM CDT SAT MAY 16 2026  
 
MVFR CEILINGS CONTINUE TO LINGER THIS MORNING BUT SHOULD LIFT  
OVER THE NEXT 1-3 HOURS, BECOMING MOSTLY VFR. WINDS WILL ALSO  
DIMINISH LATER THIS AFTERNOON TO GENERALLY 10-15 KNOTS SUSTAINED  
AND DIRECTIONS SHIFTING CLOCKWISE TOWARDS MORE NORTHEASTERLY AND  
EASTERLY BY LATE THIS EVENING. THIS WILL BE IN ADVANCE OF A  
WIDESPREAD RAIN EVENT THAT WILL IMPACT ALL TAF SITES, BUT  
THE BULK OF IMPACTS WILL BE AFTER THE END OF THE TAF PERIOD.  
VISIBILITY REDUCTIONS WITHIN RAIN ARE POSSIBLE BETWEEN 15Z-18Z  
AT DVL AND FAR, EVENTUALLY SPREADING TOMORROW AFTERNOON TO  
IMPACTING ALL TAF SITES. TSRA MAY ALSO ACCOMPANY THIS AT FAR,  
PARTICULARLY TOMORROW AFTERNOON.  
 
 
   
FGF WATCHES/WARNINGS/ADVISORIES  
 
ND...NONE.  
MN...RED FLAG WARNING UNTIL 9 PM CDT THIS EVENING FOR MNZ030>032-  
040.  
 
 
 
 
 
UPDATE...LYNCH/PERROUX  
DISCUSSION...JR  
AVIATION...PERROUX  
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