362  
FXUS63 KFGF 221122  
AFDFGF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
622 AM CDT WED JUL 22 2026  
   
KEY MESSAGES  
 
- AT TIMES NEAR CRITICAL FIRE WEATHER THIS WEEK.  
 
- WARMING UP THIS WEEKEND WITH POTENTIAL FOR HEAT IMPACTS.  
 
 
   
UPDATE  
 
ISSUED AT 617 AM CDT WED JUL 22 2026  
 
CHAT WITH WFO DLH ON FIRE WEATHER GAME PLAN IS TO REVERT BACK TO  
STANDARD OPERATIONS AS GIVEN IN THE MINNESOTA FIRE OPERATIONS  
PLAN. FIRE BEHAVIOR ISNT HAS BAD AND NO NEW FIRES IN THE  
BWCA. SO NO SPS TODAY FOR NEAR CRITICAL FIRE WX IN NORTH CENTRAL  
MN. NO FIRES HAVE STARTED IN OUR FCST AREA WHICH IS A GREAT  
THING. MAY NEED TO ADDRESS FIRE WEATHER CONCERNS IN FUTURE DAYS  
AS WINDS INCREASE.  
 
UPDATED GRAPHIC FOR DAY 3 MARGINAL SEVERE RISK NE ND & NW MN  
FRIDAY LATE.  
 
UPDATE  
ISSUED AT 1135 PM CDT TUE JUL 21 2026  
 
THE FORECAST REMAINS ON TRACK THIS EVENING WITH MID LEVEL CLOUD  
COVER ACROSS SOUTHEAST NORTH DAKOTA AND OTHERWISE CLEAR SKIES.  
COOLER TEMPERATURES PREVAIL THIS EVENING AS OBSERVATIONS SHOW  
WIDESPREAD 50S TO LOW 60S. LOW TEMPS COULD FALL INTO THE UPPER  
40S ACROSS PARTS OF NORTHWEST MINNESOTA, WITH LOW 50S EXPECTED  
ELSEWHERE.  
 
 
   
DISCUSSION  
 
ISSUED AT 250 PM CDT TUE JUL 21 2026  
   
..SYNOPSIS  
 
BROAD RIDGING OVER THE WESTERN US COUPLED WITH TROUGHING OVER THE  
GREAT LAKES/NORTHEASTERN US LEAVES OUR FA IN NORTHWESTERLY FLOW  
ALOFT. IN THE WAKE OF A COLD FRONT WHICH PASSED THROUGH  
YESTERDAY, TEMPERATURES TODAY HAVE BEEN IN THE 70S AREA WIDE, A  
REPRIEVE FROM RECENT HEAT. TEMPERATURES ON WEDNESDAY WILL BE  
JUST A COUPLE OF DEGREES WARMER. LATER THIS WEEK, RIDGING OVER  
THE WESTERN US WILL BUILD EASTWARD. AS A RESULT, TEMPERATURES  
WILL RISE BACK INTO THE 90S FOR MUCH OF THE FA FRIDAY THROUGH  
SUNDAY. A FEW WAVES RIDING THE PERIPHERY OF THE RIDGE WILL BRING  
PERIODIC CHANCES FOR THUNDERSTORMS STARTING FRIDAY, LASTING  
INTO THE WEEKEND. CAPPING, TIMING OF THE WAVES (DURING PEAK  
DAYTIME HEATING VS OVERNIGHT) AND AVAILABILITY OF MOISTURE WILL  
ALL DETERMINE IF STORMS ACTUALLY DO FORM ANY GIVEN DAY. RIGHT  
NOW, FRIDAY'S WAVE HAS THE BEEN POTENTIAL TO INITIATE A FEW  
STORMS, DEPENDING ON THE STRENGTH OF THE CAP. SHEAR PROFILES ARE  
SUPPORTIVE OF SUPERCELLS IF STORMS CAN FORM, WITH EFFECTIVE  
BULK SHEAR IN EXCESS OF 40 KNOTS.  
 
THE WARMEST DAY OF THE WEEK WILL LIKELY BE SUNDAY AS THE THERMAL  
RIDGE AXIS SITUATES ITSELF OVER THE FA. ENSEMBLE GUIDANCE SHOWS  
US REMAINING ON THE EASTERN PERIPHERY OF RIDGING MUCH OF NEXT  
WEEK AS WELL. EASTWARD EXTEND OF RIDGING WILL DETERMINE HOW  
WARM/HOT WE ARE BEYOND MONDAY, WITH SOME GUIDANCE KEEPING  
TEMPERATURES IN THE 90S UNTIL THE LAST FEW DAYS OF JULY, WHILE  
OTHERS COOL US OFF BY THE END OF THE FORECAST PERIOD INTO THE  
80S.  
   
..NEAR CRITICAL FIRE WEATHER  
 
RECENT DRY WEATHER HAS CAUSED CURING OF FUELS IN PORTIONS OF THE  
REGION, ESPECIALLY IN THE FORESTS OF NORTHWESTERN MN. RH VALUES THIS  
AFTERNOON HAVE REMAINED ELEVATED (50 PERCENT OR HIGHER) BUT WINDS  
GUSTING UP TO 25 MPH COULD STILL CAUSE ANY FIRE THAT STARTS TO  
SPREAD QUICKLY. THEREFORE, AN SPS IS IN EFFECT INTO EARLY THIS  
EVENING FOR NEAR CRITICAL FIRE WEATHER. WINDS WILL BE LIGHTER ON  
WEDNESDAY, ALTHOUGH HUMIDITY WILL LIKELY DECREASE.  
   
..HEAT THIS WEEKEND  
 
AS RIDGING BUILDS EAST, ANOTHER PERIOD OF 90+ DEGREE  
TEMPERATURES IS FORECASTED. THE HIGHEST HEAT INDICES WILL BE IN  
SOUTHEASTERN ND, WHERE HIGHS ARE EXPECTED TO BE IN THE UPPER  
90S. WHILE HUMIDITY WILL NOT BE AS HIGH AS WITH THE PREVIOUS  
HEAT WAVE (WE DO NOT HAVE A GOOD SOURCE OF RICHER DEW POINT AIR  
TO ADVECT NORTHWARD), LOCAL ET CONTRIBUTION WILL LIKELY KEEP DEW  
POINTS IN THE UPPER 50S TO 60S. THIS SHOULD MAINTAIN HEAT  
INDICES VALUES A COUPLE OF DEGREES ABOVE THE AIR TEMPERATURE.  
 
TO PUT INTO CONTEXT RECENT HEAT HERE ARE A FEW QUICK STATISTICS.  
DIGGING INTO CLIMATE RECORDS A BIT, FARGO'S AVERAGE TEMPERATURES  
FROM JULY 1 TO 20 RANKS 3RD, BEHIND 1936 AND 2012. GRAND FORKS  
WFO SITE RANKS 2ND, BEHIND ONLY 1936. WITH TODAY AND TOMORROW  
BEING THE ONLY DAYS OF THE NEXT 7 FORECASTED TO HAVE  
TEMPERATURES NEAR AVERAGE, IT APPEARS THESE RECORDS WILL  
CONTINUE TO HOLD ABOUT STEADY INTO THE END OF THE MONTH - AND  
DEPENDING HOW STUBBORN RIDGING IS INTO NEXT WEEK, OUR MONTHLY  
AVERAGE TEMPERATURE MAY EVEN CLIMB SLIGHTLY. THIS GOES TO SHOW  
THAT WHILE WE HAVE NOT SET A SINGLE DAILY HIGH TEMPERATURE  
RECORD THIS MONTH, THE DURATION OF HEAT (WHICH WILL CONTINUE  
WITH THE UPCOMING STRETCH THIS WEEKEND) HAS BEEN IMPRESSIVE FOR  
OUR REGION.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z THURSDAY/  
 
ISSUED AT 617 AM CDT WED JUL 22 2026  
 
VFR CONDITIONS THRU TONIGHT. LIGHT WINDS TODAY, NEAR CALM TO  
START THE DAY, THEN MAINLY WEST OR SOUTHWEST AROUND 5 KTS THIS  
AFTERNOON. WINDS TURN MORE SOUTHERLY OVERNIGHT UP TO 10 KTS IN  
DEVILS LAKE AREA. SOME HIGH CLOUDS AND SOME HIGH BASED CU TO  
FORM TODAY WITH HEATING.  
 
 
   
FGF WATCHES/WARNINGS/ADVISORIES  
 
ND...NONE.  
MN...NONE.  
 
 
 
 
 
UPDATE...LYNCH/RIDDLE  
DISCUSSION...RAFFERTY  
AVIATION...RIDDLE  
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