237
FXUS63 KFGF 221030
AFDFGF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND FORKS ND
530 AM CDT TUE SEP 22 2026
KEY MESSAGES
- OUR NEXT CHANCE FOR PRECIPITATION WILL BE WEDNESDAY NIGHT
INTO THURSDAY, THEN ONCE MORE THIS WEEKEND.
UPDATE
ISSUED AT 527 AM CDT TUE SEP 22 2026
SOUTHEAST WIND 5 TO 10 MPH OVER THE ENTIRE FORECAST AREA AT 09Z.
THIS WIND AND ALSO SOME ADVECTION OF LOW LEVEL MOISTURE WITH
HIGHER DEW PTS ARE AIDING TO KEEP MANY SPOTS FROM DROPPING INTO
THE FROST RANGE. BUT WE DO HAVE POCKETS WHERE WINDS ARE NEAR
CALM AND RADIATIONAL COOLING HAS BEEN MAXIMIZED AND TEMPS HAVE
DROPPED INTO THE 32-36 RANGE. COOLEST READINGS SOUTH OF LAKE OF
THE WOODS AND POCKETS OF LOWER TEMPS VIA NDAWN STATIONS FROM
WESTERN CASS COUNTY ND INTO WESTERN GRAND FORKS AND CENTRAL
WALSH COUNTY ND. ALSO COLD SPOTS NORMALLY AROUND LAKE ITASCA
DOWN TO NEAR 32F AS WELL. WILL MAINTAIN FROST ADV THRU 12-13Z.
DISCUSSION
ISSUED AT 320 PM CDT MON SEP 21 2026
..SYNOPSIS
H5 UPPER LOW CONTINUES MOVING EAST ACROSS THE PLAINS AND INTO THE
MIDWEST THIS AFTERNOON. MOST OF EASTERN NORTH DAKOTA AND
NORTHWESTERN MINNESOTA IS SEEING MOSTLY SUNNY SKIES AS A RESULT,
WITH ONLY SOME MID LEVEL CLOUD COVER IN WEST CENTRAL MINNESOTA.
HIGHS THIS AFTERNOON WILL REACH THE LOW TO MID 60S. FOR TONIGHT,
LOWS ARE EXPECTED TO FALL INTO THE LOWER 40S ACROSS MUCH OF THE
AREA, WITH THE POSSIBILITY FOR MIDDLE TO UPPER 30S IN PORTIONS OF
NORTHWEST MINNESOTA. SIMILAR CONDITIONS PREVAIL ON TUESDAY WITH
HIGHS IN THE 60S, PERHAPS APPROACHING 70 DEGREES IN THE NORTHERN RED
RIVER VALLEY. OUR NEXT CHANCE FOR PRECIPITATION ENTERS THE FORECAST
LATE WEDNESDAY INTO THURSDAY, WITH ADDITIONAL RAIN CHANCES THIS
WEEKEND.
..FROST POSSIBLE TONIGHT INTO TUESDAY MORNING
LOW TEMPERATURES TONIGHT ARE EXPECTED TO FALL INTO THE MIDDLE 30S TO
UPPER 30S, PRIMARILY IN NORTHWEST MINNESOTA (60 PERCENT CHANCE),
WITH A LOWER CHANCE (20 PERCENT) IN THE NORTHERN RED RIVER VALLEY
AND FAR NORTHEAST NORTH DAKOTA. RADIATIONAL COOLING IS EXPECTED TO
BE EFFICIENT AS WINDS GO NEARLY CALM TONIGHT ACROSS THE AREA. DEW
POINTS WILL GENERALLY BE IN THE MIDDLE TO UPPER 30S AS WELL, THUS
LIMITING THE FLOOR OF LOWER TEMPS. PATCHY GROUND FOG COULD FORM IN
COOLER SPOTS AROUND SUNRISE.
AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/
ISSUED AT 1142 PM CDT MON SEP 21 2026
VFR WILL CONTINUE THROUGHOUT THE TAF PERIOD AT ALL TERMINALS.
THERE WILL BE A DECK OF CLOUDS THAT FORMS OVERNIGHT AROUND
KFAR WITH BASES AROUND 5,000 FT AGL, BUT BEING VFR, NO AVIATION
IMPACTS ARE EXPECTED. WINDS WILL BE CALM AND VARIABLE
OVERNIGHT, THEN BECOME SOUTHEASTERLY FOR TUESDAY AT UP TO 12
KNOTS. THERE WILL BE SEVERAL HOURS DURING THE AFTERNOON OF GUSTS
UP TO ABOUT 20 KNOTS AT KGFK, KDVL AND KFAR. WINDS WILL DECREASE
QUICKLY TUESDAY EVENING AROUND SUNSET.
FGF WATCHES/WARNINGS/ADVISORIES
ND...NONE.
MN...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR MNZ006-009-016-
017-023-024.
UPDATE...RIDDLE
DISCUSSION...LYNCH
AVIATION...RAFFERTY
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