574
FXUS63 KFGF 212327
AFDFGF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND FORKS ND
627 PM CDT MON SEP 21 2026
KEY MESSAGES
- PATCHY FROST IS EXPECTED TONIGHT ACROSS PARTS OF NORTHWEST
MINNESOTA, WITH LOWER CHANCES IN NORTHEAST NORTH DAKOTA.
- OUR NEXT CHANCE FOR PRECIPITATION WILL BE WEDNESDAY NIGHT
INTO THURSDAY, THEN ONCE MORE THIS WEEKEND.
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 /00Z TAFS THROUGH 00Z WEDNESDAY/
ISSUED AT 627 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/KDVL WITH BASES AROUND 5,000 FT AGL, BUT BEING VFR, NOT
AVIATION IMPACTS ARE EXPECTED. WINDS WILL BE CALM AND VARIABLE
OVERNIGHT, THEN BECOME SOUTHEASTERLY FOR TUESDAY AT UP TO 10
KNOTS.
FGF WATCHES/WARNINGS/ADVISORIES
ND...NONE.
MN...FROST ADVISORY FROM MIDNIGHT TONIGHT TO 8 AM CDT TUESDAY FOR
MNZ006-009-016-017-023-024.
DISCUSSION...LYNCH
AVIATION...RAFFERTY
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