615
FNUS73 KFGF 192032
FWSFGF
SPOT FORECAST FOR FLOWING MIDDLE RX...MN DNR
NATIONAL WEATHER SERVICE GRAND FORKS ND
332 PM CDT SUN APR 19 2026
FORECAST IS BASED ON IGNITION TIME OF 1700 CDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CALL THE NWS IN GRAND FORKS AT 701-795-5127 FOR ADDITIONAL
INFORMATION AND MONITOR OUR WEBSITE (WWW.WEATHER.GOV/FGF) OR NOAA
ALL-HAZARDS RADIO FOR THE LATEST UPDATES.
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...
DISCUSSION
A FRONTAL ZONE WILL BE APPROACHING THE WESTERN CLAY COUNTY IN THE
REGION OF THE SPOT FORECAST MONDAY EVENING, AND SURFACE GRADIENT
WILL BE WEAKENING ALONG WITH DECREASING MIXING. INITIALLY WINDS
MAY STILL BE GUSTY (AROUND 20 MPH) AT 6PM WITH RH NEAR 30 PERCENT,
HOWEVER BOTH RH WILL BE RISING AND WINDS DECREASING QUICKLY BETWEEN
6PM AND 8PM. THE MAIN RESULT OF THE FRONTAL ZONE PASSAGE WILL WINDS
SHIFTING FROM THE SOUTHWEST TO THE NORTH AND RH INCREASING WELL
ABOVE 70% BY LATE EVENING. WE WILL BE MONITORING NEAR CRITICAL
FIRE WEATHER CONDITIONS ON TUESDAY AFTERNOON OVER PARTS OF THE
REGION, THOUGH WINDS MAY NOT AS STRONG IN THE AREA OF THE SPOT
FORECAST.
6 PM MONDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 15 MPH.
MIXING HEIGHT.......3800 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 25 MPH.
SMOKE DISPERSAL.....(82600 KNOT-FT).
TIME (CDT) 5PM
SKY (%).........15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............63
RH..............32
20 FT WIND DIR..SW
20 FT WIND SPD..15
20 FT WIND GUST.20
MIX HGT (KFT)...3.8
MIXING WIND DIR.SW
MIXING WIND SPD.25
VRATE KT-FT/1K..83
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTH 5 TO 10 MPH OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 TO 20 MPH DECREASING TO AROUND 10 MPH
EARLY IN THE EVENING, THEN SHIFTING TO THE
NORTHWEST LATE IN THE EVENING SHIFTING TO THE
NORTHEAST OVERNIGHT.
SMOKE DISPERSAL.....59500 KNOT-FT EARLY IN THE EVENING DECREASING
TO 3200 KNOT-FT LATE IN THE NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........16 8 6 7 7 6 6 5 5 6 6 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 62 58 55 52 50 48 46 44 41 39 38
RH..............35 38 44 49 56 61 71 73 76 82 85 82
20 FT WIND DIR..SW SW SW W W NW N N N N N N
20 FT WIND SPD..15 10 10 10 10 10 10 10 10 10 10 5
20 FT WIND GUST.20 15 14 12 11 12 13 14 14 13 12 11
MIX HGT (KFT)...3.3 0.9 0.7 0.5 0.4 0.4 0.5 0.6 0.5 0.5 0.4 0.3
MIXING WIND DIR.W W SW W NW NW N N N NE NE NE
MIXING WIND SPD.20 15 10 10 10 10 15 15 15 15 15 10
VRATE KT-FT/1K..60 11 6 4 3 4 6 8 7 6 5 3
TUESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHEAST LATE IN THE AFTERNOON.
MIXING HEIGHT.......3800 FT AGL.
MIXING WINDS........NORTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHEAST LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....2400 KNOT-FT EARLY IN THE MORNING INCREASING TO
23200 KNOT-FT IN THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 11 9 6 4 3 3 2 3 4 5 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............37 37 40 44 48 52 55 58 60 62 63 64
RH..............85 85 76 68 58 45 40 37 34 30 32 35
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE E SE SE
20 FT WIND SPD..5 5 5 5 5 5 5 5 10 10 9 5
20 FT WIND GUST.11 9 8 7 7 7 8 8 15 15 12 9
MIX HGT (KFT)...0.3 0.4 0.7 1.1 1.7 2.2 2.7 3.2 3.6 3.8 3.7 3.2
MIXING WIND DIR.NE NE NE NE NE NE N N NE SE S S
MIXING WIND SPD.10 10 10 10 10 10 10 10 10 5 5 10
VRATE KT-FT/1K..2 3 5 9 13 17 20 22 23 23 22 21
FORECASTER...DJR
REQUESTED BY...GREG HENDERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2610751.0/FGF
.DELDT 04/19/26
.FORMATTERVERSION 2.0.0
.EMAIL GREG.HENDERSON@STATE.MN.US
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