Spot Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
698
FNUS73 KDLH 181017
FWSDLH
Spot Forecast for Superior SAR...SLCRS
National Weather Service Duluth MN
517 AM CDT Mon Aug 18 2025
Forecast is based on forecast start time of 0600 CDT on August 18.
If there are questions or concerns with this forecast, or if
conditions become unrepresentative, contact the National
Weather Service in Duluth at 218-729-0653.
.DISCUSSION...
Weak high pressure builds today decreasing wind speeds. Cloud
cover should remain with some potential for showers and maybe an
isolated thunderstorm. Some fog tonight though generally improving
conditions. Getting warmer.
.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of
showers and thunderstorms in the morning and
early afternoon, then slight chance of showers
and thunderstorms early in the afternoon.
Chance of pcpn......50 percent.
Chance of thunder...37 percent.
Max temperature.....Around 71.
Min humidity........76 percent.
Surface winds (mph).Northeast winds 7 to 9 mph.
Ceiling (kft).......1.1 decreasing to 0.9 late in the morning, then
decreasing to 0.7 late in the morning
increasing to 0.8 in the afternoon.
Visibility (sm).....6 increasing to 8 early in the morning, then
decreasing to 7 in the late morning and
afternoon.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CDY CDY CDY CDY MC CDY MC MC CDY MC MC MC
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH
Weather type....RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH
Chc of pcpn (%).50 50 50 50 50 40 30 30 20 20 10 10
Chc of thdr (%).40 40 30 30 20 20 20 20 20 20 10 10
Temp............60 62 63 64 65 65 67 68 67 68 69 70
RH..............93 87 84 84 81 84 81 81 84 81 81 78
Surface wnd dir.E E E E E E E E NE NE NE NE
Surface wnd spd.9 9 9 9 8 8 8 8 8 8 7 7
Surface wnd gst.15 16 16 15 15 15 15 15 15 15 15 14
Ceiling (kft)...1.3 1.3 1.1 0.9 0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8
Visibility (sm).6 9 9 8 7 7 7 7 7 7 7 7
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent). Patchy fog late
in the evening.
Chance of pcpn......10 percent.
Chance of thunder...8 percent.
Min temperature.....Around 62.
Max humidity........97 percent.
Surface winds (mph).North winds 6 to 7 mph shifting to the
northwest around 6 mph overnight.
Ceiling (kft).......0.9 increasing to 1.0 early in the evening,
then decreasing to 0.9 early in the evening
decreasing to 0.8 late in the evening
decreasing to 0.7 increasing to 0.9 late in the
evening increasing to 1.0 increasing to 1.8
overnight increasing to 2.4 increasing to 3.1
after 3 am decreasing to 2.2.
Visibility (sm).....7 decreasing to 1.75.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MC MC MC MC MC MC MC MC MC MC MC MC
Weather cov..... PTY PTY PTY PTY PTY PTY PTY
Weather type.... FOG FOG FOG FOG FOG FOG FOG
Tstm cov........
Chc of pcpn (%).10 10 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).10 10 10 10 0 0 0 0 0 0 0 0
Temp............70 69 71 68 66 66 66 65 65 64 64 63
RH..............78 81 76 84 90 90 93 97 97 97 93 93
Surface wnd dir.NE NE NE NE N N NW W W W W NW
Surface wnd spd.7 7 6 6 6 6 6 6 6 6 6 6
Surface wnd gst.13 12 10 10 10 9 9 9 9 9 9 9
Ceiling (kft)...0.9 1.0 0.9 0.8 0.7 0.9 1.0 1.2 1.8 2.4 3.1 2.2
Visibility (sm).7 7 7 7 7 4 3 2.2 2.2 2.0 1.8 1.8
.TUESDAY...
Sky/weather.........Mostly sunny (40-50 percent). Patchy fog early
in the morning.
Chance of pcpn......0 percent.
Chance of thunder...3 percent.
Max temperature.....Around 78.
Min humidity........60 percent.
Surface winds (mph).North winds around 6 mph.
Ceiling (kft).......1.4 decreasing to 0.5 early in the morning,
then increasing to 0.7 early in the morning
increasing to 0.9 late in the morning
increasing to 1.1 increasing to 4.1 late in the
morning increasing to 7.0 increasing to 10 late
in the afternoon increasing to 16.
Visibility (sm).....1.25 increasing to 9.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC MC MC MC MC MC PC PC PC MCR MCR MCR
Weather cov.....PTY PTY PTY
Weather type....FOG FOG FOG
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............62 62 64 66 69 70 73 73 75 76 77 77
RH..............97 97 93 87 78 76 66 66 62 62 60 60
Surface wnd dir.NW NW NW NW N N N N N N N N
Surface wnd spd.6 6 6 6 6 6 6 6 6 6 6 6
Surface wnd gst.9 9 9 9 10 10 12 12 12 12 12 10
Ceiling (kft)...1.4 0.5 0.7 0.9 1.1 4.1 7.0 10 11 11 12 16
Visibility (sm).1.5 1.2 4 7 9 9 9 10 10 10 10 10
$$
Forecaster...Jonathan
Requested by...Justin LeBlanc
Type of request...SAR
.TAG 2520089.1/DLH
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL 7101@slcrs.org,nwsduluth-slcrs@noaa.gov