Spot Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
363
FNUS73 KDLH 192238
FWSDLH
Spot Forecast for Superior SAR...SLCRS
National Weather Service Duluth MN
538 PM CDT Tue Aug 19 2025
Forecast is based on forecast start time of 1800 CDT on August 19.
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...
Partly cloudy skies will take us through the evening. Most clouds
are not producing any precipitation, but a few sprinkles here and
there are possible over the next couple hours. Winds will be light,
and temperatures tonight will get down to about 58 degrees.
Fog is expected to return late tonight and could linger into mid
morning Wednesday before clouds slowly break throughout the late
morning into the afternoon, similar to today.
Wednesday will be partly cloudy after the fog dissipates, with a
high temperature around 75, and muggy conditions will linger
throughout the day. Winds will remain light, with winds up to 10 mph
in the afternoon.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (50-60 percent). Patchy fog
overnight. Areas of fog after 3 am.
Chance of pcpn......10 percent.
Chance of thunder...3 percent.
Min temperature.....Around 60.
Max humidity........100 percent.
Surface winds (mph).Light winds.
Ceiling (kft).......5.4 increasing to 7.7 early in the evening,
decreasing to 1.2 decreasing to 0.9 overnight
decreasing to 0.8 decreasing to 0.5 after 3 am
decreasing to 0.3.
Visibility (sm).....10 decreasing to 0.50.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC PC PC PC MCR PC PC PC PC MC MC MC
Weather cov..... PTY PTY ARS ARS ARS
Weather type.... 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 (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............78 75 71 68 67 66 65 64 63 61 60 60
RH..............71 77 84 93 93 93 93 93 93 100 100 100
Surface wnd dir.W N N N N N N N N NE NE NE
Surface wnd spd.1 2 3 3 3 3 2 2 2 2 2 2
Surface wnd gst.10 9 8 7 7 7 6 6 6 5 5 5
Ceiling (kft)...5.4 7.7 23 22 25 9.6 1.2 0.9 0.9 0.8 0.5 0.3
Visibility (sm).10 10 10 10 10 10 6 1.5 1.0 1.0 .75 .50
.WEDNESDAY...
Sky/weather.........Mostly sunny (35-45 percent). Widespread dense
fog in the morning.
Chance of pcpn......0 percent.
Chance of thunder...1 percent.
Max temperature.....Around 75.
Min humidity........64 percent.
Surface winds (mph).Light winds becoming east around 6 mph in the
afternoon.
Ceiling (kft).......0.3 decreasing to 0.2 early in the morning,
then increasing to 0.3 early in the morning
increasing to 0.7 late in the morning
increasing to 1.2 increasing to 3.0 late in the
morning increasing to 4.8 increasing to 8.0
early in the afternoon increasing to 12
increasing to 22 late in the afternoon
increasing to 25.
Visibility (sm).....0.50 decreasing to 0.25 early in the morning,
then increasing to 0.50 early in the morning
increasing to 1.50 late in the morning
increasing to 6 increasing to 9 late in the
morning.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC MC MC MC MC PC PC PC PC MCR MCR MCR
Weather cov.....ARS WID ARS PTY
Weather type....FOG 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............60 61 63 65 67 69 70 72 73 74 75 74
RH..............100 100 93 90 84 78 76 71 68 66 64 66
Surface wnd dir.NE NE NE NE NE NE E E E E E E
Surface wnd spd.2 2 2 2 2 3 3 4 6 6 6 6
Surface wnd gst.3 3 3 5 6 7 7 8 9 9 9 9
Ceiling (kft)...0.3 0.2 0.3 0.7 1.2 3.0 4.8 8.0 12 22 25 25
Visibility (sm)..50 .25 .50 1.5 6 9 10 10 10 10 10 10
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
mostly cloudy (50-60 percent). Patchy fog
overnight.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 58.
Max humidity........100 percent.
Surface winds (mph).Light winds.
Ceiling (kft).......25 decreasing to 1.6.
Visibility (sm).....9 decreasing to 0.25.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MCR MCR MCR MCR PC PC PC PC PC PC MC MC
Weather cov..... PTY PTY PTY PTY PTY PTY
Weather type.... FOG FOG FOG 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............73 72 69 66 64 63 62 61 60 59 59 58
RH..............68 71 78 87 93 97 100 100 100 100 96 100
Surface wnd dir.NE NE NE NE NE E E E E E E E
Surface wnd spd.4 4 4 3 3 3 3 3 2 2 2 2
Surface wnd gst.9 8 7 7 6 6 6 5 3 3 3 3
Ceiling (kft)...25 25 22 20 18 14 10 6.2 4.7 3.1 1.6
Visibility (sm).10 10 9 9 8 6 4 2.8 2.0 1.2 .50 .25
$$
Forecaster...Krystal
Requested by...Justin LeBlanc
Type of request...SAR
.TAG 2520089.4/DLH
.DELDT 08/19/25
.FormatterVersion 2.0.0
.EMAIL 7101@slcrs.org,nwsduluth-slcrs@noaa.gov