FNUS73 KDLH 182225 FWSDLH Spot Forecast for SLCRS SAR...SLCRS National Weather Service Duluth MN 525 PM CDT Mon May 18 2026 Forecast is based on forecast start time of 1800 CDT on May 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... Cooling down with northerly winds increasing in strength as we head into Tuesday. There will be incoming rain tonight with possibly some embedded non-severe thunderstorms. Rainfall amounts could be up to 1/2 of an inch or more, so a cold, wetting rain. The rain pulls away near sunrise Tuesday with some shower activity Tuesday afternoon. Winds slowly turn to the northwest by daybreak Tuesday. Relative humidities remain high. Could see some temperatures below freezing Tuesday night into Wednesday morning. Lighter winds at that time though. .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers overnight. Chance of pcpn......90 percent. Chance of thunder...15 percent. Min temperature.....Around 39. Max humidity........93 percent. Surface winds (mph).North winds 7 to 9 mph. Ceiling (kft).......1.0 decreasing to 0.3. Visibility (sm).....7 decreasing to 3 late in the evening, then decreasing to 2.75 overnight decreasing to 2.00 overnight increasing to 2.75 increasing to 4 after 3 am increasing to 7. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY Weather cov..... SCH CHC CHC LKY LKY DEF DEF DEF LKY CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH Chc of pcpn (%).10 20 30 40 60 70 80 90 80 60 50 40 Chc of thdr (%).0 10 10 10 20 20 20 10 10 10 0 0 Temp............54 54 51 49 47 46 45 45 44 44 42 41 RH..............73 71 80 86 93 93 93 89 89 86 89 89 Surface wnd dir.N N N N N N N N N N N N Surface wnd spd.8 8 8 8 8 8 7 7 7 8 8 9 Surface wnd gst.15 16 16 16 16 15 14 14 14 16 17 18 Ceiling (kft)...1.0 0.9 0.8 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.3 Visibility (sm).7 7 7 7 4 3 2.8 2.0 2.8 4 7 7 .TUESDAY... Sky/weather.........Cloudy (85-95 percent). Slight chance of rain showers early in the morning. Chance of sprinkles late in the afternoon. Chance of pcpn......20 percent. Chance of thunder...4 percent. Max temperature.....Around 45. Min humidity........58 percent. Surface winds (mph).Northwest winds 9 to 13 mph. Gusts up to 24 mph. Ceiling (kft).......0.4 increasing to 2.9. Visibility (sm).....7 increasing to 10 in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY MC MC Weather cov.....SCH CHC CHC CHC CHC Weather type....RW RW RW RW RW Tstm cov........ Chc of pcpn (%).20 10 10 0 0 0 0 10 10 10 10 10 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............42 40 42 42 42 42 43 42 43 44 44 44 RH..............82 89 82 82 79 76 70 73 67 62 62 62 Surface wnd dir.NW NW NW NW NW NW NW NW NW NW NW NW Surface wnd spd.9 10 10 11 11 12 12 13 13 13 13 13 Surface wnd gst.18 20 20 20 21 21 22 23 23 24 24 23 Ceiling (kft)...0.4 0.4 0.4 0.40.5 0.8 1.1 1.4 1.6 1.8 2.0 2.9 Visibility (sm).7 7 7 7 7 7 8 10 10 10 10 10 .TUESDAY NIGHT... Sky/weather.........Mostly cloudy (60-70 percent) then becoming partly cloudy (25-35 percent). Areas of frost overnight. Widespread frost after 3 am. Chance of pcpn......0 percent. Chance of thunder...0 percent. Min temperature.....Around 30. Max humidity........92 percent. Surface winds (mph).Northwest winds 6 to 13 mph in the evening and overnight becoming light. Ceiling (kft).......3.9 increasing to 8.6. Visibility (sm).....10 in the evening. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......MC MC MC MC MC MC MC MC PC PC MCR MCR Weather cov..... ARS WID WID WID Weather type.... FST FST FST FST 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............44 44 44 41 40 38 38 37 36 33 32 32 RH..............60 58 60 67 70 76 73 75 75 85 89 85 Surface wnd dir.NW NW NW NW NW NW NW NW NW NW NW NW Surface wnd spd.13 12 10 8 6 6 4 4 3 3 3 2 Surface wnd gst.22 21 18 16 13 12 12 10 8 7 6 5 Ceiling (kft)...3.9 4.8 6.1 7.3 8.6 Visibility (sm).10 10 10 10 10 .WEDNESDAY... Sky/weather.........Sunny (15-25 percent). Widespread frost early in the morning. Chance of pcpn......0 percent. Chance of thunder...0 percent. Max temperature.....Around 60. Min humidity........32 percent. Surface winds (mph).Light winds. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......PC PC MCR MCR MCR MCR MCR CLR MCR MCR MCR MCR Weather cov.....WID WID Weather type....FST FST 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............31 34 38 42 47 50 52 53 55 57 58 59 RH..............92 85 73 60 47 42 39 38 35 34 33 32 Surface wnd dir.W W W W NW NW W W W SW SW SW Surface wnd spd.2 1 1 2 3 4 4 4 4 4 4 4 Surface wnd gst.5 5 5 6 8 9 9 9 9 10 10 10 Ceiling (kft)... Visibility (sm). $$ Forecaster...Jonathan Requested by...Justin LeBlanc Type of request...SAR .TAG 2613974.0/DLH .DELDT 05/18/26 .FormatterVersion 2.0.0 .EMAIL 7101@slcrs.org