National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FNUS73 KDLH 251125
FWSDLH

Spot Forecast for Thornapple Oak...WI DNR
National Weather Service Duluth MN
625 AM CDT Thu Apr 25 2024

Forecast is based on ignition time of 0900 CDT on April 25.
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...

Sunny skies are expected today as high pressure persists over the
region. Winds will be from the south through today with speeds of
5 to 8 mph. Min RH today will be dropping as low as 26 percent
mid to late this afternoon as dry air aloft is mixed to the
surface. Smoke dispersal today will be increasing from poor at
0900 CDT this morning to excellent this afternoon as the nocturnal
inversion is eroded away. Widespread rain arrives tomorrow around
midday and will persist through the day with southeast winds.


.TODAY...

Sky/weather.........Sunny (0-5 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 62.
Min humidity........26 percent.
Wind (20 ft)........South winds 5 to 8 mph.
Mixing height.......3100 ft AGL increasing to 5700 ft AGL in the
                    afternoon.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....Poor (10800 knot-ft) increasing to good to
                    excellent (56900-71900 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1
Temp............43  49  54  56  59  61  62  62  62
RH..............55  48  40  34  30  27  26  26  26
20 FT wind dir..S   S   S   S   S   S   S   S   S
20 FT wind spd..4   5   6   7   8   8   8   8   8
20 FT wind gust.11  12  13  13  13  14  14  14  14
Mix hgt (kft)...1.2 1.7 3.1 4.6 5.2 5.6 5.6 5.7 5.5
Transp wind dir.S   S   S   S   S   S   S   S   S
Transp wind spd.10  10  12  12  13  13  14  14  15
Haines index....4   4   4   4   4   4   4   4   4
SDspl kt-ft/100011  16  31  46  57  62  67  68  72

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 37.
Max humidity........67 percent.
Wind (20 ft)........Southeast winds 7 to 9 mph.
Mixing height.......5400 ft AGL decreasing to 1700 ft AGL.
Transport winds.....Southeast 13 to 16 mph.
Smoke dispersal.....Excellent (70500 knot-ft) decreasing to poor to
                    fair (5200-19800 knot-ft).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  MCLEAR MCLEAR MCLEAR PCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............61     54     48     45     41     39
RH..............27     36     46     49     52     52
20 ft wind......S 8    SE 7   SE 8   SE 8   SE 9   SE 9
20 ft wind gust.14     14     14     15     16     16
Mix hgt (ft)....5400   600    500    500    500    500
Transport wind..S 15   S 13   S 14   SE 16  SE 15  SE 16
Haines index....4      5      5      5      5      5
SDspl kt-ft/100071     6      6      7      7      8

.FRIDAY...

Sky/weather.........Partly sunny (65-75 percent) then becoming
                    cloudy (85-95 percent). Slight chance of rain
                    showers late in the morning. Chance of rain
                    showers late in the morning, then rain showers
                    likely late in the afternoon.
Chance of pcpn......60 percent.
LAL.................1.
Max temperature.....Around 57.
Min humidity........38 percent.
Wind (20 ft)........Southeast winds 10 to 16 mph. Gusts up to 29
                    mph increasing to 30 mph late in the morning.
Mixing height.......2400 ft AGL increasing to 2800 ft AGL late in
                    the morning.
Transport winds.....Southeast 16 to 22 mph increasing to 29 to 31
                    mph in the late morning and afternoon.
Smoke dispersal.....Poor to fair (9900-28200 knot-ft) increasing to
                    excellent (64200-72300 knot-ft).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Pcpn amount.........0.21 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  MCLDY  MCLDY  MCLDY  CLOUDY CLOUDY
Weather cov.....              S CHC  CHANCE CHANCE LIKELY
Weather type....NONE   NONE   RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).0      10     20     40     50     60
LAL.............1      1      1      1      1      1
Temp............37     41     50     54     57     56
RH..............67     67     50     43     38     43
20 ft wind......SE 10  SE 12  SE 13  SE 15  SE 16  SE 17
20 ft wind gust.18     21     26     27     27     27
Mix hgt (ft)....700    1500   2400   2700   2800   2700
Transport wind..SE 16  SE 22  SE 31  SE 30  SE 29  SE 30
Haines index....5      5      5      5      4      4
SDspl kt-ft/100010     28     64     71     69     71

$$
Forecaster...Woody
Requested by...Jim Kujala
Type of request...PRESCRIBED
.TAG 2412387.0/DLH
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL James.kujala@wisconsin.gov