Dense Fog Advisory
Ends in 3 h 24 min
When
Until 9 AM CDT this morning.
Where
Manitowoc, Door, and Kewaunee Counties.
Issued for this forecast zone · National Weather Service Green Bay WI
What, impacts and precautionsHide details
What
Visibility one quarter mile or less in dense fog.
Impacts
Low visibility could make driving conditions hazardous.
Precautionary actions
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Areas: Door; Kewaunee; Manitowoc
See it on weather.gov (opens in a new tab)

Observed 4:55 AM CDT at K3D2

Ephraim, WI weather

Clear and 54°12°.

Mostly agree

Now 54°12°

Clear

Wind: 7 mph11 km/h; From the south. Gusts to 27 mph43 km/h around 4 PM
Dew point: 54°12°; Comfortable
Humidity: 99%; Air 54°12°, dew point 54°12° · fog or dew likely
UV tomorrow: 2Low; Low all day (peak 2)
Pressure: 30.35 inHg1028 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

7°4° warmer than this time yesterday (47°8° then, 54°12° now)

Good hours for

Fog until 8 AM
Gusts to 28 mph45 km/h today 3–11 PM
Rain tomorrow 1–2 PM (30%)
Dry break tomorrow 2–6 PM
Rain tomorrow night 6–7 PM (20%)

This morningUp to 59°15° by 11 AM · Mostly cloudy
This afternoonNear 59°15° · gusts to 27 mph43 km/h · Mostly cloudy
TonightNear 56°13° · rain chance 10% · gusts to 28 mph45 km/h · Mostly cloudy
Tomorrow morningNear 57°14° · rain chance 30% · Cloudy
Tomorrow afternoonNear 58°14° · Rain 1–2 PM (30%)
Tomorrow nightDown to 50°10° by 4 AM · Rain 6–7 PM (20%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5a	Fog	54°12° (likely 51°11° to 57°14°)	54°12°	0%	9 mph14 km/h from S, gusts 16 mph25 km/h	93%	48%	0
Sat 6a	Fog	54°12° (likely 51°11° to 57°14°)	54°12°	0%	10 mph16 km/h from S, gusts 15 mph24 km/h	93%	45%	0
Sat 7a	Fog	53°12° (likely 53°12° to 57°14°)	53°12°	5%	10 mph16 km/h from S, gusts 18 mph28 km/h	96%	85%	0
Sat 8a	Mostly sunny	54°12° (likely 54°12° to 57°14°)	54°12°	5%	12 mph19 km/h from S, gusts 18 mph28 km/h	96%	51%	0
Sat 9a	Mostly cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	5%	13 mph21 km/h from S, gusts 20 mph32 km/h	90%	58%	0
Sat 10a	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	14 mph23 km/h from S, gusts 24 mph39 km/h	87%	86%	0
Sat 11a	Cloudy	59°15° (likely 59°15° to 63°17°)	59°15°	5%	15 mph24 km/h from S, gusts 24 mph39 km/h	80%	86%	2
Sat 12p	Cloudy	59°15° (likely 59°15° to 64°18°)	59°15°	0%	16 mph26 km/h from S, gusts 23 mph38 km/h	80%	79%	2
Sat 1p	Cloudy	59°15° (likely 59°15° to 65°18°)	59°15°	0%	16 mph26 km/h from S, gusts 23 mph37 km/h	78%	77%	2
Sat 2p	Cloudy	59°15° (likely 59°15° to 64°18°)	59°15°	0%	17 mph27 km/h from S, gusts 24 mph38 km/h	78%	74%	2
Sat 3p	Partly sunny	60°16° (likely 59°15° to 63°17°)	60°16°	5%	17 mph27 km/h from S, gusts 25 mph40 km/h	75%	59%	1
Sat 4p	Sunny	58°14° (likely 58°14° to 62°17°)	58°14°	5%	16 mph26 km/h from S, gusts 27 mph43 km/h	80%	29%	1
Sat 5p	Mostly cloudy	58°14° (likely 57°14° to 61°16°)	58°14°	5%	17 mph27 km/h from S, gusts 26 mph42 km/h	77%	42%	0
Sat 6p	Clear	57°14° (likely 56°13° to 60°16°)	57°14°	5%	16 mph26 km/h from S, gusts 27 mph44 km/h	77%	35%	0
Sat 7p	Partly cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	5%	15 mph24 km/h from S, gusts 28 mph45 km/h	83%	68%	0
Sat 8p	Cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	5%	15 mph24 km/h from S, gusts 27 mph44 km/h	83%	85%	0
Sat 9p	Partly cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	5%	14 mph23 km/h from S, gusts 27 mph44 km/h	80%	82%	0
Sat 10p	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	5%	14 mph23 km/h from S, gusts 26 mph43 km/h	80%	73%	0
Sat 11p	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	5%	13 mph21 km/h from S, gusts 20 mph32 km/h	77%	76%	0
Sun 12a	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	5%	13 mph21 km/h from SSW, gusts 21 mph34 km/h	77%	82%	0
Sun 1a	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	5%	12 mph19 km/h from SSW, gusts 19 mph30 km/h	77%	80%	0
Sun 2a	Cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	5%	12 mph19 km/h from SSW, gusts 22 mph35 km/h	77%	81%	0
Sun 3a	Cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	10%	10 mph16 km/h from SSW, gusts 16 mph26 km/h	75%	79%	0
Sun 4a	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	10%	10 mph16 km/h from SSW, gusts 15 mph24 km/h	77%	81%	0
Sun 5a	Cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	10%	10 mph16 km/h from SW, gusts 15 mph24 km/h	80%	83%	0
Sun 6a	Cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	20%	10 mph16 km/h from SW, gusts 17 mph27 km/h	80%	84%	0
Sun 7a	Cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	30%, 0.01 in0.3 mm	10 mph16 km/h from W, gusts 15 mph25 km/h	83%	86%	0
Sun 8a	Drizzle	55°13° (likely 55°13° to 58°14°)	55°13°	30%, 0.01 in0.3 mm	10 mph16 km/h from WNW, gusts 17 mph28 km/h	83%	83%	0
Sun 9a	Showers	56°13° (likely 53°12° to 59°15°)	56°13°	20%, 0.01 in0.3 mm	8 mph13 km/h from SW, gusts 17 mph27 km/h	80%	88%	0
Sun 10a	Cloudy	57°14° (likely 53°12° to 61°16°)	57°14°	20%, 0.01 in0.3 mm	8 mph13 km/h from SW, gusts 16 mph26 km/h	80%	95%	1
Sun 11a	Cloudy	58°14° (likely 53°12° to 61°16°)	58°14°	30%, 0.01 in0.3 mm	8 mph13 km/h from SW, gusts 13 mph21 km/h	75%	94%	1
Sun 12p	Cloudy	58°14° (likely 53°12° to 61°16°)	58°14°	20%, 0.01 in0.3 mm	7 mph11 km/h from WSW, gusts 12 mph20 km/h	75%	92%	1
Sun 1p	Cloudy	58°14° (likely 54°12° to 63°17°)	58°14°	30%, 0.02 in0.5 mm	7 mph11 km/h from W, gusts 10 mph16 km/h	75%	94%	1
Sun 2p	Cloudy	58°14° (likely 56°13° to 62°17°)	58°14°	0%, 0.02 in0.5 mm	6 mph10 km/h from W, gusts 11 mph17 km/h	75%	87%	2
Sun 3p	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%, 0.02 in0.5 mm	5 mph8 km/h from NNW, gusts 10 mph16 km/h	72%	92%	1
Sun 4p	Cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%, 0.02 in0.5 mm	3 mph5 km/h from N, gusts 10 mph15 km/h	72%	97%	0
Sun 5p	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	10%, 0.02 in0.5 mm	3 mph5 km/h from NNE, gusts 8 mph13 km/h	69%	99%	1
Sun 6p	Showers	56°13° (likely 51°11° to 57°14°)	56°13°	20%, 0.02 in0.5 mm	3 mph5 km/h from NNE, gusts 8 mph14 km/h	72%	75%	0
Sun 7p	Cloudy	54°12° (likely 51°11° to 56°13°)	54°12°	10%	3 mph5 km/h from NNE, gusts 8 mph13 km/h	77%	99%	0
Sun 8p	Cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	10%	3 mph5 km/h from NNE, gusts 8 mph13 km/h	77%	100%	0
Sun 9p	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	10%	5 mph8 km/h from NNE, gusts 8 mph13 km/h	74%	100%	0
Sun 10p	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	10%	5 mph8 km/h from N, gusts 9 mph15 km/h	71%	100%	0
Sun 11p	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	10%	7 mph11 km/h from N, gusts 13 mph21 km/h	66%	99%	0
Mon 12a	Cloudy	52°11° (likely 49°9° to 55°13°)	52°11°	10%	9 mph14 km/h from N, gusts 18 mph29 km/h	66%	100%	0
Mon 1a	Cloudy	52°11° (likely 49°9° to 54°12°)	52°11°	0%	12 mph19 km/h from N, gusts 18 mph28 km/h	61%	98%	0
Mon 2a	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	12 mph19 km/h from N, gusts 16 mph26 km/h	61%	97%	0
Mon 3a	Cloudy	51°11° (likely 50°10° to 54°12°)	51°11°	0%	12 mph19 km/h from N, gusts 16 mph25 km/h	59%	97%	0
Mon 4a	Cloudy	50°10° (likely 50°10° to 54°12°)	46°8°	0%	12 mph19 km/h from N, gusts 16 mph26 km/h	61%	97%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Fog. High 60°16°, low 52°11°. Typical 53°12° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Official NWS forecast
Today: Patchy fog before 9am. Partly sunny. High near 60, with temperatures falling to around 58 in the afternoon. South wind 10 to 17 mph, with gusts as high as 25 mph.
Tonight: Patchy fog. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. South wind around 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–65°18°
Low, likely
51°11°–57°14°
Typical high / low
53°12° / 38°3°
Wind
18 mph28 km/h, gusts 32 mph51 km/h
UV peak
2
Tomorrow, Oct 25. Cloudy. High 60°16°, low 45°7°. Typical 53°12° / 37°3°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 55°13°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  30% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Showers, 53°12°
  20% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: A chance of rain showers before 2pm. Mostly cloudy, with a high near 60. West wind 3 to 10 mph. Chance of precipitation is 30%.
Night: A slight chance of rain showers before 7pm. Cloudy, with a low around 45. North wind 3 to 13 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
45°7°–54°12°
Typical high / low
53°12° / 37°3°
Wind
16 mph26 km/h, gusts 28 mph46 km/h
UV peak
2
Monday, Oct 26. Cloudy. High 51°11°, low 41°5°. Typical 52°11° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 51.
Night: Cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
41°5°–48°9°
Typical high / low
52°11° / 37°3°
Wind
15 mph24 km/h, gusts 21 mph34 km/h
UV peak
3
Tuesday, Oct 27. Showers. High 53°12°, low 47°8°. Typical 52°11° / 37°3°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Mostly cloudy, with a high near 53. Chance of precipitation is 20%.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–57°14°
Low, likely
45°7°–47°8°
Typical high / low
52°11° / 37°3°
Wind
17 mph28 km/h, gusts 33 mph53 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 59°15°, low 49°9°. Typical 51°11° / 36°2°. Rain 0.02 in0.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  20% chance · 0.04 in0.9 mm
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Night: A chance of rain showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
49°9°–56°13°
Typical high / low
51°11° / 36°2°
Wind
19 mph30 km/h, gusts 34 mph55 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 58°14°, low 45°7°. Typical 51°11° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
45°7°–52°11°
Typical high / low
51°11° / 36°2°
Wind
13 mph21 km/h, gusts 34 mph54 km/h
Friday, Oct 30. Cloudy. High 55°13°, low 48°9°. Typical 50°10° / 36°2°. Rain 0.06 in1.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 55. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–58°14°
Low, likely
44°7°–54°12°
Typical high / low
50°10° / 36°2°
Wind
14 mph23 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 59°15°, low 54°12°. Typical 50°10° / 35°2°. Rain 0.14 in3.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  20% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  30% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.06 in1.6 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
49°9°–57°14°
Typical high / low
50°10° / 35°2°
Wind
16 mph25 km/h, gusts 39 mph62 km/h
Sunday, Nov 1. Drizzle. High 58°14°, low 55°13°. Typical 50°10° / 35°2°. Rain 0.29 in7.4 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 56°13°
  30% chance · 0.23 in5.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  30% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
50°10°–58°14°
Typical high / low
50°10° / 35°2°
Wind
18 mph29 km/h, gusts 35 mph56 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 54°12°, low 51°11°. Typical 49°9° / 35°2°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  20% chance · 0.07 in1.8 mm
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–58°14°
Low, likely
45°7°–56°13°
Typical high / low
49°9° / 35°2°
Wind
16 mph25 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 52°.
Tomorrow
Dry, high 60°, low 45°.
Monday
Dry, high 51°, low 41°, cooling off.
Rest of week
Mostly dry, highs 53–59°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (GRB) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 88% less heating than a typical week.

This week 18Typical 146

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 54°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Ephraim 1ne-Wwtp · official normals 1991–2020 · records 2006–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

—SunOct 18
—MonOct 19
−1°TueOct 20
+1°±0°WedOct 21
+6°+3°ThuOct 22
−3°−2°FriOct 23
—SatOct 24

Ephraim weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 32 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 47 min less
Golden hour: 5:07–6:06 PM; Morning 6:58–7:58 AM
Blue hour: 6:06–6:18 PM; Morning 6:46–6:58 AM; first light 6:46 AM

Stars tonight? Poor

Clouds most of the night (about 47% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:27 AM · rises 4:47 PM
Full moon: Oct 25
New moon: Nov 9

Looking northwest from Ephraim. The highest point on the skyline is about 2,100 ft, 18 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Dense Fog Advisory