Dense Fog Advisory
Ends in 40 min
When
Until 11 AM EDT this morning.
Where
Portions of northern Indiana, southwest Michigan, and northwest Ohio.
Issued for this forecast zone · National Weather Service Northern Indiana
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: Elkhart; Lagrange; Steuben; Noble; De Kalb; Marshall; Whitley; Allen; Wabash; Huntington; Wells; Adams; Blackford; Jay; Eastern St. Joseph; Northern Kosciusko; Western St. Joseph; Southern Kosciusko; Cass; St. Joseph; Branch; Hillsdale; Williams; Defiance; Paulding; Van Wert
See it on weather.gov (opens in a new tab)

Observed 9:55 AM EDT at KOXI

Donaldson, IN weather

Foggy and 52°11°, 11°6° warmer than a typical Oct 24, jacket by 9 PM.

Forecasts agree

Now 52°11°

Fog

Wind: 6 mph9 km/h; From the east-southeast. 58–6 mph9 km/h through 10 PM
Visibility: 4 mi6 km; Fog · under 5 mi8 km
Dew point: 52°11°; Comfortable
Humidity: 100%; Air 52°11°, dew point 52°11° · fog or dew likely
UV index: 2Low; Moderate 12–3 PM · peak 4
Air quality: 77Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.45 inHg1031 hPa; Rising slowly · +0.03 inHg+0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (48°9° then, 52°11° now)

Good hours for

Above 60°16° today by noon
High 70°21° today at 4 PM
Below 60°16° tonight after 9 PM
Low 45°7° tomorrow at 8 AM

This morningUp to 56°13° by 11 AM · Mostly cloudy
This afternoonUp to 70°21° by 4 PM · Mostly cloudy
TonightDown to 47°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 60°16° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 73°23° by 5 PM · Mostly cloudy
Tomorrow nightDown to 49°9° by 5 AM · Mostly cloudy
Monday morningUp to 52°11° by 9 AM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Partly sunny	51°11° (likely 48°9° to 51°11°)	49°9°	0%	5 mph8 km/h from SE, gusts 13 mph21 km/h	81%	77%	2
Sat 11a	Mostly sunny	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	68%	55%	2
Sat 12p	Mostly sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	58%	37%	3
Sat 1p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	48%	79%	4
Sat 2p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	45%	77%	3
Sat 3p	Partly sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	42%	76%	2
Sat 4p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	41%	70%	1
Sat 5p	Partly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	39%	47%	0
Sat 6p	Partly sunny	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	43%	50%	0
Sat 7p	Partly cloudy	65°18° (likely 58°14° to 65°18°)	65°18°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	48%	60%	0
Sat 8p	Partly cloudy	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	60%	51%	0
Sat 9p	Partly cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	72%	54%	0
Sat 10p	Partly cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	74%	45%	0
Sat 11p	Partly cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	74%	30%	0
Sun 12a	Partly cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	77%	27%	0
Sun 1a	Clear	51°11° (likely 50°10° to 51°11°)	51°11°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	77%	6%	0
Sun 2a	Clear	50°10° (likely 49°9° to 51°11°)	49°9°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	80%	2%	0
Sun 3a	Clear	49°9° (likely 49°9° to 50°10°)	48°9°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	83%	8%	0
Sun 4a	Mostly clear	48°9° (likely 48°9° to 49°9°)	47°8°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	83%	26%	0
Sun 5a	Clear	47°8° (likely 47°8° to 49°9°)	46°8°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	86%	26%	0
Sun 6a	Partly cloudy	47°8° (likely 46°8° to 48°9°)	46°8°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	86%	53%	0
Sun 7a	Partly cloudy	46°8° (likely 45°7° to 47°8°)	45°7°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	86%	37%	0
Sun 8a	Cloudy	45°7° (likely 45°7° to 47°8°)	44°7°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	89%	62%	0
Sun 9a	Mostly sunny	47°8° (likely 46°8° to 48°9°)	46°8°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	89%	63%	0
Sun 10a	Partly sunny	54°12° (likely 52°11° to 54°12°)	54°12°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	80%	53%	1
Sun 11a	Cloudy	60°16° (likely 56°13° to 60°16°)	60°16°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	67%	72%	2
Sun 12p	Partly sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	56%	66%	3
Sun 1p	Partly sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	47%	49%	4
Sun 2p	Partly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	42%	72%	4
Sun 3p	Partly sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	39%	72%	3
Sun 4p	Partly sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	38%	69%	2
Sun 5p	Partly sunny	73°23° (likely 68°20° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	35%	73%	1
Sun 6p	Partly sunny	71°22° (likely 65°18° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 6 mph9 km/h	42%	67%	1
Sun 7p	Partly cloudy	68°20° (likely 60°16° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	39%	0
Sun 8p	Mostly clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	54%	39%	0
Sun 9p	Partly cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	67%	71%	0
Sun 10p	Partly cloudy	54°12° (likely 54°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	73%	0
Sun 11p	Partly cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	71%	58%	0
Mon 12a	Partly cloudy	53°12° (likely 52°11° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	74%	70%	0
Mon 1a	Mostly clear	53°12° (likely 51°11° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 8 mph12 km/h	71%	41%	0
Mon 2a	Partly cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	74%	74%	0
Mon 3a	Partly cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	77%	71%	0
Mon 4a	Partly cloudy	50°10° (likely 48°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 6 mph9 km/h	77%	62%	0
Mon 5a	Mostly clear	49°9° (likely 48°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	80%	62%	0
Mon 6a	Partly cloudy	48°9° (likely 47°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	62%	0
Mon 7a	Cloudy	47°8° (likely 46°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	83%	67%	0
Mon 8a	Cloudy	48°9° (likely 46°8° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	70%	0
Mon 9a	Mostly cloudy	52°11° (likely 47°8° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	53%	0

Days ahead

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

Today, Oct 24. Cloudy. High 70°21°, low 45°7°. Typical 59°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Today: Patchy fog before 11am. Mostly sunny, with a high near 70. Southeast wind around 5 mph.
Tonight: Partly cloudy, with a low around 45. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–70°21°
Low, likely
43°6°–45°7°
Typical high / low
59°15° / 39°4°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 73°23°, low 47°8°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 73. South wind around 5 mph.
Night: Partly cloudy, with a low around 47. South wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
45°7°–47°8°
Typical high / low
59°15° / 39°4°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 72°22°, low 48°9°. Typical 58°14° / 39°4°. Dry. Forecasts agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Mostly cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 72. West wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 72°22°).
High, likely
69°21°–72°22°
Low, likely
46°8°–49°9°
Typical high / low
58°14° / 39°4°
Wind
8 mph13 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 67°19°, low 48°9°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
48°9°–52°11°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 22 mph35 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 74°23°, low 52°11°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
50°10°–56°13°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 21 mph33 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 72°22°, low 47°8°. Typical 57°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Night: Partly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
47°8°–55°13°
Typical high / low
57°14° / 38°3°
Wind
15 mph23 km/h, gusts 28 mph45 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 70°21°, low 48°9°. Typical 56°13° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: A slight chance of rain showers after 2am. Mostly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–74°23°
Low, likely
46°8°–55°13°
Typical high / low
56°13° / 37°3°
Wind
12 mph19 km/h, gusts 24 mph39 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 69°21°, low 53°12°. Typical 56°13° / 37°3°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  50% chance · 0.02 in0.5 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–75°24°
Low, likely
48°9°–57°14°
Typical high / low
56°13° / 37°3°
Wind
13 mph22 km/h, gusts 25 mph40 km/h
UV peak
3
Sunday, Nov 1. Showers. High 68°20°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.56 in14 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  50% chance · 0.06 in1.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  50% chance · 0.14 in3.6 mm
3. Evening
  6 PM–midnight
  Showers, 62°17°
  50% chance · 0.36 in9.1 mm
4. Overnight
  midnight–6 AM
  Rain, 61°16°
  50% chance · 0.15 in3.8 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
65°18°–70°21°
Low, likely
54°12°–63°17°
Typical high / low
56°13° / 37°3°
Wind
22 mph35 km/h, gusts 39 mph62 km/h
UV peak
2
Monday, Nov 2. Showers. High 63°17°, low 55°13°. Typical 55°13° / 36°2°. Rain 0.56 in14 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  40% chance · 0.03 in0.9 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  30% chance · 0.28 in7.2 mm
3. Evening
  6 PM–midnight
  Showers, 59°15°
  40% chance · 0.51 in13 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–70°21°
Low, likely
51°11°–62°17°
Typical high / low
55°13° / 36°2°
Wind
22 mph35 km/h, gusts 39 mph62 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 45°.
Tomorrow
Dry, high 73°, low 47°, warming up.
Monday
Dry, high 72°, low 48°.
Rest of week
Highs 63–74°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (IWX) (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

Rivers

NOAA river gauges within 25 mi

Yellow River near Oak Grove

6.4 mi

Level: 4.3 ft
Flow: 204 cfs

Reading from Sat 9 AM · NWS gauge page

Yellow River at Plymouth

7.4 mi

Below flood stage

Level: 4.9 ft
Flow: 146 cfs

Reading from Sat 8:45 AM · NWS gauge page

Yellow River at Knox

10 mi

Below flood stage

Level: 5.2 ft
Flow: 244 cfs

Reading from Sat 8:45 AM · NWS gauge page

Northern Indiana Lakes at Lake Maxinkuckee at Culver

12 mi

Level: 3.4 ft

Reading from Sat 8 AM · NWS gauge page

For your home

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

Heating this week

About 85% less heating than a typical week.

This week 17Typical 119

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 6
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 52°F).

Open the windows?

Today, 12:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Knox Wwtp · official normals 1991–2020 · records 1897–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° warmer than typical.

Last 7 days vs normal

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

−8°−5°SunOct 18
−3°−2°MonOct 19
−1°TueOct 20
+2°+1°WedOct 21
+3°+2°ThuOct 22
+5°+3°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 32 min less
Golden hour: 6:12–7:08 PM; Morning 7:50–8:46 AM
Blue hour: 7:08–7:19 PM; Morning 7:39–7:50 AM; first light 7:39 AM

Stars tonight? Fair

Mostly clear 1–4 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:20 AM · rises 5:49 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Donaldson. A level horizon.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