Observed 7:50 AM CDT at KGYY

Merrillville, IN weather

Sunny and 52°11°, 11°6° warmer than a typical Oct 24.

Forecasts agree

Now 52°11°

Sunny

Wind: 8 mph13 km/h; From the south-southeast. 58–8 mph13 km/h through 9 PM
Dew point: 52°11°; Comfortable
Humidity: 100%; Air 52°11°, dew point 52°11° · fog or dew likely
UV index: 1Low; Moderate 12–3 PM · peak 3
Air quality: 60Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.4 inHg1029 hPa; Rising slowly · +0.03 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

9°5° warmer than this time yesterday (43°6° then, 52°11° now)

Good hours for

Above 60°16° today by 11 AM
High 71°22° today at 3 PM
Below 60°16° tonight after 8 PM
Low 47°8° tomorrow at 6 AM

This morningUp to 63°17° by 11 AM · Partly cloudy
This afternoonUp to 71°22° by 3 PM · Mostly cloudy
TonightDown to 48°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 74°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
Monday morningNear 52°11° · 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 9a	Sunny	54°12° (likely 51°11° to 54°12°)	54°12°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	73%	41%	1
Sat 10a	Partly sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from SSE, gusts 13 mph21 km/h	65%	52%	1
Sat 11a	Cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	0%	5 mph8 km/h from S, gusts 13 mph20 km/h	56%	81%	2
Sat 12p	Cloudy	66°19° (likely 64°18° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	51%	81%	3
Sat 1p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	45%	82%	3
Sat 2p	Partly sunny	70°21° (likely 68°20° to 70°21°)	70°21°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	43%	71%	3
Sat 3p	Partly sunny	71°22° (likely 68°20° to 71°22°)	71°22°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	40%	33%	2
Sat 4p	Cloudy	71°22° (likely 67°19° to 71°22°)	71°22°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	40%	69%	1
Sat 5p	Sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	44%	33%	0
Sat 6p	Mostly cloudy	65°18° (likely 59°15° to 65°18°)	65°18°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	51%	56%	0
Sat 7p	Mostly cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	57%	64%	0
Sat 8p	Mostly cloudy	58°14° (likely 55°13° to 59°15°)	58°14°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	64%	64%	0
Sat 9p	Partly cloudy	56°13° (likely 54°12° to 58°14°)	57°14°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	66%	47%	0
Sat 10p	Partly cloudy	55°13° (likely 52°11° to 56°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	69%	26%	0
Sat 11p	Clear	54°12° (likely 51°11° to 54°12°)	54°12°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	71%	5%	0
Sun 12a	Clear	52°11° (likely 50°10° to 53°12°)	52°11°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	75%	2%	0
Sun 1a	Mostly clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	77%	16%	0
Sun 2a	Clear	50°10° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	80%	6%	0
Sun 3a	Partly cloudy	49°9° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	81%	46%	0
Sun 4a	Cloudy	49°9° (likely 47°8° to 50°10°)	47°8°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	82%	75%	0
Sun 5a	Partly cloudy	48°9° (likely 46°8° to 50°10°)	46°8°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	83%	72%	0
Sun 6a	Partly cloudy	47°8° (likely 46°8° to 49°9°)	45°7°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	85%	76%	0
Sun 7a	Cloudy	47°8° (likely 45°7° to 49°9°)	46°8°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	89%	73%	0
Sun 8a	Cloudy	49°9° (likely 46°8° to 50°10°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	85%	89%	0
Sun 9a	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	71%	86%	1
Sun 10a	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	61%	79%	2
Sun 11a	Cloudy	65°18° (likely 61°16° to 66°19°)	65°18°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	52%	86%	3
Sun 12p	Partly sunny	68°20° (likely 65°18° to 70°21°)	68°20°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	47%	76%	3
Sun 1p	Cloudy	71°22° (likely 68°20° to 72°22°)	71°22°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	42%	67%	3
Sun 2p	Cloudy	72°22° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	40%	65%	3
Sun 3p	Cloudy	74°23° (likely 70°21° to 74°23°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	38%	79%	2
Sun 4p	Partly sunny	74°23° (likely 69°21° to 74°23°)	74°23°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	38%	50%	2
Sun 5p	Partly sunny	72°22° (likely 66°19° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	42%	43%	1
Sun 6p	Partly cloudy	67°19° (likely 61°16° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 4 mph6 km/h	47%	41%	0
Sun 7p	Partly cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	54%	59%	0
Sun 8p	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	61%	75%	0
Sun 9p	Cloudy	58°14° (likely 55°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	64%	75%	0
Sun 10p	Partly cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 8 mph12 km/h	66%	74%	0
Sun 11p	Partly cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	68%	75%	0
Mon 12a	Cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 7 mph12 km/h	70%	80%	0
Mon 1a	Cloudy	53°12° (likely 52°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 7 mph12 km/h	72%	81%	0
Mon 2a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 7 mph12 km/h	76%	78%	0
Mon 3a	Cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	77%	74%	0
Mon 4a	Cloudy	51°11° (likely 50°10° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	72%	0
Mon 5a	Cloudy	50°10° (likely 49°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 3 mph6 km/h	83%	67%	0
Mon 6a	Mostly cloudy	50°10° (likely 48°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	69%	0
Mon 7a	Cloudy	50°10° (likely 48°9° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	73%	0
Mon 8a	Mostly cloudy	53°12° (likely 48°9° to 59°15°)	53°12°	0%	0 mph0 km/h, gusts 2 mph3 km/h	80%	67%	0

Days ahead

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

Today, Oct 24. Cloudy. High 71°22°, low 47°8°. Typical 60°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. South southeast wind around 5 mph, with gusts as high as 10 mph.
Tonight: Partly cloudy, with a low around 47. South southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–71°22°
Low, likely
45°7°–47°8°
Typical high / low
60°16° / 38°3°
Wind
9 mph15 km/h, gusts 17 mph28 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 74°23°, low 50°10°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South wind 0 to 5 mph.
Night: Partly cloudy, with a low around 50. South wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
45°7°–50°10°
Typical high / low
60°16° / 38°3°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 68°20°, low 48°9°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 68. West northwest wind 0 to 10 mph.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
48°9°–51°11°
Typical high / low
59°15° / 38°3°
Wind
11 mph17 km/h, gusts 17 mph28 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 69°21°, low 50°10°. Typical 59°15° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 69.
Night: Mostly cloudy, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–72°22°
Low, likely
49°9°–54°12°
Typical high / low
59°15° / 37°3°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 74°23°, low 53°12°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Mostly clear, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
51°11°–57°14°
Typical high / low
58°14° / 37°3°
Wind
13 mph20 km/h, gusts 22 mph36 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 71°22°, low 49°9°. Typical 58°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Partly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–76°24°
Low, likely
49°9°–59°15°
Typical high / low
58°14° / 37°3°
Wind
11 mph18 km/h, gusts 26 mph41 km/h
UV peak
3
Friday, Oct 30. Showers. High 69°21°, low 49°9°. Typical 57°14° / 36°2°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 69.
Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–77°25°
Low, likely
49°9°–57°14°
Typical high / low
57°14° / 36°2°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 71°22°, low 55°13°. Typical 57°14° / 36°2°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°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
67°19°–77°25°
Low, likely
53°12°–59°15°
Typical high / low
57°14° / 36°2°
Wind
13 mph21 km/h, gusts 26 mph41 km/h
UV peak
3
Sunday, Nov 1. Showers. High 68°20°, low 59°15°. Typical 56°13° / 36°2°. Rain 0.56 in14 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  50% chance · 0.09 in2.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 69°20°
  50% chance · 0.22 in5.5 mm
3. Evening
  6 PM–midnight
  Showers, 63°17°
  50% chance · 0.25 in6.3 mm
4. Overnight
  midnight–6 AM
  Showers, 60°15°
  40% chance · 0.14 in3.6 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–73°23°
Low, likely
56°13°–63°17°
Typical high / low
56°13° / 36°2°
Wind
24 mph38 km/h, gusts 39 mph63 km/h
UV peak
2
Monday, Nov 2. Showers. High 64°18°, low 54°12°. Typical 56°13° / 35°2°. Rain 0.58 in15 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  30% chance · 0.1 in2.6 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  40% chance · 0.34 in8.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  40% chance · 0.32 in8.1 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°–60°16°
Typical high / low
56°13° / 35°2°
Wind
22 mph36 km/h, gusts 41 mph65 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 71°, low 47°.
Tomorrow
Dry, high 74°, low 50°, warming up.
Monday
Dry, high 68°, low 48°, cooling off.
Rest of week
Highs 64–74°; chance of precipitation on Sunday, Monday.

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

Turkey Creek (IN) at Merrillville

2.4 mi

Below flood stage

Level: 5.5 ft

Reading from Sat 7:15 AM · NWS gauge page

Deep River (IN) near Merrillville

3.4 mi

Below flood stage

Level: 3.3 ft

Reading from Sat 7:15 AM · NWS gauge page

Deep River (IN) at Hobart

5.4 mi

Below flood stage

Level: 4.5 ft
Flow: 27 cfs

Reading from Sat 7:30 AM · NWS gauge page

Turkey Creek (IN) at Schererville

6.1 mi

Below flood stage

Level: 3.7 ft

Reading from Sat 8:15 AM · NWS gauge page

For your home

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

Heating this week

About 87% less heating than a typical week.

This week 15Typical 119

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 2
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, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

LOWELL WWTP · official normals 1991–2020 · records 1963–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Merrillville 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 33 min less
Golden hour: 5:16–6:12 PM; Morning 6:54–7:50 AM
Blue hour: 6:12–6:23 PM; Morning 6:43–6:54 AM; first light 6:43 AM

Stars tonight? Fair

Mostly clear 11 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:24 AM · rises 4:52 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Merrillville. The highest point on the skyline is about 2,300 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Merrillville, IN weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Turkey Creek (IN) at Merrillville

Deep River (IN) near Merrillville

Deep River (IN) at Hobart

Turkey Creek (IN) at Schererville

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon