Observed 8:40 AM CDT at KARG

Mammoth Spring, AR weather

Sunny and 54°12°, 9°5° warmer than a typical Oct 24.

Mostly agree

Now 54°12°

Sunny

Wind: 5 mph7 km/h; From the northeast. Light through 9 PM
Dew point: 48°9°; Comfortable
UV index: 1Low; Moderate 11 AM–5 PM · peak 5
Pressure: 30.36 inHg1028 hPa; Rising · +0.05 inHg+1.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (46°8° then, 47°8° now)

Good hours for

Above 70°21° today by noon
High 77°25° today at 3 PM
Drops 12°7° tonight 6–9 PM (72°22° → 60°16°)
Below 60°16° tonight after 9 PM
Drops 12°7° tomorrow night 6–9 PM (72°22° → 60°16°)

This morningUp to 68°20° by 11 AM · Clear
This afternoonUp to 77°25° by 3 PM · Partly cloudy
TonightDown to 48°9° by 4 AM · Mostly cloudy
Tomorrow morningUp to 69°21° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 4 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 5 AM · Mostly cloudy
Monday morningUp to 51°11° by 8 AM · 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 54°12° to 58°14°)	56°13°	0%	3 mph5 km/h from N, gusts 5 mph7 km/h	70%	1%	1
Sat 10a	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	57%	15%	2
Sat 11a	Partly sunny	68°20° (likely 67°19° to 70°21°)	68°20°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	47%	22%	3
Sat 12p	Partly sunny	71°22° (likely 71°22° to 74°23°)	71°22°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	42%	26%	4
Sat 1p	Partly sunny	74°23° (likely 74°23° to 77°25°)	74°23°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	35%	25%	5
Sat 2p	Sunny	76°24° (likely 76°24° to 79°26°)	76°24°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	33%	19%	5
Sat 3p	Cloudy	77°25° (likely 76°24° to 79°26°)	77°25°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	32%	61%	4
Sat 4p	Cloudy	77°25° (likely 76°24° to 79°26°)	77°25°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	31%	62%	3
Sat 5p	Mostly sunny	76°24° (likely 73°23° to 78°26°)	76°24°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	33%	52%	2
Sat 6p	Mostly clear	72°22° (likely 68°20° to 72°22°)	72°22°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	39%	44%	1
Sat 7p	Clear	67°19° (likely 64°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	49%	28%	0
Sat 8p	Mostly clear	60°16° (likely 60°16° to 63°17°)	60°16°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	62%	20%	0
Sat 9p	Mostly cloudy	57°14° (likely 57°14° to 62°17°)	57°14°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	72%	47%	0
Sat 10p	Mostly cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	74%	49%	0
Sat 11p	Cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	77%	68%	0
Sun 12a	Cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	77%	81%	0
Sun 1a	Cloudy	52°11° (likely 52°11° to 57°14°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	85%	0
Sun 2a	Partly cloudy	50°10° (likely 50°10° to 56°13°)	50°10°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	78%	0
Sun 3a	Cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	83%	82%	0
Sun 4a	Cloudy	48°9° (likely 48°9° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	83%	0
Sun 5a	Partly cloudy	48°9° (likely 48°9° to 54°12°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	89%	75%	0
Sun 6a	Cloudy	48°9° (likely 48°9° to 54°12°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	71%	0
Sun 7a	Partly sunny	46°8° (likely 46°8° to 53°12°)	46°8°	0%	0 mph0 km/h, gusts 3 mph4 km/h	93%	58%	0
Sun 8a	Cloudy	48°9° (likely 48°9° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	68%	0
Sun 9a	Partly sunny	53°12° (likely 53°12° to 61°16°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	48%	1
Sun 10a	Sunny	63°17° (likely 63°17° to 67°19°)	63°17°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	65%	40%	2
Sun 11a	Cloudy	69°21° (likely 69°21° to 71°22°)	69°21°	0%	2 mph3 km/h from S, gusts 11 mph18 km/h	53%	80%	3
Sun 12p	Cloudy	72°22° (likely 72°22° to 74°23°)	72°22°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	46%	82%	4
Sun 1p	Partly sunny	75°24° (likely 74°23° to 77°25°)	75°24°	0%	3 mph5 km/h from S, gusts 10 mph15 km/h	40%	77%	5
Sun 2p	Cloudy	76°24° (likely 75°24° to 78°26°)	76°24°	0%	3 mph5 km/h from S, gusts 8 mph14 km/h	39%	83%	5
Sun 3p	Cloudy	76°24° (likely 76°24° to 78°26°)	76°24°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	39%	84%	3
Sun 4p	Cloudy	77°25° (likely 75°24° to 78°26°)	77°25°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	37%	84%	3
Sun 5p	Cloudy	75°24° (likely 72°22° to 76°24°)	75°24°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	41%	79%	1
Sun 6p	Cloudy	72°22° (likely 68°20° to 72°22°)	72°22°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	48%	70%	0
Sun 7p	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	56%	69%	0
Sun 8p	Cloudy	60°16° (likely 60°16° to 63°17°)	60°16°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	69%	74%	0
Sun 9p	Mostly cloudy	57°14° (likely 57°14° to 62°17°)	57°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	75%	70%	0
Sun 10p	Cloudy	56°13° (likely 56°13° to 61°16°)	56°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	74%	68%	0
Sun 11p	Cloudy	54°12° (likely 54°12° to 60°16°)	54°12°	0%	0 mph0 km/h, gusts 3 mph6 km/h	77%	85%	0
Mon 12a	Cloudy	53°12° (likely 53°12° to 59°15°)	53°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	85%	0
Mon 1a	Cloudy	52°11° (likely 52°11° to 58°14°)	52°11°	0%	0 mph0 km/h, gusts 3 mph4 km/h	83%	87%	0
Mon 2a	Cloudy	51°11° (likely 51°11° to 57°14°)	51°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	86%	85%	0
Mon 3a	Cloudy	50°10° (likely 50°10° to 56°13°)	50°10°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	89%	0
Mon 4a	Cloudy	49°9° (likely 49°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	90%	0
Mon 5a	Cloudy	48°9° (likely 48°9° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	88%	0
Mon 6a	Cloudy	47°8° (likely 47°8° to 54°12°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	93%	88%	0
Mon 7a	Cloudy	47°8° (likely 47°8° to 54°12°)	47°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	93%	85%	0
Mon 8a	Cloudy	51°11° (likely 51°11° to 57°14°)	51°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	86%	87%	0

Days ahead

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

Today, Oct 24. Cloudy. High 77°25°, low 46°8°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 68°20°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 77. Southeast wind around 3 mph.
Tonight: Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. Wind chill values as low as 48. East wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–79°26°
Low, likely
46°8°–50°10°
Typical high / low
68°20° / 45°7°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 77°25°, low 47°8°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. South wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 47. Wind chill values as low as 48. East wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–78°26°
Low, likely
47°8°–53°12°
Typical high / low
68°20° / 45°7°
Wind
6 mph10 km/h, gusts 14 mph22 km/h
UV peak
5
Monday, Oct 26. Mostly cloudy. High 76°24°, low 47°8°. Typical 67°19° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 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 76. Southeast wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–76°24°
Low, likely
47°8°–54°12°
Typical high / low
67°19° / 44°7°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
5
Tuesday, Oct 27. Cloudy. High 74°23°, low 47°8°. Typical 67°19° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
47°8°–54°12°
Typical high / low
67°19° / 44°7°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 78°26°, low 49°9°. Typical 66°19° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–79°26°
Low, likely
49°9°–55°13°
Typical high / low
66°19° / 44°7°
Wind
9 mph14 km/h, gusts 19 mph30 km/h
UV peak
5
Thursday, Oct 29. Mostly sunny. High 79°26°, low 48°9°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–82°28°
Low, likely
48°9°–56°13°
Typical high / low
66°19° / 43°6°
Wind
7 mph12 km/h, gusts 21 mph34 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 77°25°, low 50°10°. Typical 66°19° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
73°23°–80°27°
Low, likely
50°10°–57°14°
Typical high / low
66°19° / 43°6°
Wind
8 mph12 km/h, gusts 19 mph30 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 76°24°, low 62°17°. Typical 65°18° / 42°6°. Rain 0.18 in4.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 70°21°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 65°18°
  40% chance · 0.06 in1.4 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
70°21°–80°27°
Low, likely
61°16°–63°17°
Typical high / low
65°18° / 42°6°
Wind
11 mph17 km/h, gusts 24 mph39 km/h
UV peak
3
Sunday, Nov 1. Showers. High 73°23°, low 63°17°. Typical 65°18° / 42°6°. Rain 0.59 in15 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 66°19°
  40% chance · 0.2 in5 mm
2. Afternoon
  noon–6 PM
  Showers, 71°22°
  40% chance · 0.25 in6.4 mm
3. Evening
  6 PM–midnight
  Showers, 70°21°
  30% chance · 0.1 in2.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  40% chance · 0.09 in2.2 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
60°16°–66°19°
Typical high / low
65°18° / 42°6°
Wind
17 mph28 km/h, gusts 34 mph55 km/h
Monday, Nov 2. Cloudy. High 68°20°, low 57°14°. Typical 64°18° / 42°6°. Rain 0.19 in4.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  40% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  30% chance · 0.01 in0.4 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
57°14°–81°27°
Low, likely
48°9°–68°20°
Typical high / low
64°18° / 42°6°
Wind
22 mph35 km/h, gusts 41 mph67 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 46°.
Tomorrow
Dry, high 77°, low 47°.
Monday
Dry, high 76°, low 47°.
Rest of week
Highs 68–79°; chance of precipitation on Sunday.

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

Spring River (AR) at Hardy

13 mi

Below flood stage

Level: 2.8 ft
Flow: 250 cfs

Forecast peak 2.8 ft Sat 1 PM

Reading from Sat 8:15 AM · NWS gauge page

Eleven Point River near Bardley

22 mi

Below flood stage

Level: 2.0 ft
Flow: 219 cfs

Reading from Sat 7:30 AM · NWS gauge page

Greer Spring near Greer

23 mi

Below flood stage

Level: 0.5 ft

Reading from Sat 7:15 AM · NWS gauge page

For your home

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

Heating this week

About 77% less heating than a typical week.

This week 15Typical 67

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 3
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 48°F).

Open the windows?

Today, 10:00 AM–8:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Hardy · official normals 1991–2020 · records 1897–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° warmer than typical.

Last 7 days vs normal

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

—SunOct 18
−6°−3°MonOct 19
−3°−2°TueOct 20
+2°+1°WedOct 21
+4°+2°ThuOct 22
+5°+3°FriOct 23
—SatOct 24

Mammoth Spring weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 56 min; Losing 2 min 11 s a day; shortest Dec 21, 1 h 16 min less
Golden hour: 5:42–6:34 PM; Morning 7:05–7:57 AM
Blue hour: 6:34–6:44 PM; Morning 6:55–7:05 AM; first light 6:55 AM

Stars tonight? Poor

Clouds most of the night (about 62% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:38 AM · rises 5:15 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Mammoth Spring. The highest point on the skyline is about 8,400 ft, 41 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Mammoth Spring, AR weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Spring River (AR) at Hardy

Eleven Point River near Bardley

Greer Spring near Greer

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? Poor

Moon