Observed 4:10 AM CDT at KUNO

Alton, MO weather

Clear and 45°7°, 11°6° warmer than a typical Oct 24.

Mostly agree

Now 45°7°

Clear

Wind: Calm; Light through 4 PM
Dew point: 43°6°; Comfortable
Humidity: 93%; Air 45°7°, dew point 43°6° · fog or dew likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Pressure: 30.28 inHg1025 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 46°8° today at 6 AM
Above 60°16° today by 10 AM
High 78°26° today at 4 PM
Drops 12°7° tonight 6–9 PM (72°22° → 60°16°)
Below 60°16° tonight after 9 PM

TonightNear 48°9° · Clear
This morningUp to 68°20° by 11 AM · Clear
This afternoonUp to 78°26° by 4 PM · Partly cloudy
TonightDown to 49°9° by 5 AM · Mostly cloudy
Tomorrow morningUp to 70°21° by 11 AM · Partly cloudy
Tomorrow afternoonNear 75°24° · Mostly cloudy
Tomorrow nightDown to 51°11° by 3 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 4a	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	86%	4%	0
Sat 5a	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	86%	6%	0
Sat 6a	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	89%	7%	0
Sat 7a	Sunny	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	86%	3%	0
Sat 8a	Sunny	46°8° (likely 46°8° to 52°11°)	46°8°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	89%	3%	0
Sat 9a	Sunny	52°11° (likely 52°11° to 58°14°)	52°11°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	80%	2%	0
Sat 10a	Sunny	62°17° (likely 62°17° to 65°18°)	62°17°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	58%	3%	1
Sat 11a	Sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	47%	15%	3
Sat 12p	Partly sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	39%	46%	4
Sat 1p	Sunny	75°24° (likely 73°23° to 76°24°)	75°24°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	36%	26%	4
Sat 2p	Partly sunny	76°24° (likely 74°23° to 77°25°)	76°24°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	34%	35%	4
Sat 3p	Sunny	77°25° (likely 75°24° to 78°26°)	77°25°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	33%	26%	3
Sat 4p	Mostly sunny	78°26° (likely 75°24° to 78°26°)	78°26°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	32%	53%	2
Sat 5p	Mostly sunny	76°24° (likely 74°23° to 76°24°)	76°24°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	36%	18%	1
Sat 6p	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	43%	59%	0
Sat 7p	Partly cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	51%	33%	0
Sat 8p	Partly cloudy	60°16° (likely 60°16° to 63°17°)	60°16°	0%	1 mph2 km/h from E, gusts 5 mph9 km/h	67%	21%	0
Sat 9p	Partly cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	72%	78%	0
Sat 10p	Partly cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	77%	0
Sat 11p	Cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	76%	0
Sun 12a	Cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	77%	87%	0
Sun 1a	Cloudy	53°12° (likely 53°12° to 57°14°)	53°12°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	77%	87%	0
Sun 2a	Cloudy	51°11° (likely 51°11° to 56°13°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	83%	82%	0
Sun 3a	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	76%	0
Sun 4a	Partly cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	71%	0
Sun 5a	Partly cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	73%	0
Sun 6a	Mostly clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	21%	0
Sun 7a	Sunny	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	20%	0
Sun 8a	Partly sunny	49°9° (likely 49°9° to 55°13°)	49°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	86%	45%	0
Sun 9a	Cloudy	54°12° (likely 54°12° to 61°16°)	54°12°	0%	0 mph0 km/h, gusts 3 mph4 km/h	83%	68%	1
Sun 10a	Mostly cloudy	64°18° (likely 63°17° to 66°19°)	64°18°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	60%	64%	2
Sun 11a	Partly sunny	70°21° (likely 69°21° to 71°22°)	70°21°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	47%	73%	3
Sun 12p	Cloudy	74°23° (likely 73°23° to 74°23°)	74°23°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	40%	80%	4
Sun 1p	Cloudy	75°24° (likely 75°24° to 76°24°)	75°24°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	37%	76%	5
Sun 2p	Partly sunny	77°25° (likely 76°24° to 77°25°)	77°25°	0%	3 mph5 km/h from S, gusts 7 mph12 km/h	36%	77%	4
Sun 3p	Cloudy	77°25° (likely 76°24° to 78°26°)	77°25°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	35%	84%	4
Sun 4p	Cloudy	76°24° (likely 76°24° to 77°25°)	76°24°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	36%	84%	2
Sun 5p	Cloudy	75°24° (likely 73°23° to 76°24°)	75°24°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	38%	84%	1
Sun 6p	Cloudy	72°22° (likely 68°20° to 72°22°)	72°22°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	44%	85%	0
Sun 7p	Cloudy	65°18° (likely 65°18° to 66°19°)	65°18°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	58%	86%	0
Sun 8p	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	67%	84%	0
Sun 9p	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph6 km/h	72%	85%	0
Sun 10p	Cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 3 mph6 km/h	75%	81%	0
Sun 11p	Cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	79%	0
Mon 12a	Cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	85%	0
Mon 1a	Cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 2 mph4 km/h	83%	86%	0
Mon 2a	Mostly cloudy	52°11° (likely 52°11° to 58°14°)	52°11°	0%	0 mph0 km/h, gusts 1 mph2 km/h	83%	74%	0
Mon 3a	Cloudy	51°11° (likely 51°11° to 58°14°)	51°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	86%	86%	0

Days ahead

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

Today, Oct 24. Cloudy. High 78°26°, low 46°8°. Typical 67°19° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. East wind around 3 mph.
Tonight: Mostly clear, with a low around 46. Wind chill values as low as 47. East wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
46°8°–50°10°
Typical high / low
67°19° / 40°4°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 77°25°, low 48°9°. Typical 67°19° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 77. South wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 48. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
76°24°–78°26°
Low, likely
48°9°–53°12°
Typical high / low
67°19° / 40°4°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
5
Monday, Oct 26. Mostly cloudy. High 76°24°, low 47°8°. Typical 67°19° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–76°24°
Low, likely
47°8°–55°13°
Typical high / low
67°19° / 39°4°
Wind
7 mph11 km/h, gusts 15 mph25 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 74°23°, low 49°9°. Typical 66°19° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  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: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
49°9°–54°12°
Typical high / low
66°19° / 39°4°
Wind
7 mph12 km/h, gusts 17 mph28 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 79°26°, low 50°10°. Typical 66°19° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 56°14°
  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, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–79°26°
Low, likely
50°10°–55°13°
Typical high / low
66°19° / 39°4°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
5
Thursday, Oct 29. Mostly sunny. High 79°26°, low 49°9°. Typical 65°18° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  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 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
77°25°–80°27°
Low, likely
47°8°–55°13°
Typical high / low
65°18° / 38°3°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 77°25°, low 53°12°. Typical 65°18° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–78°26°
Low, likely
49°9°–56°13°
Typical high / low
65°18° / 38°3°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Showers. High 74°23°, low 61°16°. Typical 64°18° / 38°3°. Rain 0.18 in4.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 75°24°
  30% chance
3. Evening
  6 PM–midnight
  Showers, 66°19°
  20% chance · 0.05 in1.4 mm
4. Overnight
  midnight–6 AM
  Showers, 65°18°
  30% chance · 0.12 in3.1 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
69°21°–79°26°
Low, likely
61°16°–62°17°
Typical high / low
64°18° / 38°3°
Wind
12 mph20 km/h, gusts 30 mph47 km/h
UV peak
2
Sunday, Nov 1. Showers. High 73°23°, low 63°17°. Typical 64°18° / 38°3°. Rain 0.41 in10 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  40% chance · 0.12 in3.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 73°23°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 69°21°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 64°18°
  40% chance · 0.13 in3.2 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
69°21°–77°25°
Low, likely
60°16°–65°18°
Typical high / low
64°18° / 38°3°
Wind
12 mph19 km/h, gusts 30 mph49 km/h
UV peak
2
Monday, Nov 2. Showers. High 72°22°, low 63°17°. Typical 63°17° / 37°3°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 66°19°
  40% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 71°21°
  30% chance · 0.2 in5 mm
3. Evening
  6 PM–midnight
  Drizzle, 70°21°
  30% chance · 0.12 in3 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
68°20°–79°26°
Low, likely
60°16°–68°20°
Typical high / low
63°17° / 37°3°
Wind
15 mph23 km/h, gusts 35 mph56 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 78°, low 46°.
Tomorrow
Dry, high 77°, low 48°.
Monday
Dry, high 76°, low 47°.
Rest of week
Highs 72–79°; chance of precipitation on Monday.

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

Greer Spring near Greer

7.1 mi

Below flood stage

Level: 0.5 ft

Reading from Sat 2:15 AM · NWS gauge page

Eleven Point River near Bardley

11 mi

Below flood stage

Level: 2.0 ft
Flow: 219 cfs

Reading from Sat 2:30 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 14Typical 87

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 4
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 43°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?

Alton · official normals 1991–2020 · records 1962–2026

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

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

Sun & moon

Sun

Daylight: 10 h 56 min; Losing 2 min 7 s a day; shortest Dec 21, 1 h 17 min less
Golden hour: 5:41–6:33 PM; Morning 7:05–7:57 AM
Blue hour: 6:33–6:43 PM; Morning 6:55–7:05 AM; first light 6:55 AM

Stars tonight? Good

Clear 4:29–6:55 AM; moon 96% lit, sets 5:38 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:38 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Alton. The highest point on the skyline is about 7,200 ft, 55 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.