Observed 2:10 AM CDT at KSUS

Eureka, MO weather

Clear and 48°9°, 10°6° warmer than a typical Oct 24.

Forecasts agree

Now 48°9°

Clear

Wind: Calm; Light through 2 PM
Dew point: 46°8°; Comfortable
Humidity: 93%; Air 48°9°, dew point 46°8° · fog or dew likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 64Moderate; Main pollutant: PM10 (dust)
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

2°1° warmer than this time yesterday (47°8° then, 49°9° now)

Good hours for

Low 47°8° today at 6 AM
Above 60°16° today by 10 AM
High 76°24° today at 4 PM
Drops 12°7° tonight 6–9 PM (71°22° → 59°15°)
Below 60°16° tonight after 8 PM

TonightNear 50°10° · Partly cloudy
This morningUp to 66°19° by 11 AM · Partly cloudy
This afternoonUp to 76°24° by 4 PM · Partly cloudy
TonightDown to 48°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 78°26° by 4 PM · Mostly cloudy
Tomorrow nightDown to 54°12° by 1 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 2a	Mostly clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	1 mph2 km/h from SE, gusts 5 mph9 km/h	83%	40%	0
Sat 3a	Mostly clear	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 6 mph9 km/h	83%	61%	0
Sat 4a	Partly cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	42%	0
Sat 5a	Partly cloudy	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	63%	0
Sat 6a	Partly cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	34%	0
Sat 7a	Partly sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	49%	0
Sat 8a	Partly sunny	47°8° (likely 47°8° to 53°12°)	47°8°	0%	1 mph2 km/h from E, gusts 3 mph4 km/h	89%	18%	0
Sat 9a	Partly sunny	52°11° (likely 52°11° to 57°14°)	52°11°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	86%	16%	1
Sat 10a	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 8 mph13 km/h	70%	27%	2
Sat 11a	Partly sunny	66°19° (likely 66°19° to 68°20°)	66°19°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	58%	29%	3
Sat 12p	Partly sunny	70°21° (likely 70°21° to 72°22°)	70°21°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	49%	69%	4
Sat 1p	Cloudy	73°23° (likely 73°23° to 74°23°)	73°23°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	43%	80%	4
Sat 2p	Cloudy	74°23° (likely 74°23° to 75°24°)	74°23°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	41%	64%	4
Sat 3p	Sunny	74°23° (likely 74°23° to 77°25°)	74°23°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	41%	39%	3
Sat 4p	Partly sunny	76°24° (likely 74°23° to 77°25°)	76°24°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	39%	39%	2
Sat 5p	Cloudy	74°23° (likely 72°22° to 75°24°)	74°23°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	43%	68%	1
Sat 6p	Mostly clear	71°22° (likely 67°19° to 71°22°)	71°22°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	47%	57%	0
Sat 7p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 8 mph13 km/h	56%	42%	0
Sat 8p	Partly cloudy	59°15° (likely 59°15° to 64°18°)	59°15°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	67%	46%	0
Sat 9p	Partly cloudy	57°14° (likely 57°14° to 63°17°)	57°14°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	72%	55%	0
Sat 10p	Cloudy	56°13° (likely 56°13° to 61°16°)	56°13°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	74%	59%	0
Sat 11p	Cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	74%	59%	0
Sun 12a	Partly cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	77%	55%	0
Sun 1a	Partly cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	53%	0
Sun 2a	Partly cloudy	51°11° (likely 51°11° to 56°13°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	49%	0
Sun 3a	Partly cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	53%	0
Sun 4a	Mostly clear	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	35%	0
Sun 5a	Partly cloudy	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	34%	0
Sun 6a	Partly cloudy	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	86%	40%	0
Sun 7a	Partly sunny	46°8° (likely 46°8° to 52°11°)	46°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	93%	47%	0
Sun 8a	Partly sunny	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 3 mph4 km/h	89%	47%	0
Sun 9a	Partly sunny	53°12° (likely 53°12° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	56%	1
Sun 10a	Partly sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 7 mph11 km/h	70%	74%	2
Sun 11a	Cloudy	68°20° (likely 67°19° to 71°22°)	68°20°	0%	0 mph0 km/h, gusts 6 mph10 km/h	59%	78%	3
Sun 12p	Cloudy	72°22° (likely 72°22° to 76°24°)	72°22°	0%	0 mph0 km/h, gusts 5 mph9 km/h	51%	80%	4
Sun 1p	Cloudy	75°24° (likely 75°24° to 79°26°)	75°24°	0%	0 mph0 km/h, gusts 5 mph8 km/h	45%	81%	4
Sun 2p	Cloudy	76°24° (likely 76°24° to 80°27°)	76°24°	0%	0 mph0 km/h, gusts 4 mph6 km/h	43%	81%	4
Sun 3p	Cloudy	77°25° (likely 77°25° to 81°27°)	77°25°	0%	0 mph0 km/h, gusts 4 mph6 km/h	40%	81%	3
Sun 4p	Cloudy	78°26° (likely 76°24° to 81°27°)	78°26°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	40%	81%	2
Sun 5p	Cloudy	76°24° (likely 74°23° to 79°26°)	76°24°	0%	0 mph0 km/h, gusts 4 mph7 km/h	45%	81%	1
Sun 6p	Cloudy	73°23° (likely 69°21° to 73°23°)	73°23°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	49%	82%	0
Sun 7p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 5 mph8 km/h	59%	79%	0
Sun 8p	Cloudy	62°17° (likely 61°16° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	85%	0
Sun 9p	Mostly cloudy	59°15° (likely 59°15° to 63°17°)	59°15°	0%	0 mph0 km/h, gusts 3 mph5 km/h	75%	65%	0
Sun 10p	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	83%	0
Sun 11p	Cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	85%	0
Mon 12a	Cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	87%	0
Mon 1a	Cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	89%	0

Days ahead

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

Today, Oct 24. Cloudy. High 76°24°, low 47°8°. Typical 66°19° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. Southeast wind around 2 mph.
Tonight: Partly cloudy, with a low around 47. Southeast wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
75°24°–77°25°
Low, likely
47°8°–51°11°
Typical high / low
66°19° / 42°6°
Wind
7 mph11 km/h, gusts 13 mph20 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 78°26°, low 49°9°. Typical 66°19° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 78. Northeast wind around 1 mph.
Night: Mostly cloudy, with a low around 49. Northeast wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–80°27°
Low, likely
48°9°–52°11°
Typical high / low
66°19° / 42°6°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 49°9°. Typical 65°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  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 77.
Night: Mostly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
77°25°
Low, likely
49°9°–56°13°
Typical high / low
65°18° / 41°5°
Wind
6 mph9 km/h, gusts 12 mph19 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 75°24°, low 49°9°. Typical 65°18° / 41°5°. Dry. Forecasts 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, 63°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 cloudy, with a high near 75.
Night: Mostly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–75°24°
Low, likely
49°9°–55°13°
Typical high / low
65°18° / 41°5°
Wind
7 mph10 km/h, gusts 20 mph32 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 79°26°, low 51°11°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–79°26°
Low, likely
51°11°–57°14°
Typical high / low
64°18° / 41°5°
Wind
7 mph12 km/h, gusts 20 mph33 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 78°26°, low 49°9°. Typical 64°18° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–81°27°
Low, likely
49°9°–57°14°
Typical high / low
64°18° / 40°4°
Wind
8 mph12 km/h, gusts 25 mph40 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 76°24°, low 56°13°. Typical 64°18° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–80°27°
Low, likely
52°11°–59°15°
Typical high / low
64°18° / 40°4°
Wind
8 mph13 km/h, gusts 22 mph36 km/h
UV peak
4
Saturday, Oct 31. Rain. High 74°23°, low 60°16°. Typical 63°17° / 40°4°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 75°24°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Rain, 66°19°
  30% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 65°18°
  40% 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
68°20°–80°27°
Low, likely
58°14°–63°17°
Typical high / low
63°17° / 40°4°
Wind
11 mph17 km/h, gusts 33 mph53 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 74°23°, low 62°17°. Typical 63°17° / 39°4°. Rain 0.25 in6.4 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  40% chance · 0.04 in0.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 74°23°
  40% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  40% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  40% chance · 0.11 in2.7 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
57°14°–65°18°
Typical high / low
63°17° / 39°4°
Wind
19 mph31 km/h, gusts 42 mph67 km/h
UV peak
3
Monday, Nov 2. Showers. High 67°19°, low 55°13°. Typical 62°17° / 39°4°. Rain 0.27 in6.9 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  30% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  30% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  20% chance · 0.04 in1 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°–71°22°
Low, likely
52°11°–58°14°
Typical high / low
62°17° / 39°4°
Wind
15 mph23 km/h, gusts 39 mph63 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 47°.
Tomorrow
Dry, high 78°, low 49°.
Monday
Dry, high 77°, low 49°.
Rest of week
Highs 67–79°; chance of precipitation on Sunday.

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

Missouri River at Washington

20 mi

Below flood stage

Level: 5.3 ft
Flow: 63,100 cfs

Forecast peak 5.3 ft Sat 7 AM

Reading from Sat 12:45 AM · NWS gauge page

Missouri River at St. Charles

22 mi

Below flood stage

Level: 12.4 ft
Flow: 65,400 cfs

Forecast peak 12.4 ft Sat 7 AM

Reading from Sat 1 AM · NWS gauge page

Meramec River near Eureka

3.0 mi

Below flood stage

Level: 2.7 ft
Flow: 505 cfs

Reading from Sat 1 AM · NWS gauge page

Meramec River near Pacific

5.3 mi

Below flood stage

Level: -1.6 ft

Reading from Sat 12:30 AM · NWS gauge page

For your home

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

Heating this week

About 83% less heating than a typical week.

This week 15Typical 85

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 46°F).

Open the windows?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

ST LOUIS SPIRIT OF ST LOUIS AP · official normals 1991–2020 · records 1987–2026

Oct 24, today vs a typical year

Today’s expected high is 10°6° warmer than typical.

Last 7 days vs normal

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

−9°−5°SatOct 17
−5°−3°SunOct 18
−2°−1°MonOct 19
+1°TueOct 20
+3°+2°WedOct 21
+5°+3°ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:35–6:28 PM; Morning 7:04–7:57 AM
Blue hour: 6:28–6:39 PM; Morning 6:53–7:04 AM; first light 6:53 AM

Stars tonight? Poor

Clouds most of the night (about 48% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:36 AM · rises 5:09 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Eureka. The highest point on the skyline is about 3,000 ft, 23 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Eureka, MO weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Missouri River at Washington

Missouri River at St. Charles

Meramec River near Eureka

Meramec River near Pacific

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