Observed 5:35 PM CDT at KDEH

St. Lucas, IA weather

Sunny and 72°22°, 17°9° warmer than a typical Oct 24.

Mostly agree

Now 72°22°

Sunny

Wind: 7 mph11 km/h; From the south. Up to 7 mph11 km/h through 6 AM
Dew point: 50°10°; Comfortable
UV tomorrow: 4Moderate; Moderate 1–4 PM · peak 4
Pressure: 30.23 inHg1024 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (68°20° then, 72°22° now)

Good hours for

Low 53°12° tomorrow at 7 AM
Above 60°16° tomorrow by 11 AM
Below 60°16° tomorrow night after 8 PM

TonightDown to 54°12° by 5 AM · Mostly cloudy
Tomorrow morningUp to 63°17° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 70°21° by 4 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 4 AM · Mostly cloudy
Monday morningUp to 57°14° by 11 AM · Mostly cloudy
Monday afternoonUp to 63°17° by 3 PM · 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 6p	Clear	72°22° (likely 67°19° to 72°22°)	72°22°	0%	8 mph13 km/h from S, gusts 16 mph26 km/h	49%	33%	0
Sat 7p	Clear	68°20° (likely 65°18° to 68°20°)	68°20°	0%	7 mph11 km/h from S, gusts 16 mph26 km/h	57%	24%	0
Sat 8p	Mostly cloudy	64°18° (likely 63°17° to 64°18°)	64°18°	0%	7 mph11 km/h from S, gusts 16 mph25 km/h	65%	41%	0
Sat 9p	Clear	62°17° (likely 62°17° to 63°17°)	62°17°	0%	6 mph10 km/h from S, gusts 17 mph27 km/h	70%	44%	0
Sat 10p	Mostly cloudy	62°17° (likely 61°16° to 62°17°)	62°17°	0%	6 mph10 km/h from S, gusts 17 mph27 km/h	70%	70%	0
Sat 11p	Cloudy	61°16° (likely 60°16° to 62°17°)	61°16°	0%	6 mph10 km/h from S, gusts 17 mph27 km/h	72%	77%	0
Sun 12a	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	6 mph10 km/h from S, gusts 16 mph25 km/h	75%	81%	0
Sun 1a	Cloudy	58°14° (likely 58°14° to 60°16°)	58°14°	0%	5 mph8 km/h from SW, gusts 14 mph22 km/h	77%	80%	0
Sun 2a	Cloudy	57°14° (likely 57°14° to 59°15°)	57°14°	0%	3 mph5 km/h from SW, gusts 11 mph18 km/h	80%	83%	0
Sun 3a	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	83%	80%	0
Sun 4a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	2 mph3 km/h from N, gusts 9 mph14 km/h	86%	81%	0
Sun 5a	Cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 9 mph15 km/h	86%	79%	0
Sun 6a	Cloudy	54°12° (likely 54°12° to 55°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	86%	78%	0
Sun 7a	Cloudy	53°12° (likely 53°12° to 54°12°)	53°12°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	89%	76%	0
Sun 8a	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	2 mph3 km/h from NE, gusts 9 mph15 km/h	93%	77%	0
Sun 9a	Mostly cloudy	55°13° (likely 54°12° to 56°13°)	55°13°	0%	2 mph3 km/h from NE, gusts 10 mph16 km/h	90%	67%	1
Sun 10a	Cloudy	59°15° (likely 56°13° to 59°15°)	59°15°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	78%	77%	1
Sun 11a	Mostly cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	67%	66%	2
Sun 12p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	63%	77%	2
Sun 1p	Cloudy	67°19° (likely 63°17° to 67°19°)	67°19°	5%	1 mph2 km/h from NE, gusts 7 mph11 km/h	59%	79%	4
Sun 2p	Cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	5%	1 mph2 km/h from NE, gusts 8 mph12 km/h	55%	79%	3
Sun 3p	Cloudy	69°21° (likely 64°18° to 69°21°)	69°21°	5%	2 mph3 km/h from NE, gusts 8 mph13 km/h	53%	80%	3
Sun 4p	Cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	5%	2 mph3 km/h from NE, gusts 8 mph13 km/h	51%	81%	2
Sun 5p	Cloudy	68°20° (likely 62°17° to 68°20°)	68°20°	0%	3 mph5 km/h from NE, gusts 9 mph14 km/h	53%	80%	1
Sun 6p	Cloudy	66°19° (likely 60°16° to 66°19°)	66°19°	5%	5 mph8 km/h from NE, gusts 10 mph16 km/h	54%	80%	0
Sun 7p	Cloudy	62°17° (likely 57°14° to 63°17°)	62°17°	0%	7 mph11 km/h from NE, gusts 14 mph22 km/h	60%	79%	0
Sun 8p	Cloudy	57°14° (likely 54°12° to 60°16°)	57°14°	0%	7 mph11 km/h from NE, gusts 18 mph29 km/h	67%	73%	0
Sun 9p	Cloudy	55°13° (likely 52°11° to 58°14°)	55°13°	0%	7 mph11 km/h from NE, gusts 20 mph32 km/h	69%	78%	0
Sun 10p	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	7 mph11 km/h from NE, gusts 20 mph32 km/h	69%	78%	0
Sun 11p	Cloudy	52°11° (likely 49°9° to 54°12°)	52°11°	0%	7 mph11 km/h from NE, gusts 21 mph34 km/h	69%	69%	0
Mon 12a	Cloudy	51°11° (likely 48°9° to 53°12°)	51°11°	0%	6 mph10 km/h from NE, gusts 20 mph33 km/h	68%	71%	0
Mon 1a	Cloudy	50°10° (likely 48°9° to 52°11°)	48°9°	0%	6 mph10 km/h from NE, gusts 18 mph29 km/h	66%	80%	0
Mon 2a	Cloudy	49°9° (likely 48°9° to 51°11°)	47°8°	0%	6 mph10 km/h from NE, gusts 18 mph30 km/h	68%	76%	0
Mon 3a	Cloudy	49°9° (likely 48°9° to 51°11°)	46°8°	0%	7 mph11 km/h from NE, gusts 18 mph30 km/h	66%	69%	0
Mon 4a	Cloudy	48°9° (likely 47°8° to 50°10°)	45°7°	0%	7 mph11 km/h from NE, gusts 18 mph29 km/h	68%	69%	0
Mon 5a	Cloudy	48°9° (likely 48°9° to 50°10°)	45°7°	0%	7 mph11 km/h from NE, gusts 18 mph28 km/h	68%	80%	0
Mon 6a	Cloudy	47°8° (likely 47°8° to 50°10°)	44°7°	0%	7 mph11 km/h from NE, gusts 21 mph33 km/h	71%	75%	0
Mon 7a	Cloudy	49°9° (likely 47°8° to 50°10°)	46°8°	0%	7 mph11 km/h from NE, gusts 20 mph32 km/h	68%	79%	0
Mon 8a	Cloudy	49°9° (likely 47°8° to 50°10°)	46°8°	0%	8 mph13 km/h from NE, gusts 20 mph32 km/h	68%	78%	0
Mon 9a	Cloudy	51°11° (likely 49°9° to 51°11°)	51°11°	0%	9 mph14 km/h from E, gusts 21 mph34 km/h	68%	85%	0
Mon 10a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	9 mph14 km/h from E, gusts 22 mph35 km/h	66%	94%	1
Mon 11a	Cloudy	57°14° (likely 51°11° to 57°14°)	57°14°	0%	9 mph14 km/h from E, gusts 20 mph32 km/h	62%	91%	1
Mon 12p	Cloudy	59°15° (likely 53°12° to 59°15°)	59°15°	0%	9 mph14 km/h from E, gusts 18 mph28 km/h	57%	85%	2
Mon 1p	Cloudy	61°16° (likely 55°13° to 61°16°)	61°16°	0%	9 mph14 km/h from E, gusts 17 mph27 km/h	53%	84%	2
Mon 2p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	9 mph14 km/h from E, gusts 16 mph25 km/h	52%	79%	2
Mon 3p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	9 mph14 km/h from E, gusts 16 mph25 km/h	52%	93%	2
Mon 4p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	9 mph14 km/h from E, gusts 16 mph26 km/h	52%	87%	2
Mon 5p	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	9 mph14 km/h from E, gusts 18 mph29 km/h	54%	87%	1

Days ahead

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

Today, Oct 24. Cloudy. High 73°23°, low 53°12°. Typical 56°13° / 33°1°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Official NWS forecast
Tonight: Mostly cloudy, with a low around 53. Southwest wind 2 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
53°12°–57°14°
Typical high / low
56°13° / 33°1°
Wind
16 mph25 km/h, gusts 29 mph47 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 70°21°, low 47°8°. Typical 56°13° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Day: Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. Northeast wind around 3 mph.
Night: Mostly cloudy, with a low around 47. Northeast wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
47°8°–53°12°
Typical high / low
56°13° / 33°1°
Wind
15 mph24 km/h, gusts 27 mph43 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 63°17°, low 47°8°. Typical 55°13° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 63. East wind around 9 mph.
Night: Mostly cloudy, with a low around 47. East wind around 10 mph, with gusts as high as 20 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
47°8°–49°9°
Typical high / low
55°13° / 33°1°
Wind
14 mph22 km/h, gusts 28 mph45 km/h
UV peak
2
Tuesday, Oct 27. Mostly cloudy. High 68°20°, low 53°12°. Typical 54°12° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 57°14°
  30% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 68. Southeast wind around 12 mph.
Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 53. South wind around 9 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
49°9°–53°12°
Typical high / low
54°12° / 32°0°
Wind
16 mph25 km/h, gusts 26 mph42 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 70°21°, low 52°11°. Typical 54°12° / 32°0°. Rain 0.12 in3 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 58°14°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Showers, 61°16°
  20% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Showers, 54°12°
  20% chance · 0.13 in3.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly sunny, with a high near 70. South wind 9 to 13 mph. Chance of precipitation is 40%.
Night: A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 52. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
52°11°–59°15°
Typical high / low
54°12° / 32°0°
Wind
15 mph25 km/h, gusts 35 mph56 km/h
UV peak
4
Thursday, Oct 29. Showers. High 70°21°, low 53°12°. Typical 53°12° / 31°−1°. Rain 0.14 in3.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 52°11°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 70. West wind around 5 mph. Chance of precipitation is 30%.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 53. East wind 2 to 6 mph. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
47°8°–53°12°
Typical high / low
53°12° / 31°−1°
Wind
13 mph21 km/h, gusts 33 mph53 km/h
UV peak
3
Friday, Oct 30. Showers. High 71°22°, low 54°12°. Typical 53°12° / 31°−1°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 54°12°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 61°16°
  50% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 71. Southeast wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–72°22°
Low, likely
46°8°–60°16°
Typical high / low
53°12° / 31°−1°
Wind
21 mph33 km/h, gusts 33 mph53 km/h
UV peak
2
Saturday, Oct 31. Showers. High 67°19°, low 57°14°. Typical 52°11° / 31°−1°. Rain 0.38 in9.7 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  50% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  50% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Rain, 59°15°
  50% chance · 0.22 in5.5 mm
4. Overnight
  midnight–6 AM
  Rain, 58°14°
  50% chance · 0.15 in3.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely. Mostly cloudy, with a high near 67. South wind 9 to 13 mph. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–71°22°
Low, likely
56°13°–60°16°
Typical high / low
52°11° / 31°−1°
Wind
20 mph31 km/h, gusts 34 mph55 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 61°16°, low 48°9°. Typical 52°11° / 30°−1°. Rain 0.33 in8.4 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 58°14°
  40% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Rain, 59°15°
  30% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Rain, 51°10°
  30% chance · 0.1 in2.5 mm
4. Overnight
  midnight–6 AM
  Snow, 45°7°
  20% chance · 0.19 in4.9 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–62°17°
Low, likely
39°4°–55°13°
Typical high / low
52°11° / 30°−1°
Wind
22 mph35 km/h, gusts 34 mph55 km/h
UV peak
1
Monday, Nov 2. Snow. High 56°13°, low 46°8°. Typical 51°11° / 30°−1°. Snow 0.65 in17 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 48°9°
  30% chance · 0.32 in8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  30% chance · 0.13 in3.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  30% chance · 0.02 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
47°8°–68°20°
Low, likely
36°2°–57°14°
Typical high / low
51°11° / 30°−1°
Wind
28 mph46 km/h, gusts 45 mph72 km/h

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 53°.
Tomorrow
Dry, high 70°, low 47°, cooling off.
Monday
Dry, high 63°, low 47°, cooling off.
Rest of week
Highs 56–71°; chance of precipitation on Wednesday, Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ARX) (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 River near Eldorado

6.4 mi

Below flood stage

Level: 6.0 ft
Flow: 482 cfs

Reading from Sat 3:45 PM · NWS gauge page

Turkey River at Spillville

9.8 mi

Below flood stage

Level: 2.7 ft
Flow: 186 cfs

Reading from Sat 4:30 PM · NWS gauge page

Upper Iowa River at Decorah

18 mi

Below flood stage

Level: 2.2 ft
Flow: 444 cfs

Reading from Sat 3:45 PM · NWS gauge page

Wapsipinicon River near Tripoli

23 mi

Below flood stage

Level: 8.5 ft
Flow: 251 cfs

Reading from Sat 4:45 PM · NWS gauge page

For your home

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

Heating this week

About 90% less heating than a typical week.

This week 15Typical 152

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 1
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 50°F).

Open the windows?

Today, 7:00 PM–11:00 PM

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

Is this typical?

Fayette · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 17°9° warmer than typical.

Last 7 days vs normal

On average 8°4° warmer than normal (daily mean temperature).

−4°−2°SunOct 18
+4°+2°MonOct 19
+4°+2°TueOct 20
+8°+4°WedOct 21
+12°+6°ThuOct 22
+15°+8°FriOct 23
+17°+9°SatOct 24

St. Lucas weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:31–6:28 PM; Morning 7:14–8:12 AM
Blue hour: 6:28–6:39 PM; Morning 7:03–7:14 AM; first light 7:03 AM

Stars tonight? Poor

Clouds most of the night (about 66% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:45 AM · rises 5:09 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from St. Lucas. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

St. Lucas, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Turkey River near Eldorado

Turkey River at Spillville

Upper Iowa River at Decorah

Wapsipinicon River near Tripoli

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