Observed 8:55 PM CDT at KBUU

Delavan, WI weather

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

Forecasts agree

Now 52°11°

Clear

Wind: Calm; Up to 5 mph8 km/h through 9 AM
Dew point: 47°8°; Comfortable
UV tomorrow: 3Moderate; Moderate 12–4 PM · peak 3
Air quality: 68Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.37 inHg1028 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 (50°10° then, 52°11° now)

Good hours for

Low 50°10° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM
High 73°23° tomorrow at 3 PM
Below 60°16° tomorrow night after 8 PM

TonightDown to 51°11° by 5 AM · rain chance 20% · Mostly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Partly cloudy
Tomorrow nightDown to 51°11° by 3 AM · Mostly cloudy
Monday morningUp to 60°16° by 11 AM · Mostly cloudy
Monday afternoonNear 61°16° · Mostly cloudy
Monday nightDown to 51°11° by 8 PM · 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 9p	Clear	57°14° (likely 57°14° to 59°15°)	57°14°	20%	5 mph8 km/h from S, gusts 13 mph20 km/h	72%	21%	0
Sat 10p	Partly cloudy	56°13° (likely 56°13° to 57°14°)	56°13°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	72%	31%	0
Sat 11p	Partly cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	74%	31%	0
Sun 12a	Partly cloudy	55°13° (likely 55°13° to 56°13°)	55°13°	5%	5 mph8 km/h from S, gusts 12 mph20 km/h	72%	69%	0
Sun 1a	Partly cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	5%	5 mph8 km/h from S, gusts 13 mph21 km/h	74%	86%	0
Sun 2a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	5%	0 mph0 km/h, gusts 14 mph22 km/h	77%	97%	0
Sun 3a	Mostly clear	52°11° (likely 52°11° to 56°13°)	52°11°	5%	0 mph0 km/h, gusts 13 mph20 km/h	77%	61%	0
Sun 4a	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	5%	0 mph0 km/h, gusts 12 mph19 km/h	77%	80%	0
Sun 5a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	5%	0 mph0 km/h, gusts 12 mph19 km/h	80%	81%	0
Sun 6a	Cloudy	50°10° (likely 50°10° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 11 mph18 km/h	80%	82%	0
Sun 7a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	5%	0 mph0 km/h, gusts 11 mph18 km/h	77%	80%	0
Sun 8a	Partly sunny	53°12° (likely 52°11° to 54°12°)	53°12°	5%	5 mph8 km/h from S, gusts 11 mph18 km/h	74%	75%	0
Sun 9a	Partly sunny	57°14° (likely 56°13° to 57°14°)	57°14°	5%	5 mph8 km/h from S, gusts 13 mph20 km/h	72%	71%	1
Sun 10a	Cloudy	61°16° (likely 60°16° to 61°16°)	61°16°	5%	5 mph8 km/h from SW, gusts 15 mph25 km/h	65%	68%	1
Sun 11a	Partly sunny	65°18° (likely 63°17° to 65°18°)	65°18°	5%	5 mph8 km/h from SW, gusts 16 mph26 km/h	56%	71%	2
Sun 12p	Partly sunny	69°21° (likely 66°19° to 69°21°)	69°21°	5%	5 mph8 km/h from SW, gusts 15 mph24 km/h	51%	72%	3
Sun 1p	Partly sunny	71°22° (likely 69°21° to 71°22°)	71°22°	5%	5 mph8 km/h from SW, gusts 14 mph22 km/h	47%	67%	3
Sun 2p	Mostly sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SW, gusts 13 mph20 km/h	46%	40%	3
Sun 3p	Sunny	73°23° (likely 71°22° to 73°23°)	73°23°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	44%	46%	3
Sun 4p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	46%	40%	2
Sun 5p	Cloudy	70°21° (likely 68°20° to 71°22°)	70°21°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	51%	80%	1
Sun 6p	Cloudy	66°19° (likely 63°17° to 67°19°)	66°19°	5%	5 mph8 km/h from S, gusts 7 mph11 km/h	58%	80%	0
Sun 7p	Cloudy	62°17° (likely 61°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 8 mph12 km/h	67%	80%	0
Sun 8p	Cloudy	58°14° (likely 58°14° to 62°17°)	58°14°	0%	0 mph0 km/h, gusts 9 mph15 km/h	75%	80%	0
Sun 9p	Partly cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 10 mph16 km/h	75%	75%	0
Sun 10p	Partly cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 10 mph16 km/h	77%	76%	0
Sun 11p	Cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 10 mph16 km/h	80%	76%	0
Mon 12a	Partly cloudy	54°12° (likely 54°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	83%	60%	0
Mon 1a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	86%	74%	0
Mon 2a	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 10 mph16 km/h	86%	80%	0
Mon 3a	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 13 mph21 km/h	89%	79%	0
Mon 4a	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 15 mph25 km/h	89%	89%	0
Mon 5a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 16 mph26 km/h	89%	88%	0
Mon 6a	Cloudy	50°10° (likely 50°10° to 53°12°)	49°9°	0%	5 mph8 km/h from NE, gusts 14 mph22 km/h	93%	88%	0
Mon 7a	Cloudy	49°9° (likely 49°9° to 53°12°)	48°9°	0%	5 mph8 km/h from NE, gusts 17 mph27 km/h	96%	84%	0
Mon 8a	Partly sunny	49°9° (likely 49°9° to 53°12°)	47°8°	0%	5 mph8 km/h from NE, gusts 18 mph29 km/h	100%	78%	0
Mon 9a	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from NE, gusts 20 mph32 km/h	89%	68%	0
Mon 10a	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	5 mph8 km/h from NE, gusts 19 mph30 km/h	80%	66%	1
Mon 11a	Cloudy	60°16° (likely 56°13° to 60°16°)	60°16°	0%	10 mph16 km/h from NE, gusts 17 mph28 km/h	72%	72%	2
Mon 12p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	67%	78%	3
Mon 1p	Cloudy	63°17° (likely 57°14° to 63°17°)	63°17°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	62%	81%	3
Mon 2p	Cloudy	64°18° (likely 57°14° to 64°18°)	64°18°	0%	10 mph16 km/h from E, gusts 16 mph25 km/h	58%	85%	3
Mon 3p	Cloudy	63°17° (likely 57°14° to 63°17°)	63°17°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	60%	83%	2
Mon 4p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	60%	78%	2
Mon 5p	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	10 mph16 km/h from E, gusts 18 mph29 km/h	64%	80%	1
Mon 6p	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	10 mph16 km/h from NE, gusts 20 mph31 km/h	72%	83%	0
Mon 7p	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	10 mph16 km/h from NE, gusts 21 mph33 km/h	77%	80%	0
Mon 8p	Mostly cloudy	51°11° (likely 49°9° to 55°13°)	51°11°	0%	5 mph8 km/h from NE, gusts 20 mph31 km/h	80%	67%	0

Days ahead

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

Today, Oct 24. Cloudy. High 70°21°, low 50°10°. Typical 59°15° / 39°4°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
2. Overnight
  midnight–6 AM
  Mostly clear, 51°11°
  Dry
Official NWS forecast
Tonight: A slight chance of rain showers before 10pm. Partly cloudy, with a low around 50. South wind 0 to 5 mph. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
48°9°–50°10°
Typical high / low
59°15° / 39°4°
Wind
10 mph16 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 73°23°, low 49°9°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 73. Southwest wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 49. Southeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–73°23°
Low, likely
49°9°–54°12°
Typical high / low
58°14° / 39°4°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 64°18°, low 45°7°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Partly sunny. High near 64, with temperatures falling to around 59 in the afternoon. Northeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 45. East wind 5 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
45°7°–51°11°
Typical high / low
58°14° / 39°4°
Wind
13 mph22 km/h, gusts 24 mph39 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 67°19°, low 51°11°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67. Southeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 51. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
47°8°–51°11°
Typical high / low
58°14° / 38°3°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 72°22°, low 53°12°. Typical 57°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72. South wind 5 to 10 mph.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
53°12°–57°14°
Typical high / low
57°14° / 38°3°
Wind
15 mph23 km/h, gusts 32 mph52 km/h
UV peak
4
Thursday, Oct 29. Showers. High 72°22°, low 52°11°. Typical 56°13° / 38°3°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–72°22°
Low, likely
51°11°–59°15°
Typical high / low
56°13° / 38°3°
Wind
15 mph23 km/h, gusts 39 mph62 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 72°22°, low 53°12°. Typical 56°13° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–72°22°
Low, likely
49°9°–58°14°
Typical high / low
56°13° / 37°3°
Wind
19 mph31 km/h, gusts 31 mph50 km/h
UV peak
3
Saturday, Oct 31. Showers. High 69°21°, low 57°14°. Typical 55°13° / 37°3°. Rain 0.15 in3.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  40% chance · 0.1 in2.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  40% chance · 0.18 in4.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–71°22°
Low, likely
53°12°–61°16°
Typical high / low
55°13° / 37°3°
Wind
17 mph27 km/h, gusts 30 mph47 km/h
UV peak
1
Sunday, Nov 1. Showers. High 64°18°, low 56°13°. Typical 55°13° / 37°3°. Rain 0.35 in8.9 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  40% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 50°10°
  30% chance
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
62°17°–69°21°
Low, likely
53°12°–59°15°
Typical high / low
55°13° / 37°3°
Wind
22 mph35 km/h, gusts 35 mph57 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 61°16°, low 50°10°. Typical 54°12° / 36°2°. Rain 0.32 in8.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  30% chance · 0.16 in3.9 mm
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  30% chance · 0.12 in3.1 mm
3. Evening
  6 PM–midnight
  Clear, 53°11°
  30% chance · 0.06 in1.5 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
51°11°–66°19°
Low, likely
37°3°–58°14°
Typical high / low
54°12° / 36°2°
Wind
20 mph32 km/h, gusts 36 mph58 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 50°.
Tomorrow
Dry, high 73°, low 49°, warming up.
Monday
Dry, high 64°, low 45°, cooling off.
Rest of week
Highs 61–72°; chance of precipitation on Sunday.

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

Turtle Creek near Clinton

10 mi

Below flood stage

Level: 3.8 ft
Flow: 132 cfs

Reading from Sat 7 PM · NWS gauge page

Fox River near New Munster

21 mi

Below flood stage

Level: 6.4 ft
Flow: 396 cfs

Reading from Sat 7 PM · NWS gauge page

Nippersink Creek at Wonder Lake

22 mi

Below flood stage

Level: 5.0 ft
Flow: 41 cfs

Reading from Sat 7:45 PM · NWS gauge page

Mukwonago River at Mukwonago

22 mi

Below flood stage

Level: 2.2 ft
Flow: 30 cfs

Reading from Sat 7 PM · 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 16Typical 120

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 47°F).

Open the windows?

Sun, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

Lake Geneva Wwtp · official normals 1991–2020 · records 1945–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

±0°MonOct 19
+2°+1°TueOct 20
+3°+1°WedOct 21
+4°+2°ThuOct 22
+8°+4°FriOct 23
+8°+4°SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 37 min less
Golden hour: 5:18–6:15 PM; Morning 7:00–7:57 AM
Blue hour: 6:15–6:27 PM; Morning 6:49–7:00 AM; first light 6:49 AM

Stars tonight? Poor

Clouds most of the night (about 64% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:31 AM · rises 4:56 PM
Full moon: Oct 25
New moon: Nov 9

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

Delavan, WI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Turtle Creek near Clinton

Fox River near New Munster

Nippersink Creek at Wonder Lake

Mukwonago River at Mukwonago

For your home

Heating this week

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