Observed 3:15 AM CDT at KDLL

Merrimac, WI weather

Clear and 57°14°, 15°8° warmer than a typical Oct 24.

Forecasts agree

Now 57°14°

Clear

Wind: 7 mph11 km/h; From the south. 58–10 mph16 km/h through 3 PM
Dew point: 46°8°; Comfortable
UV tomorrow: 3Moderate; Moderate 12–3 PM · peak 3
Air quality: 82Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.3 inHg1026 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (57°14° then, 57°14° now)

Good hours for

Low 52°11° today at 6 AM
Above 60°16° today by 11 AM
High 71°22° today at 5 PM

TonightNear 54°12° · rain chance 30% · Partly cloudy
This morningUp to 63°17° by 11 AM · Mostly cloudy
This afternoonUp to 71°22° by 5 PM · Mostly cloudy
TonightDown to 54°12° by 4 AM · Mostly cloudy
Tomorrow morningUp to 63°17° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 72°22° by 3 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 2 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 3a	Clear	54°12° (likely 53°12° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 10 mph16 km/h	71%	39%	0
Sat 4a	Mostly cloudy	54°12° (likely 53°12° to 54°12°)	54°12°	5%	5 mph8 km/h from SE, gusts 7 mph11 km/h	69%	57%	0
Sat 5a	Showers	53°12° (likely 52°11° to 54°12°)	53°12°	30%	5 mph8 km/h from S, gusts 7 mph11 km/h	71%	74%	0
Sat 6a	Clear	52°11° (likely 52°11° to 54°12°)	52°11°	5%	5 mph8 km/h from S, gusts 5 mph8 km/h	71%	46%	0
Sat 7a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	5 mph8 km/h from S, gusts 5 mph9 km/h	71%	80%	0
Sat 8a	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	74%	86%	0
Sat 9a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	72%	87%	1
Sat 10a	Cloudy	59°15° (likely 59°15° to 60°16°)	59°15°	0%	10 mph16 km/h from S, gusts 14 mph23 km/h	67%	86%	1
Sat 11a	Cloudy	63°17° (likely 62°17° to 64°18°)	63°17°	0%	10 mph16 km/h from S, gusts 18 mph29 km/h	60%	75%	2
Sat 12p	Cloudy	66°19° (likely 66°19° to 67°19°)	66°19°	0%	10 mph16 km/h from S, gusts 19 mph30 km/h	56%	73%	3
Sat 1p	Cloudy	68°20° (likely 68°20° to 70°21°)	68°20°	0%	10 mph16 km/h from S, gusts 19 mph30 km/h	52%	71%	2
Sat 2p	Cloudy	70°21° (likely 69°21° to 71°22°)	70°21°	0%	10 mph16 km/h from S, gusts 18 mph29 km/h	49%	76%	3
Sat 3p	Cloudy	70°21° (likely 70°21° to 72°22°)	70°21°	0%	10 mph16 km/h from S, gusts 18 mph28 km/h	49%	82%	2
Sat 4p	Cloudy	70°21° (likely 69°21° to 71°22°)	70°21°	5%	10 mph16 km/h from S, gusts 16 mph26 km/h	49%	77%	2
Sat 5p	Cloudy	71°22° (likely 67°19° to 71°22°)	71°22°	5%	10 mph16 km/h from S, gusts 16 mph26 km/h	47%	79%	1
Sat 6p	Partly cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	5%	10 mph16 km/h from S, gusts 13 mph21 km/h	52%	68%	0
Sat 7p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	5%	10 mph16 km/h from S, gusts 13 mph20 km/h	56%	75%	0
Sat 8p	Mostly cloudy	64°18° (likely 62°17° to 64°18°)	64°18°	5%	10 mph16 km/h from S, gusts 12 mph19 km/h	58%	78%	0
Sat 9p	Mostly cloudy	61°16° (likely 60°16° to 62°17°)	61°16°	5%	5 mph8 km/h from S, gusts 12 mph19 km/h	62%	77%	0
Sat 10p	Partly cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	64%	80%	0
Sat 11p	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	67%	95%	0
Sun 12a	Cloudy	58°14° (likely 57°14° to 60°16°)	58°14°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	67%	91%	0
Sun 1a	Cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	67%	92%	0
Sun 2a	Cloudy	56°13° (likely 55°13° to 58°14°)	56°13°	5%	5 mph8 km/h from SW, gusts 8 mph13 km/h	69%	90%	0
Sun 3a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	5%	5 mph8 km/h from SW, gusts 7 mph12 km/h	72%	83%	0
Sun 4a	Cloudy	54°12° (likely 54°12° to 57°14°)	54°12°	5%	5 mph8 km/h from SW, gusts 8 mph13 km/h	74%	75%	0
Sun 5a	Cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	5%	5 mph8 km/h from SW, gusts 8 mph13 km/h	71%	71%	0
Sun 6a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	5%	5 mph8 km/h from SW, gusts 7 mph11 km/h	74%	78%	0
Sun 7a	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	5 mph8 km/h from SW, gusts 5 mph8 km/h	77%	81%	0
Sun 8a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	5 mph8 km/h from SW, gusts 5 mph8 km/h	77%	80%	0
Sun 9a	Partly sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	77%	76%	1
Sun 10a	Cloudy	60°16° (likely 60°16° to 61°16°)	60°16°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	69%	80%	1
Sun 11a	Partly sunny	63°17° (likely 63°17° to 63°17°)	63°17°	0%	5 mph8 km/h from SW, gusts 8 mph12 km/h	65%	41%	2
Sun 12p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	59%	35%	3
Sun 1p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	0%	5 mph8 km/h from SW, gusts 8 mph12 km/h	53%	64%	3
Sun 2p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	53%	67%	3
Sun 3p	Partly sunny	72°22° (likely 64°18° to 72°22°)	72°22°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	51%	73%	2
Sun 4p	Cloudy	71°22° (likely 63°17° to 71°22°)	71°22°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	53%	78%	2
Sun 5p	Cloudy	70°21° (likely 62°17° to 70°21°)	70°21°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	55%	77%	1
Sun 6p	Cloudy	67°19° (likely 59°15° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 9 mph14 km/h	59%	74%	0
Sun 7p	Cloudy	63°17° (likely 58°14° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 11 mph17 km/h	65%	73%	0
Sun 8p	Cloudy	60°16° (likely 57°14° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 12 mph19 km/h	69%	73%	0
Sun 9p	Cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 12 mph20 km/h	72%	74%	0
Sun 10p	Cloudy	56°13° (likely 55°13° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 13 mph21 km/h	72%	77%	0
Sun 11p	Cloudy	55°13° (likely 55°13° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 12 mph20 km/h	72%	84%	0
Mon 12a	Cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	0%	5 mph8 km/h from N, gusts 11 mph18 km/h	69%	85%	0
Mon 1a	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	0%	5 mph8 km/h from N, gusts 12 mph20 km/h	69%	89%	0
Mon 2a	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	5 mph8 km/h from N, gusts 14 mph23 km/h	69%	81%	0

Days ahead

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

Today, Oct 24. Cloudy. High 72°22°, low 52°11°. Typical 57°14° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Official NWS forecast
Today: Mostly cloudy, with a high near 72. South wind 5 to 10 mph.
Tonight: Scattered rain showers after 5am. Mostly cloudy, with a low around 52. Southeast wind 0 to 5 mph. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
70°21°–72°22°
Low, likely
51°11°–54°12°
Typical high / low
57°14° / 36°2°
Wind
11 mph18 km/h, gusts 24 mph38 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 72°22°, low 48°9°. Typical 56°13° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 72. Southwest wind around 5 mph.
Night: Mostly cloudy, with a low around 48. North wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–72°22°
Low, likely
48°9°–55°13°
Typical high / low
56°13° / 35°2°
Wind
10 mph15 km/h, gusts 20 mph33 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 59°15°, low 42°6°. Typical 56°13° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 59. Northeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 42. East wind 5 to 10 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–62°17°
Low, likely
42°6°–50°10°
Typical high / low
56°13° / 35°2°
Wind
15 mph23 km/h, gusts 25 mph40 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 63°17°, low 49°9°. Typical 55°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  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 63. Southeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
44°7°–49°9°
Typical high / low
55°13° / 34°1°
Wind
12 mph19 km/h, gusts 27 mph44 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 70°21°, low 48°9°. Typical 55°13° / 34°1°. Rain 0.04 in1 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Night: A chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
48°9°–57°14°
Typical high / low
55°13° / 34°1°
Wind
15 mph25 km/h, gusts 31 mph50 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 65°18°, low 44°7°. Typical 54°12° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly sunny, with a high near 65. Chance of precipitation is 20%.
Night: A slight chance of rain showers after 7pm. Partly cloudy, with a low around 44. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
44°7°–57°14°
Typical high / low
54°12° / 34°1°
Wind
13 mph21 km/h, gusts 33 mph53 km/h
UV peak
2
Friday, Oct 30. Showers. High 64°18°, low 50°10°. Typical 54°12° / 34°1°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  30% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Showers, 57°14°
  30% chance · 0.14 in3.5 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 64. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–74°23°
Low, likely
41°5°–57°14°
Typical high / low
54°12° / 34°1°
Wind
12 mph19 km/h, gusts 23 mph37 km/h
UV peak
3
Saturday, Oct 31. Showers. High 68°20°, low 58°14°. Typical 53°12° / 33°1°. Rain 0.19 in4.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  40% chance
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  40% chance · 0.05 in1.3 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
61°16°–73°23°
Low, likely
52°11°–63°17°
Typical high / low
53°12° / 33°1°
Wind
14 mph22 km/h, gusts 27 mph44 km/h
Sunday, Nov 1. Drizzle. High 64°18°, low 56°13°. Typical 53°12° / 33°1°. Rain 0.56 in14 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  40% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  40% chance · 0.36 in9.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.16 in4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  20% chance · 0.01 in0.3 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
59°15°–67°19°
Low, likely
55°13°–58°14°
Typical high / low
53°12° / 33°1°
Wind
18 mph29 km/h, gusts 36 mph58 km/h
UV peak
1
Monday, Nov 2. Cloudy. High 56°13°, low 45°7°. Typical 52°11° / 32°0°. Rain 0.21 in5.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 46°8°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  Dry
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
53°12°–58°14°
Low, likely
39°4°–50°10°
Typical high / low
52°11° / 32°0°
Wind
19 mph30 km/h, gusts 44 mph71 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 52°.
Tomorrow
Dry, high 72°, low 48°.
Monday
Dry, high 59°, low 42°, cooling off.
Rest of week
Mostly dry, highs 56–70°.

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

Wisconsin River below Prairie Du Sac Dam

6.8 mi

Flow: 4,021 cfs

Reading from Sat 2:03 AM · NWS gauge page

Baraboo River near Baraboo

7.3 mi

Below flood stage

Level: 7.6 ft
Flow: 312 cfs

Reading from Sat 2 AM · NWS gauge page

Baraboo River at West Baraboo

9.4 mi

Below flood stage

Level: 2.7 ft
Flow: 219 cfs

Reading from Sat 2 AM · NWS gauge page

Baraboo River at Rock Springs

16 mi

Below flood stage

Level: 8.3 ft
Flow: 102 cfs

Reading from Sat 2 AM · NWS gauge page

For your home

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

Heating this week

About 92% less heating than a typical week.

This week 11Typical 141

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 11:00 AM–10:00 PM

Good stretch to open the windows.

Is this typical?

BARABOO WWTP · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 15°8° warmer than typical.

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

+5°+3°SunOct 18
+5°+3°MonOct 19
+3°+2°TueOct 20
+4°+2°WedOct 21
+10°+5°ThuOct 22
+10°+6°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 37 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 40 min less
Golden hour: 5:21–6:19 PM; Morning 7:05–8:03 AM
Blue hour: 6:19–6:30 PM; Morning 6:54–7:05 AM; first light 6:54 AM

Stars tonight? Poor

Clouds most of the night (about 54% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:35 AM · rises 4:59 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Merrimac. The highest point on the skyline is about 3,500 ft, 31 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Merrimac, WI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Wisconsin River below Prairie Du Sac Dam

Baraboo River near Baraboo

Baraboo River at West Baraboo

Baraboo River at Rock Springs

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