MERRIMAC, WI 53561 Weather Forecast & Current Conditions
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  53561 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

BARABOO, WI
Current Weather
11:55 PM CDT JUN 8, 2026
Overcast
70°F
Feels Like: 70°F
Dewpoint: 70°F
Rel. Hum.: 100%
Visibility: 7 miles
Wind: Calm
Pressure: 29.93 inches
Last 72 hours

Local Area Snow Depth

Wisconsin Current Weather

Wisconsin MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  53561 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

MERRIMAC, WI 53561
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Cloudy. Showers and chance of thunderstorms through around midnight, then chance of light showers after midnight. Patchy fog in the late evening and overnight. Lows in the mid 60s. Southeast winds up to 10 mph shifting to the northeast after midnight. Chance of precipitation 90 percent.
TUESDAY
Mostly cloudy. Patchy fog in the morning. Highs in the mid 80s. Northwest winds up to 5 mph.
TUESDAY NIGHT
Partly cloudy through around midnight, then mostly cloudy with a 50 percent chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southeast winds up to 10 mph.
WEDNESDAY
Very warm and humid. Partly sunny. Chance of light showers and thunderstorms in the morning, then light showers likely and chance of thunderstorms in the afternoon. Highs around 90. South winds 10 to 20 mph. Chance of precipitation 60 percent. Highest heat index readings 95 to 98 in the afternoon.
WEDNESDAY NIGHT
Mostly cloudy with showers likely and chance of thunderstorms through around midnight, then partly cloudy with slight chance of light showers after midnight. Lows in the mid 60s. Southwest winds 10 to 20 mph decreasing to up to 10 mph after midnight. Chance of precipitation 70 percent.
THURSDAY
Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent.
THURSDAY NIGHT
Mostly cloudy with a 50 percent chance of light rain showers and thunderstorms through around midnight, then mostly clear after midnight. Lows in the mid 50s.
FRIDAY
Sunny. Highs around 80.
FRIDAY NIGHT
Mostly clear. A 20 percent chance of light rain showers and thunderstorms after midnight. Lows in the upper 50s.
SATURDAY
Mostly sunny. Slight chance of light showers in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs around 80. Chance of precipitation 20 percent.
SATURDAY NIGHT
Partly cloudy with a 20 percent chance of light rain showers and thunderstorms. Lows in the mid 50s.
SUNDAY
Mostly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 70s.
SUNDAY NIGHT
Partly cloudy with a 20 percent chance of light rain showers. Lows in the lower 50s.

  53561 WEATHER SATELLITE LOOPS
Visible Weather Satellite
MERRIMAC, WI 53561
Infrared Weather Satellite
MERRIMAC, WI 53561
  53561 WEATHER RADAR LOOP
NEXRAD Weather Radar
MERRIMAC, WI 53561
 MOS COMPUTER WEATHER FORECAST

BARABOO, WI 3 hourly weather forecast
weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026		 MERRIMAC, WI 53561 weather forecast Day 1, 0 hours 1 AM 68° 68° Mostly Cloudy 47%
RAIN
.01–.1 in		 0% Thunder
( 18% severe)		   CALM 97% 67°
Low 66° MERRIMAC, WI 53561 weather forecast Day 1, 3 hours 4 AM 67° 67° Mostly Cloudy   CALM 97% 66°
High 85° MERRIMAC, WI 53561 weather forecast Day 1, 6 hours 7 AM 67° 67° Mostly Cloudy 5%

 0% Thunder
( 12% severe)		 N   2 97% 66°

Mostly Cloudy



 MERRIMAC, WI 53561 weather forecast Day 1, 9 hours 10 AM 73° 73° Mostly Cloudy N   5 84% 68°
MERRIMAC, WI 53561 weather forecast Day 1, 12 hours 1 PM 80° 82° Mostly Cloudy 4%

 0% Thunder
( 17% severe)		   CALM 65% 67°
MERRIMAC, WI 53561 weather forecast Day 1, 15 hours 4 PM 84° 86° Mostly Cloudy WNW   2 55% 66°
MERRIMAC, WI 53561 weather forecast Day 1, 18 hours 7 PM 84° 86° Partly Cloudy 5%

 0% Thunder
( 21% severe)		   CALM 55% 66°
MERRIMAC, WI 53561 weather forecast Day 1, 21 hours 10 PM 74° 74° Partly Cloudy   CALM 79% 67°
Wednesday
10 JUN 2026		 MERRIMAC, WI 53561 weather forecast Day 2, 0 hours 1 AM 69° 69° Clear 56%
RAIN
***		 0% Thunder
( 30% severe)		 S   3 93% 67°
Low 66° MERRIMAC, WI 53561 weather forecast Day 2, 3 hours 4 AM 68° 68° Partly Cloudy S   6 97% 67°
High 90° MERRIMAC, WI 53561 weather forecast Day 2, 6 hours 7 AM 70° 70° Mostly Cloudy 28%
RAIN
.5–1 in		 0% Thunder
( 24% severe)		 SSE   8 93% 68°

Mostly Cloudy

Chance of Rain

 MERRIMAC, WI 53561 weather forecast Day 2, 9 hours 10 AM 79° 82° Mostly Cloudy S   12 77% 71°
MERRIMAC, WI 53561 weather forecast Day 2, 12 hours 1 PM 87° 93° Partly Cloudy 42%
RAIN
***		 0% Thunder
( 47% severe)		 S   15 59% 71°
MERRIMAC, WI 53561 weather forecast Day 2, 15 hours 4 PM 89° 94° Mostly Cloudy SSW   16 54% 70°
MERRIMAC, WI 53561 weather forecast Day 2, 18 hours 7 PM 85° 88° Partly Cloudy 72%
RAIN
***		 0% Thunder
( 43% severe)		 SSW   15 57% 68°
MERRIMAC, WI 53561 weather forecast Day 2, 21 hours 10 PM 76° 77° Mostly Cloudy SSW   12 76% 68°

BARABOO, WI extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 67° Low 63° Low 55° Low 49° Low 48°
High 88° High 82° High 71° High 69° High 69°
MERRIMAC, WI 53561 weather forecast Day 3 MERRIMAC, WI 53561 weather forecast Day 4 MERRIMAC, WI 53561 weather forecast Day 5 MERRIMAC, WI 53561 weather forecast Day 6 MERRIMAC, WI 53561 weather forecast Day 7
Overcast
63% Rain		 Mostly Cloudy
82% Rain		 Mostly Cloudy
52% Rain		 Partly Cloudy
24% Rain		 Partly Cloudy
24% Rain
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