Local Forecast

Merrimac, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Merrimac, WI.

Active Alerts 3 active

Hour-by-Hour  Current Observation

Sunday 3:55 PM CDTSunday 3:55 PM

°F °C
Regional Observations →
74°F

Partly Cloudy

  • 84° / 73° High / Low
  • 74° Feels Like
  • 0% Chance of Rain

Wind

8 mph

G 17 mph

ESE

UV Index

8

Very High

Humidity

79%

Dew 67°F

Sun

5:19 AM · 8:42 PM

Rise · Set

Source: DELLS/BARABOO (KDLL). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

84° 73°

Chance of Thunderstorms

Overnight: Isolated T-storm

Detailed forecast

Today

A chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm. Mostly cloudy, with a high near 85. Southeast wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Night

A slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 73. Southeast wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday

95° 77°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Monday

Mostly sunny, with a high near 94. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 30 mph.

Night

Mostly clear, with a low around 76. Heat index values as high as 102. South wind 10 to 15 mph.

Tuesday

95° 75°

Mostly Sunny

Overnight: Isolated T-storm

Detailed forecast

Tuesday

Sunny, with a high near 95. Southwest wind 10 to 15 mph.

Night

A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 75. Southwest wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

91° 75°

Partly Sunny

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Night

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 74. South wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday

91° 73°

Chance of Scattered Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 50%.

Merrimac, WI Weather Analysis Tools