Weather forecast for tomorrowBig Flats, WI

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:19 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Tomorrow, on Monday, mainly sunny conditions will dominate the day.
A substantial temperature range, peaking at a comfortable 66.2°F and bottoming out at an icy 39.2°F, is forecasted.
Expect a warmer feel as the forecasted high matches September's 70.3°F, rather than October's average of 55.9°F.
Sunrise will be at 7:19 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSW 220°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSW 218°
  • Humidity: 83%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSW 216°
  • Humidity: 89%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphSSW 201°
  • Humidity: 90%
  • Pressure: 30.33"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:19 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphSSW 194°
  • Humidity: 90%
  • Pressure: 30.36"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphSSW 198°
  • Humidity: 72%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 202°
  • Humidity: 55%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 179°
  • Humidity: 48%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 47%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 143°
  • Humidity: 59%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphESE 117°
  • Humidity: 79%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphESE 120°
  • Humidity: 87%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and cloudy weather is expected.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more consistent with September's average maximum of 70.3°F than October's usual of 55.9°F. The lowest temperature is similar to October's typical minimum of 41.4°F.
Updated: Oct 18, 2026 @ 05:59:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Big Flats, mostly sunny skies are expected.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be notably higher than the average highest temperature of 55.9°F in October. The lowest temperature will be in line with the average low of 41.4°F.

On Monday, in Big Flats, sunrise will be at 7:19 am and sunset at 6:08 pm (CDT).

Tomorrow, the daylight will last for 10h and 50min.