Weather forecast for tomorrowLewistown, IL

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSE 158°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Tomorrow, in Lewistown, bright conditions and mild breezes are also expected.
A remarkable high of a pleasant 69.8°F during the day and a stark low of an icy 39.2°F at night are anticipated.
The high temperature will be slightly warmer than the typical October level of 63°F.
Sunrise will be at 7:16 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 170°
  • Humidity: 82%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphS 174°
  • Humidity: 87%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 177°
  • Humidity: 92%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSSE 163°
  • Humidity: 97%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:16 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSE 164°
  • Humidity: 94%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 163°
  • Humidity: 67%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 168°
  • Humidity: 48%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 165°
  • Humidity: 40%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 153°
  • Humidity: 38%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 122°
  • Humidity: 51%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 94°
  • Humidity: 73%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 86°
  • Humidity: 78%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of bright and cloud-filled weather is anticipated.
The temperature will be between a minimum of 37.4°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be slightly warmer than October's average high of 63°F. The lowest temperature is more comparable to November's average minimum of 35.1°F than the usual minimum of 46.6°F in October.
Updated: Oct 18, 2026 @ 06:13:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect plenty of sunshine and only a few scattered clouds.

Tomorrow, the maximum temperature in Lewistown will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 63°F in October. The lowest temperature will be also a few degrees lower than the average low of 46.6°F.

On Monday, in Lewistown, sunrise will be at 7:16 am and sunset at 6:14 pm (CDT).

In Lewistown, the length of the day tomorrow will be 10h and 59min.