What is today's weather forecast for Brown County, IL?

Today's forecast for Brown County shows a high of 62 degrees and a low of 41 degrees Fahrenheit. Sunny, with a high near 62.

What is the 7-day weather forecast for Brown County, IL?

The 7-day forecast for Brown County shows highs from 57 to 71 degrees and lows from 36 to 47 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Brown County, IL this week?

Yes, rain is possible in Brown County this week. Precipitation chances: Friday (31% chance), Saturday (28% chance).

How accurate is the Brown County weather forecast?

WeatherForYou provides highly accurate Brown County forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Brown County, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

51°F
Feels Like 51°F

Humidity 71% Dew Point 42°F Wind WNW 20 MPH Gusts 28 Barometer 29.9 in.759.5 mm

Solar Rad 355 w/m2 Visibility 10 mi.

Report from 3 miles WNW of central Brown County
at 9:35 AM Sun, Oct 19, 2025

Current Conditions From Nearby Local Station

51°F
Feels Like 51°F

Humidity 71% Dew Point 42°F Wind WNW 20 MPH Gusts 28 Barometer 29.9 in.759.5 mm

Solar Rad 355 w/m2 Visibility 10 mi.

Report from 3 miles WNW of central Brown County
at 9:35 AM Sun, Oct 19, 2025

Point Forecast at a Glance

SunOct 19

62°

41°

MonOct 20

71°

47°

TueOct 21

60°

40°

WedOct 22

60°

36°

ThuOct 23

61°

37°

FriOct 24

30%

57°

41°

SatOct 25

30%

60°

44°

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 57°F to 71°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 5°F below the historical average for October. Normal highs for this period are around 67°F with lows around 44°F.

This Date in Weather History

1987 - A cold front brought rainshowers to parts of the central U.S., and ushered cool Canadian air into the Great Plains Region. Daytime highs were only in the 30s in North Dakota and eastern Montana.

Brown County 7 Day Weather Forecast Details

Sunday Oct 19

Day: Sunny, with a high near 62. Northwest wind 15 to 20 mph, with gusts as high as 32 mph.

Night: Clear, with a low around 41. Southwest wind 6 to 12 mph.

Monday Oct 20

Day: Sunny, with a high near 71. South wind 7 to 20 mph, with gusts as high as 29 mph.

Night: Mostly clear, with a low around 47. West wind 10 to 14 mph, with gusts as high as 22 mph.

Tuesday Oct 21

Day: Sunny, with a high near 60. West wind 12 to 22 mph, with gusts as high as 32 mph.

Night: Mostly clear, with a low around 40.

Wednesday Oct 22

Day: Sunny, with a high near 60.

Night: Mostly clear, with a low around 36.

Thursday Oct 23

Day: Sunny, with a high near 61.

Night: Mostly clear, with a low around 37.

Friday Oct 24

Day: A chance of rain showers after 7am. Partly sunny, with a high near 57. Chance of precipitation is 30%.

Night: A chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

Saturday Oct 25

Day: A chance of rain showers. Mostly sunny, with a high near 60. Chance of precipitation is 30%.

Night: A chance of rain showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.

Sun & Moon Monthly

First Light 6:51 AM

Sunrise 7:18 AM

Sunset 6:19 PM

Last Light 6:46 PM

Moonrise 5:29 AM

Moonset 5:21 PM

Moon Phase

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