Hersman, IL Weather Forecast

Local 7-day forecast

92°

Isolated Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Hersman, IL in one place.

Tuesday, September 15, 2026

Wind: 6 mph SW

This Afternoon

Isolated showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 6 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Hersman, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 5:17 PM CDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Hersman, IL.

Page Snapshot

Page focus: city weather
Forecast window: Sep 15 to Sep 21, 2026
Latest sync: Sep 15, 2026 5:17 PM CDT
Forecast office: LSX
Source: NOAA / NWS

Next High

92°F

This Afternoon

Next Low

69°F

Tonight

Rain Outlook

Periods mentioning precipitation

Windiest

8 to 12 mph

Saturday

Daily Outlook

Today

Sep 15

Isolated Showers And Thunderstorms

92 °F

/ 69°F

Wind 6 mph

Wed

Sep 16

Showers And Thunderstorms then Scattered Showers And Thunderstorms

82 °F

/ 71°F

Wind 5 mph

Thu

Sep 17

Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms

89 °F

/ 69°F

Wind 5 mph

Fri

Sep 18

Slight Chance Showers And Thunderstorms

89 °F

/ 71°F

Wind 7 mph

Sat

Sep 19

Slight Chance Rain Showers

90 °F

/ 68°F

Wind 8 to 12 mph

Sun

Sep 20

Showers And Thunderstorms Likely

82 °F

/ 63°F

Wind 5 to 8 mph

Mon

Sep 21

Chance Rain Showers

75 °F

/ 59°F

Wind 5 to 9 mph

This Week in Hersman

This Afternoon looks like the warmest upcoming period in Hersman at 92 degrees F.

Monday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Saturday at about 8 to 12 mph SW.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated: Sep 15, 2026 5:17 PM CDT
Coverage: 7 days
Time zone: America/Chicago
Forecast office: LSX
Radar station: KILX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight

Sep 15

69°F

Showers And Thunderstorms

6 mph N

Showers and thunderstorms before 5am, then showers and thunderstorms. Mostly cloudy, with a low around 69. North wind around 6 mph. Chance of precipitation is 80%.

Wednesday

Sep 16

82°F

Showers And Thunderstorms then Scattered Showers And Thunderstorms

5 mph NE

Showers and thunderstorms before 11am, then scattered showers and thunderstorms between 11am and 5pm. Mostly cloudy, with a high near 82. Northeast wind around 5 mph. Chance of precipitation is 80%.

Wednesday Night

Sep 16

71°F

Isolated Showers And Thunderstorms

3 mph SE

Isolated showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. Southeast wind around 3 mph. Chance of precipitation is 20%.

Thursday

Sep 17

89°F

Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms

5 mph W

Isolated showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 89. West wind around 5 mph. Chance of precipitation is 30%.

Thursday Night

Sep 17

69°F

Partly Cloudy then Slight Chance Showers And Thunderstorms

5 mph NE

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 20%.

Friday

Sep 18

89°F

Slight Chance Showers And Thunderstorms

7 mph SE

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

Friday Night

Sep 18

71°F

Mostly Clear

5 to 8 mph S

Mostly clear, with a low around 71.

Saturday

Sep 19

90°F

Slight Chance Rain Showers

8 to 12 mph SW

A slight chance of rain showers after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

Saturday Night

Sep 19

68°F

Showers And Thunderstorms Likely

6 mph NW

A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

Sep 20

82°F

Showers And Thunderstorms Likely

5 to 8 mph NW

Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Sunday Night

Sep 20

63°F

Chance Showers And Thunderstorms

5 to 8 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

Monday

Sep 21

75°F

Chance Rain Showers

5 to 9 mph NW

A chance of rain showers before 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.

Monday Night

Sep 21

59°F

Mostly Cloudy then Slight Chance Rain Showers

5 to 9 mph N

A slight chance of rain showers after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
This Afternoon Sep 15	Isolated Showers And Thunderstorms	92°F	6 mph SW	Isolated showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind...
Tonight Sep 15	Showers And Thunderstorms	69°F	6 mph N	Showers and thunderstorms before 5am, then showers and thunderstorms. Mostly cloudy, with a low around 69. North wind ar...
Wednesday Sep 16	Showers And Thunderstorms then Scattered Showers And Thunderstorms	82°F	5 mph NE	Showers and thunderstorms before 11am, then scattered showers and thunderstorms between 11am and 5pm. Mostly cloudy, wit...
Wednesday Night Sep 16	Isolated Showers And Thunderstorms	71°F	3 mph SE	Isolated showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. Southeast wind around 3 mph. Chance...
Thursday Sep 17	Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms	89°F	5 mph W	Isolated showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly su...
Thursday Night Sep 17	Partly Cloudy then Slight Chance Showers And Thunderstorms	69°F	5 mph NE	A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Chance of precipitation is...
Friday Sep 18	Slight Chance Showers And Thunderstorms	89°F	7 mph SE	A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 2...
Friday Night Sep 18	Mostly Clear	71°F	5 to 8 mph S	Mostly clear, with a low around 71.
Saturday Sep 19	Slight Chance Rain Showers	90°F	8 to 12 mph SW	A slight chance of rain showers after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Saturday Night Sep 19	Showers And Thunderstorms Likely	68°F	6 mph NW	A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 68....
Sunday Sep 20	Showers And Thunderstorms Likely	82°F	5 to 8 mph NW	Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night Sep 20	Chance Showers And Thunderstorms	63°F	5 to 8 mph N	A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday Sep 21	Chance Rain Showers	75°F	5 to 9 mph NW	A chance of rain showers before 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Monday Night Sep 21	Mostly Cloudy then Slight Chance Rain Showers	59°F	5 to 9 mph N	A slight chance of rain showers after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Hersman.

Region Links

Brown County weather

County forecast page

Illinois weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.