Live Weather & Forecast

Weather in Hardin

Illinois, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
26°C
Feels like 26°C
79°F / Feels 79°F
Sunny
Hardin, Illinois
🌞 Daytime
Updated: 2026-04-12 14:00
💧
Humidity
41%
💨
Wind
31.3 km/h SSW
🌬️
Wind Gust
37 km/h
🌡️
Pressure
1015 mb
👁️
Visibility
16 km
☀️
UV Index
6.5 (High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
13.8°C
🌐
Wind Degree
207°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
154.9 μg/m³
NO₂
6.6 μg/m³
O₃
86 μg/m³
SO₂
2.1 μg/m³
PM 2.5
8 μg/m³
PM 10
8.5 μg/m³

Weather Alerts 5

Met · Severe · Immediate
Flood Warning issued April 11 at 9:46PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville....

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-11T21:46:00-05:00  ·  Expires: 2026-04-13T10:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 11:41AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Hannibal Clarksville Louisiana River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Monday, April 20. * ADDITI...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T11:41:00-05:00  ·  Expires: 2026-04-13T23:45:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:46PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Louisiana. *...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-11T21:46:00-05:00  ·  Expires: 2026-04-13T10:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 11:41AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Hannibal Clarksville Louisiana River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Louisiana. * WHEN...Until Monday, April 20. * ADDITION...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T11:41:00-05:00  ·  Expires: 2026-04-13T23:45:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:46PM CDT until April 18 at 1:00PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From late Sunday night to...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-11T21:46:00-05:00  ·  Expires: 2026-04-13T10:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Hardin, Illinois

12 AM
Clear
18°
Clear
💧 70% 💨 14 km/h
1 AM
Clear
18°
Clear
💧 70% 💨 14.8 km/h
2 AM
Clear
18°
Clear
💧 72% 💨 13.3 km/h
3 AM
Clear
18°
Clear
💧 71% 💨 14.4 km/h
4 AM
Clear
17°
Clear
💧 72% 💨 13.7 km/h
5 AM
Clear
17°
Clear
💧 71% 💨 14 km/h
6 AM
Clear
17°
Clear
💧 74% 💨 15.1 km/h
7 AM
Sunny
18°
Sunny
💧 73% 💨 16.9 km/h
8 AM
Sunny
20°
Sunny
💧 66% 💨 21.2 km/h
9 AM
Sunny
22°
Sunny
💧 59% 💨 24.5 km/h
10 AM
Sunny
24°
Sunny
💧 52% 💨 28.1 km/h
11 AM
Sunny
26°
Sunny
💧 48% 💨 28.8 km/h
12 PM
Sunny
27°
Sunny
💧 46% 💨 30.6 km/h
1 PM
Sunny
28°
Sunny
💧 44% 💨 29.2 km/h
2 PM
Sunny
26°
Sunny
💧 41% 💨 31.3 km/h
3 PM
Sunny
28°
Sunny
💧 38% 💨 30.6 km/h
4 PM
Sunny
27°
Sunny
💧 39% 💨 27.4 km/h
5 PM
Overcast
25°
Overcast
💧 49% 💨 27 km/h
6 PM
Overcast
23°
Overcast
💧 51% 💨 20.5 km/h
7 PM
Overcast
23°
Overcast
💧 62% 💨 24.1 km/h
8 PM
Cloudy
23°
Cloudy
💧 50% 💨 27.7 km/h
9 PM
Overcast
22°
Overcast
💧 50% 💨 29.5 km/h
10 PM
Light rain
21°
Light rain
💧 65% 💨 30.2 km/h 🌧️ 100%
11 PM
Overcast
19°
Overcast
💧 62% 💨 31 km/h

3-Day Forecast

Daily overview for Hardin, Illinois

Today
Patchy rain nearby
Patchy rain nearby
28° / 17°
🌧️ 88% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 1.06 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:30 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
Overcast
28° / 17°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
27° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Hardin

Plan your trip to Hardin, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Hardin 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Hardin?
Current conditions in Hardin: Sunny, temperature 26°C, humidity 41%.
What is the best time to visit Hardin?
The best time to visit Hardin is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hardin?
Hardin is located at approximately 39.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hardin?
The wettest period in Hardin is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hardin?
For visits to Hardin during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hardin in?
Hardin is located in United States, in the state of Illinois.
What are the public holidays in Hardin in 2026?
View the 2026 public holidays for Hardin on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hardin?
The weather forecast for Hardin uses coordinates 39.1567, -90.6179.