Live Weather & Forecast

Weather in Gillespie

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

Flag of United States
Partly cloudy
22°C
Feels like 22°C
71°F / Feels 71°F
Partly cloudy
Gillespie, Illinois
🌞 Daytime
Updated: 2026-04-13 09:30
💧
Humidity
71%
💨
Wind
23.4 km/h SSW
🌬️
Wind Gust
33.6 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
1.9 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
17.4°C
🌐
Wind Degree
204°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
2.2 μg/m³
O₃
95 μg/m³
SO₂
2 μg/m³
PM 2.5
4.9 μg/m³
PM 10
5.8 μg/m³

Weather Alerts 3

Met · Severe · Immediate
Flood Warning issued April 12 at 9:07PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Schuyler, Cass, Brown and Morgan Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding i...

Caution is urged when walking near riverbanks. Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

Effective: 2026-04-12T21:07:00-05:00  ·  Expires: 2026-04-13T13:15:00-05:00
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 12 at 9:46PM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Hannibal. 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: 2026-04-12T21:46:00-05:00  ·  Expires: 2026-04-14T10:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Gillespie, Illinois

12 AM
Clear
21°
Clear
💧 69% 💨 22 km/h
1 AM
Clear
21°
Clear
💧 69% 💨 20.9 km/h
2 AM
Partly Cloudy
20°
Partly Cloudy
💧 71% 💨 20.2 km/h
3 AM
Overcast
21°
Overcast
💧 75% 💨 19.8 km/h
4 AM
Clear
20°
Clear
💧 73% 💨 19.8 km/h
5 AM
Clear
20°
Clear
💧 75% 💨 18.7 km/h
6 AM
Overcast
20°
Overcast
💧 78% 💨 22 km/h
7 AM
Overcast
21°
Overcast
💧 78% 💨 19.8 km/h
8 AM
Partly Cloudy
21°
Partly Cloudy
💧 76% 💨 22.3 km/h
9 AM
Partly cloudy
22°
Partly cloudy
💧 71% 💨 23.4 km/h
10 AM
Partly Cloudy
24°
Partly Cloudy
💧 71% 💨 26.3 km/h
11 AM
Cloudy
25°
Cloudy
💧 68% 💨 26.3 km/h
12 PM
Partly Cloudy
26°
Partly Cloudy
💧 62% 💨 28.4 km/h
1 PM
Partly Cloudy
27°
Partly Cloudy
💧 59% 💨 28.1 km/h
2 PM
Partly Cloudy
28°
Partly Cloudy
💧 56% 💨 29.2 km/h
3 PM
Partly Cloudy
29°
Partly Cloudy
💧 52% 💨 27.7 km/h
4 PM
Sunny
30°
Sunny
💧 48% 💨 25.9 km/h
5 PM
Sunny
26°
Sunny
💧 49% 💨 26.3 km/h
6 PM
Thundery outbreaks in nearby
25°
Thundery outbreaks in nearby
💧 81% 💨 25.6 km/h
7 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 76% 💨 27.4 km/h
8 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 80% 💨 29.5 km/h
9 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 81% 💨 27.7 km/h
10 PM
Overcast
21°
Overcast
💧 82% 💨 26.6 km/h
11 PM
Clear
20°
Clear
💧 90% 💨 25.2 km/h

3-Day Forecast

Daily overview for Gillespie, Illinois

Today
Partly Cloudy
Partly Cloudy
31° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
26° / 18°
🌧️ 86% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0.35 mm
☀️ UV Index: 2
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
Moderate rain
23° / 19°
🌧️ 88% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 32 km/h
🌧️ Total precip: 5.82 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Gillespie

Plan your trip to Gillespie, 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 Gillespie 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Gillespie?
Current conditions in Gillespie: Partly cloudy, temperature 22°C, humidity 71%.
What is the best time to visit Gillespie?
The best time to visit Gillespie is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gillespie?
Gillespie is located at approximately 39.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gillespie?
The wettest period in Gillespie is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gillespie?
For visits to Gillespie during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Gillespie in?
Gillespie is located in United States, in the state of Illinois.
What are the public holidays in Gillespie in 2026?
View the 2026 public holidays for Gillespie on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gillespie?
The weather forecast for Gillespie uses coordinates 39.1267, -89.8163.