Live Weather & Forecast

Weather in Bethalto

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

Flag of United States
Partly cloudy
26°C
Feels like 26°C
79°F / Feels 79°F
Partly cloudy
Bethalto, Illinois
🌞 Daytime
Updated: 2026-04-12 14:15
💧
Humidity
42%
💨
Wind
31.3 km/h SSW
🌬️
Wind Gust
37 km/h
🌡️
Pressure
1016 mb
👁️
Visibility
16 km
☀️
UV Index
7.3 (High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
15.2°C
🌐
Wind Degree
193°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
173.9 μg/m³
NO₂
7.5 μg/m³
O₃
107 μg/m³
SO₂
2.9 μg/m³
PM 2.5
6.5 μg/m³
PM 10
7 μg/m³

Weather Alerts 2

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

Today's Hourly Forecast

24-hour breakdown for Bethalto, Illinois

12 AM
Clear
16°
Clear
💧 80% 💨 17.3 km/h
1 AM
Clear
16°
Clear
💧 81% 💨 18 km/h
2 AM
Clear
16°
Clear
💧 84% 💨 18 km/h
3 AM
Clear
16°
Clear
💧 85% 💨 17.6 km/h
4 AM
Clear
15°
Clear
💧 84% 💨 16.9 km/h
5 AM
Clear
15°
Clear
💧 83% 💨 15.5 km/h
6 AM
Clear
15°
Clear
💧 84% 💨 14.4 km/h
7 AM
Sunny
16°
Sunny
💧 82% 💨 15.8 km/h
8 AM
Sunny
18°
Sunny
💧 75% 💨 19.1 km/h
9 AM
Sunny
21°
Sunny
💧 64% 💨 23 km/h
10 AM
Sunny
24°
Sunny
💧 56% 💨 26.3 km/h
11 AM
Sunny
26°
Sunny
💧 50% 💨 28.1 km/h
12 PM
Sunny
28°
Sunny
💧 46% 💨 28.4 km/h
1 PM
Sunny
29°
Sunny
💧 42% 💨 29.5 km/h
2 PM
Partly cloudy
26°
Partly cloudy
💧 42% 💨 31.3 km/h
3 PM
Sunny
28°
Sunny
💧 37% 💨 30.6 km/h
4 PM
Sunny
27°
Sunny
💧 36% 💨 22.3 km/h
5 PM
Cloudy
26°
Cloudy
💧 48% 💨 27.4 km/h
6 PM
Overcast
24°
Overcast
💧 48% 💨 26.6 km/h
7 PM
Overcast
23°
Overcast
💧 55% 💨 30.6 km/h
8 PM
Overcast
23°
Overcast
💧 54% 💨 31 km/h
9 PM
Partly Cloudy
22°
Partly Cloudy
💧 54% 💨 31.3 km/h
10 PM
Overcast
21°
Overcast
💧 60% 💨 32 km/h
11 PM
Overcast
19°
Overcast
💧 55% 💨 31 km/h

3-Day Forecast

Daily overview for Bethalto, Illinois

Today
Sunny
Sunny
30° / 15°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
Overcast
27° / 16°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
Cloudy
26° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 31.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Bethalto

Plan your trip to Bethalto, 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 Bethalto 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Bethalto?
Current conditions in Bethalto: Partly cloudy, temperature 26°C, humidity 42%.
What is the best time to visit Bethalto?
The best time to visit Bethalto is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Bethalto?
Bethalto is located at approximately 38.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Bethalto?
The wettest period in Bethalto is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Bethalto?
For visits to Bethalto during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Bethalto in?
Bethalto is located in United States, in the state of Illinois.
What are the public holidays in Bethalto in 2026?
View the 2026 public holidays for Bethalto on our Holidays page.
What are the GPS coordinates used for the weather forecast in Bethalto?
The weather forecast for Bethalto uses coordinates 38.9094, -90.0407.