Local weather forecast

Weather in Patterson, IL

Updated 2026-08-11 10:15 local time · ZIP codes 62078

Sunny
Now86°F

Sunny

High / Low100° / 74°
Rain chance4%
Wind15 mph
Weather alerts

Active alerts

1
Heat Advisory issued August 11 at 2:17AM CDT until August 12 at 8:00PM CDT by NWS St Louis MO

* WHAT...Heat index values up to 106. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Safety instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Hourly

Next hours

NowSunny86°4% rain
11 AMSunny93°3% rain
12 PMSunny92°3% rain
1 PMSunny99°2% rain
2 PMSunny100°1% rain
3 PMSunny99°1% rain
4 PMSunny98°1% rain
5 PMSunny97°1% rain
6 PMSunny95°1% rain
7 PMSunny91°2% rain
8 PMSunny88°2% rain
9 PMClear85°2% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
100° 74°Sunny
Rain 4%Gust 17 mph
Tomorrow2026-08-12
Sunny
90° 76°Sunny
Rain 57%Gust 12 mph
Thursday2026-08-13
Partly Cloudy
94° 71°Partly Cloudy
Rain 25%Gust 17 mph
Conditions

Weather details

Feels like93°F
Humidity64%
Pressure29.92 inHg
Visibility6 mi
Wind15 mph WSW
Wind gusts18 mph
Precipitation0.00 in
UV index3
Daylight

Sunrise, sunset and moon

Sunrise06:10 AM
Sunset08:03 PM
Moonrise04:13 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 4%).

Choose light, breathable clothing

It feels like 93°F with winds near 15 mph.

Best window: 8 PM

88°F, 2% rain chance and 8 mph wind.

Allow a little extra driving time

Visibility is around 6 mi; gusts may reach 20 mph.

Running conditions are less comfortable

Current temperature is 86°F, wind 15 mph, rain chance up to 4%.

Low UV protection needs

UV index is 3.

Patterson weather today

Sunny and 86°F in Patterson, IL. Today's high is 100°F with a 4% rain chance. Winds are around 15 mph with gusts near 18 mph. Relative humidity is 64%, pressure is 29.92 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Patterson

Sunrise is at 06:10 AM and sunset is at 08:03 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 76°F. The maximum rain chance is 57%.

Nearby

Weather near Patterson

Illinois

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