Local weather forecast

Weather in Williamsfield, IL

Updated 2026-08-11 12:00 local time · ZIP codes 61489

Sunny
Now79°F

Sunny

High / Low97° / 72°
Rain chance8%
Wind5 mph
Weather alerts

Active alerts

1
Heat Advisory issued August 11 at 3:48AM CDT until August 11 at 8:00PM CDT by NWS Lincoln IL

* WHAT...Heat index values up to 105. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...From noon today to 8 PM CDT this evening. * 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.

Hourly

Next hours

NowSunny79°2% rain
1 PMSunny96°2% rain
2 PMSunny95°2% rain
3 PMPatchy rain nearby97°9% rain
4 PMSunny96°1% rain
5 PMPatchy rain nearby94°10% rain
6 PMSunny95°2% rain
7 PMSunny93°2% rain
8 PMSunny89°2% rain
9 PMClear86°4% rain
10 PMClear83°5% rain
11 PMClear81°5% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
97° 72°Sunny
Rain 8%Gust 11 mph
Tomorrow2026-08-12
Mist
83° 71°Mist
Rain 68%Gust 14 mph
Thursday2026-08-13
Partly Cloudy
82° 68°Partly Cloudy
Rain 88%Gust 10 mph
Conditions

Weather details

Feels like81°F
Humidity79%
Pressure29.92 inHg
Visibility10 mi
Wind5 mph SSW
Wind gusts6 mph
Precipitation0.00 in
UV index4
Daylight

Sunrise, sunset and moon

Sunrise06:06 AM
Sunset08:04 PM
Moonrise04:06 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 10%).

Light layers should work

It feels like 81°F with winds near 5 mph.

Best window: 12 PM

79°F, 2% rain chance and 5 mph wind.

Allow a little extra driving time

Visibility is around 10 mi; gusts may reach 14 mph.

Run with a few weather adjustments

Current temperature is 79°F, wind 5 mph, rain chance up to 10%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

Williamsfield weather today

Sunny and 79°F in Williamsfield, IL. Today's high is 97°F with a 8% rain chance. Winds are around 5 mph with gusts near 6 mph. Relative humidity is 79%, pressure is 29.92 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Williamsfield

Sunrise is at 06:06 AM and sunset is at 08:04 PM. Tomorrow's forecast calls for Mist with a high near 83°F and a low near 71°F. The maximum rain chance is 68%.

Nearby

Weather near Williamsfield

Illinois

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