Frederick, IL 14 Day Weather - 62639 WeatherWorld.com

Sizzling hot near 99°F 37°C with a heat index reaching 106°F 41°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the WSW to the S at 14 mph 24 km/h. Gusts up to 24 mph 38 km/h.

Sweltering heat reaching 106°F 41°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the SW to the S at 12 mph 20 km/h. Gusts up to 20 mph 32 km/h.

Dangerously hot temperatures around 104°F 40°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SW to the S at 15 mph 24 km/h. Gusts up to 23 mph 37 km/h.

Dangerously hot with a high of 105°F 41°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds swinging from the WSW to the ESE at 8 mph 12 km/h.

Scorching hot near 104°F 40°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds shifting from the SW to the S at 8 mph 14 km/h.

Very hot with a high of 93°F 34°C, feeling closer to 96°F 35°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the SSW to the ESE at 6 mph 10 km/h.

Hot and sweltering around 92°F 33°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the S to the SSE at 5 mph 7 km/h.

Enjoyable around 70°F 21°C, scattered morning showers before drying out later, with lower humidity and barometric pressure rising. Winds moving from the SE to the ENE at 16 mph 25 km/h. Gusts up to 25 mph 39 km/h.

Mild temperatures up to 79°F 26°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds SE at 14 mph 22 km/h. Gusts up to 23 mph 36 km/h.

Very hot with a high of 92°F 34°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the SSW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.

Pleasant near 71°F 22°C, scattered downpours possible, with increasing humidity and steady pressure. Winds blowing from the WSW at 13 mph 22 km/h. Gusts up to 20 mph 32 km/h.

Balmy with temperatures reaching 84°F 29°C, overcast throughout the day, with lower humidity and steady pressure.

Refreshing around 61°F 16°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the NNE to the NE at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.

Mild temperatures up to 74°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the N to the NE at 8 mph 12 km/h.