Current Conditions

DeKalb, Illinois

74°F23°C

Partly Cloudy

Wind

SSW 3 mph5 km/h

Humidity

44%

Cloud Cover

67%

As of Thursday, July 23, 2026 at 5:30 PM CDT

Today's Outlook

Day

Mostly cloudy and warm, with a high of 76°F24°C. Light wind from the SSW around 3 mph4 km/h. Dry air.

Night

Overcast, with a low around 66°F19°C. Light wind from the SSW around 3 mph5 km/h.

7-Day Forecast

Day	Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
ThursdayJul 23	Partly Cloudy	High 76°F24°C	Low 66°F19°C	Precip 0 in0 mm—	Cloud 76%	Wind SSW 3 mph5 km/h	Thursday: Mostly cloudy and warm, with a high of 76°F24°C. Light wind from the SSW around 3 mph4 km/h. Dry air. Thursday Night: Overcast, with a low around 66°F19°C. Light wind from the SSW around 3 mph5 km/h.
FridayJul 24	Partly Cloudy	High 78°F26°C	Low 60°F16°C	Precip 0 in0.1 mm5%	Cloud 62%	Wind S 5 mph8 km/h	Friday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 62°F17°C. Light wind from the S around 5 mph8 km/h. Friday Night: Mostly cloudy, with a low around 60°F16°C. Light wind from the S around 5 mph8 km/h.
SaturdayJul 25	Partly Cloudy	High 81°F27°C	Low 62°F17°C	Precip 0 in0.1 mm4%	Cloud 55%	Wind SSW 6 mph10 km/h	Saturday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 65°F18°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. Saturday Night: Partly cloudy, with a low around 62°F17°C. Light wind from the SSW around 5 mph8 km/h.
SundayJul 26	Hot	High 89°F32°CFeels 96°F36°C	Low 70°F21°C	Precip 0.02 in0.4 mm6%	Cloud 67%	Wind SW 5 mph9 km/h	Sunday: Mostly cloudy and hot, with a high of 89°F32°C and morning low of 72°F22°C — feels like 97°F36°C. Breezy from the SW at 5 to 7 mph9 to 12 km/h. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 70°F21°C. Light wind from the SW around 5 mph9 km/h.
MondayJul 27	Showers	High 91°F33°CFeels 100°F38°C	Low 74°F23°C	Precip 0.3 in7.5 mm45%	Cloud 47%	Wind SW 8 mph13 km/h	Monday: Partly cloudy and hot, with a high of 91°F33°C and morning low of 74°F23°C — feels like 100°F38°C. Breezy from the SW at 9 to 10 mph15 to 17 km/h. 45% chance of showers throughout the day. Heat risk in the afternoon. Monday Night: Partly cloudy, with a low around 75°F24°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 34% chance of showers throughout the night.
TuesdayJul 28	Drizzle	High 87°F31°C	Low 74°F23°C	Precip 0.02 in0.6 mm10%	Cloud 28%	Wind N 8 mph12 km/h	Tuesday: Partly cloudy and hot, with a high of 87°F31°C and morning low of 74°F23°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. 10% chance of drizzle in the afternoon. Humid. Tuesday Night: Mostly clear, with a low around 74°F23°C. Breezy from the NNE at 7 mph11 km/h.
WednesdayJul 29	Clear	High 86°F30°C	Low 66°F19°C	Precip 0.01 in0.3 mm7%	Cloud 18%	Wind NE 6 mph9 km/h	Wednesday: Mostly clear and hot, with a high of 86°F30°C and morning low of 67°F19°C. Light wind from the NNE around 6 mph9 km/h. Wednesday Night: Mostly clear, with a low around 66°F19°C. Light wind from the ENE around 5 mph8 km/h.

15-Day Forecast

	Day	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Condition	Wind (mph)
	ThursdayJul 23	76°F24°C	66°F19°C	0 in0 mm· —	76%	Partly Cloudy	SSW 3 mph5 km/h
DayMostly cloudy and warm, with a high of 76°F24°C. Light wind from the SSW around 3 mph4 km/h. Dry air. NightOvercast, with a low around 66°F19°C. Light wind from the SSW around 3 mph5 km/h.
	FridayJul 24	78°F26°C	60°F16°C	0 in0.1 mm· 5%	62%	Partly Cloudy	S 5 mph8 km/h
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 62°F17°C. Light wind from the S around 5 mph8 km/h. NightMostly cloudy, with a low around 60°F16°C. Light wind from the S around 5 mph8 km/h.
	SaturdayJul 25	81°F27°C	62°F17°C	0 in0.1 mm· 4%	55%	Partly Cloudy	SSW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 65°F18°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. NightPartly cloudy, with a low around 62°F17°C. Light wind from the SSW around 5 mph8 km/h.
	SundayJul 26	89°F32°C Feels 96°F36°C	70°F21°C	0.02 in0.4 mm· 6%	67%	Hot	SW 5 mph9 km/h
DayMostly cloudy and hot, with a high of 89°F32°C and morning low of 72°F22°C — feels like 97°F36°C. Breezy from the SW at 5 to 7 mph9 to 12 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 70°F21°C. Light wind from the SW around 5 mph9 km/h.
	MondayJul 27	91°F33°C Feels 100°F38°C	74°F23°C	0.3 in7.5 mm· 45%	47%	Showers	SW 8 mph13 km/h
DayPartly cloudy and hot, with a high of 91°F33°C and morning low of 74°F23°C — feels like 100°F38°C. Breezy from the SW at 9 to 10 mph15 to 17 km/h. 45% chance of showers throughout the day. Heat risk in the afternoon. NightPartly cloudy, with a low around 75°F24°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 34% chance of showers throughout the night.
	TuesdayJul 28	87°F31°C	74°F23°C	0.02 in0.6 mm· 10%	28%	Drizzle	N 8 mph12 km/h
DayPartly cloudy and hot, with a high of 87°F31°C and morning low of 74°F23°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. 10% chance of drizzle in the afternoon. Humid. NightMostly clear, with a low around 74°F23°C. Breezy from the NNE at 7 mph11 km/h.
	WednesdayJul 29	86°F30°C	66°F19°C	0.01 in0.3 mm· 7%	18%	Clear	NE 6 mph9 km/h
DayMostly clear and hot, with a high of 86°F30°C and morning low of 67°F19°C. Light wind from the NNE around 6 mph9 km/h. NightMostly clear, with a low around 66°F19°C. Light wind from the ENE around 5 mph8 km/h.
	ThursdayJul 30	88°F31°C	67°F19°C	0.05 in1.2 mm· 12%	29%	Drizzle	SSW 6 mph9 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 68°F20°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 10% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F19°C. Light wind from the S around 5 mph8 km/h. 12% chance of drizzle in the evening.
	FridayJul 31	89°F31°C	69°F21°C	0.07 in1.8 mm· 16%	39%	Drizzle	WSW 6 mph10 km/h
DayPartly cloudy and hot, with a high of 89°F31°C and morning low of 70°F21°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Light wind from the SW around 6 mph9 km/h. 15% chance of drizzle throughout the night.
	SaturdayAug 1	88°F31°C	70°F21°C	0.05 in1.3 mm· 15%	33%	Drizzle	W 6 mph10 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Breezy from the WNW at 7 to 8 mph11 to 12 km/h. 15% chance of drizzle in the morning. NightPartly cloudy, with a low around 70°F21°C. Light wind from the WSW around 6 mph10 km/h. 14% chance of drizzle before dawn.
	SundayAug 2	88°F31°C	69°F20°C	0.05 in1.3 mm· 13%	40%	Drizzle	SSW 7 mph11 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 69°F20°C. Breezy from the SW at 7 to 8 mph12 to 14 km/h. 10% chance of drizzle in the morning. NightPartly cloudy, with a low around 69°F20°C. Breezy from the S at 6 to 7 mph10 to 11 km/h. 13% chance of drizzle throughout the night.
	MondayAug 3	88°F31°C	70°F21°C	0.08 in2.1 mm· 16%	47%	Drizzle	SSW 8 mph13 km/h
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Breezy from the SW at 9 to 10 mph14 to 17 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the SSW at 7 to 8 mph12 to 12 km/h. 16% chance of drizzle throughout the night.
	TuesdayAug 4	86°F30°C	69°F21°C	0.1 in2.5 mm· 15%	47%	Showers	WSW 8 mph13 km/h
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 69°F21°C. Breezy from the WSW at 9 to 10 mph14 to 16 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 15% chance of showers throughout the night.
	WednesdayAug 5	84°F29°C	67°F19°C	0.13 in3.2 mm· 15%	45%	Showers	W 7 mph12 km/h
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 67°F19°C. Breezy from the W at 8 to 9 mph13 to 15 km/h. 12% chance of showers throughout the day. NightPartly cloudy, with a low around 67°F20°C. Breezy from the WSW at 7 mph11 km/h. 15% chance of drizzle throughout the night.
	ThursdayAug 6	84°F29°C	65°F19°C	0.06 in1.6 mm· 12%	40%	Drizzle	SW 7 mph11 km/h
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 66°F19°C. Breezy from the WSW at 7 to 8 mph12 to 13 km/h. 11% chance of drizzle around midday. NightPartly cloudy, with a low around 65°F19°C. Light wind from the SSW around 6 mph10 km/h. 12% chance of drizzle throughout the night.

Nearby Cities

Sycamore5 mi8 km Wasco18 mi29 km St. Charles23 mi37 km Geneva23 mi37 km Batavia23 mi37 km Huntley23 mi38 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 41.9295°N, 88.7504°W·Elevation: 268m·Timezone: America/Chicago·Population: 43,211