Current Conditions

Marion, Illinois

84°F29°C

Hot

Feels like89°F32°C

Wind

S 5 mph8 km/h

Humidity

64%

Cloud Cover

As of Wednesday, September 2, 2026 at 10:27 PM CDT

Today's Outlook

Night

Mostly clear, with a low around 78°F26°C. Light wind from the SSW around 5 mph8 km/h.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Hot	High 100°F38°C	Low 76°F25°C	Precip 0 in0 mm—	Cloud 10%	Wind SSW 5 mph8 km/h	Thursday: Mostly clear and hot, with a high of 100°F38°C and morning low of 76°F25°C. Light wind from the SSW around 5 mph8 km/h. Heat risk in the afternoon. Thursday Night: Mostly clear, with a low around 78°F26°C. Light wind from the SSW around 5 mph8 km/h.
Drizzle	High 100°F38°C	Low 77°F25°C	Precip 0.01 in0.3 mm13%	Cloud 15%	Wind SW 3 mph5 km/h	Friday: Mostly clear and hot, with a high of 100°F38°C and morning low of 77°F25°C. Light wind from the SW around 3 mph5 km/h. 13% chance of drizzle in the afternoon. Heat risk in the afternoon. Friday Night: Mostly clear, with a low around 79°F26°C. Light wind from the SSW around 4 mph6 km/h. 11% chance of drizzle.
Drizzle	High 100°F38°C	Low 79°F26°C	Precip 0.04 in0.9 mm33%	Cloud 28%	Wind N 4 mph6 km/h	Saturday: Partly cloudy and hot, with a high of 100°F38°C and morning low of 79°F26°C. Light wind from the NNW around 3 mph6 km/h. 24% chance of drizzle in the afternoon. Heat risk in the afternoon. Saturday Night: Partly cloudy, with a low around 80°F27°C. Light wind from the NNE around 4 mph6 km/h. 33% chance of drizzle in the evening.
Drizzle	High 94°F34°CFeels 97°F36°C	Low 76°F25°C	Precip 0.01 in0.3 mm11%	Cloud 32%	Wind NE 6 mph10 km/h	Sunday: Partly cloudy and hot, with a high of 94°F34°C and morning low of 76°F25°C. Breezy from the NE at 6 to 7 mph10 to 11 km/h. 11% chance of drizzle in the afternoon. Heat risk in the afternoon. Sunday Night: Partly cloudy, with a low around 78°F26°C. Breezy from the ENE at 6 to 7 mph9 to 11 km/h.
Clear	High 94°F34°C	Low 71°F22°C	Precip 0 in0.1 mm2%	Cloud 28%	Wind ENE 6 mph9 km/h	Monday: Partly cloudy and hot, with a high of 94°F34°C and morning low of 71°F22°C. Light wind from the ENE around 5 mph8 km/h. Monday Night: Partly cloudy, with a low around 74°F23°C. Light wind from the E around 6 mph10 km/h.
Hot	High 97°F36°C	Low 73°F23°C	Precip 0 in0.1 mm4%	Cloud 25%	Wind SSE 6 mph10 km/h	Tuesday: Partly cloudy and hot, with a high of 97°F36°C and morning low of 73°F23°C. Light wind from the S around 6 mph10 km/h. Heat risk in the afternoon. Tuesday Night: Mostly clear, with a low around 74°F24°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h.
Hot	High 96°F35°CFeels 100°F38°C	Low 77°F25°C	Precip 0 in0.1 mm5%	Cloud 20%	Wind SSW 8 mph13 km/h	Wednesday: Mostly clear and hot, with a high of 96°F35°C and morning low of 77°F25°C. Breezy from the SSW at 9 mph14 km/h. Heat risk in the afternoon. Wednesday Night: Mostly clear, with a low around 79°F26°C. Breezy from the S at 8 mph12 km/h.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	ThursdaySep 3	100°F38°C	76°F25°C	0 in0 mm· —	10%	Hot	SSW 5 mph8 km/h
DayMostly clear and hot, with a high of 100°F38°C and morning low of 76°F25°C. Light wind from the SSW around 5 mph8 km/h. Heat risk in the afternoon. NightMostly clear, with a low around 78°F26°C. Light wind from the SSW around 5 mph8 km/h.
	FridaySep 4	100°F38°C	77°F25°C	0.01 in0.3 mm· 13%	15%	Drizzle	SW 3 mph5 km/h
DayMostly clear and hot, with a high of 100°F38°C and morning low of 77°F25°C. Light wind from the SW around 3 mph5 km/h. 13% chance of drizzle in the afternoon. Heat risk in the afternoon. NightMostly clear, with a low around 79°F26°C. Light wind from the SSW around 4 mph6 km/h. 11% chance of drizzle.
	SaturdaySep 5	100°F38°C	79°F26°C	0.04 in0.9 mm· 33%	28%	Drizzle	N 4 mph6 km/h
DayPartly cloudy and hot, with a high of 100°F38°C and morning low of 79°F26°C. Light wind from the NNW around 3 mph6 km/h. 24% chance of drizzle in the afternoon. Heat risk in the afternoon. NightPartly cloudy, with a low around 80°F27°C. Light wind from the NNE around 4 mph6 km/h. 33% chance of drizzle in the evening.
	SundaySep 6	94°F34°C Feels 97°F36°C	76°F25°C	0.01 in0.3 mm· 11%	32%	Drizzle	NE 6 mph10 km/h
DayPartly cloudy and hot, with a high of 94°F34°C and morning low of 76°F25°C. Breezy from the NE at 6 to 7 mph10 to 11 km/h. 11% chance of drizzle in the afternoon. Heat risk in the afternoon. NightPartly cloudy, with a low around 78°F26°C. Breezy from the ENE at 6 to 7 mph9 to 11 km/h.
	MondaySep 7	94°F34°C	71°F22°C	0 in0.1 mm· 2%	28%	Clear	ENE 6 mph9 km/h
DayPartly cloudy and hot, with a high of 94°F34°C and morning low of 71°F22°C. Light wind from the ENE around 5 mph8 km/h. NightPartly cloudy, with a low around 74°F23°C. Light wind from the E around 6 mph10 km/h.
	TuesdaySep 8	97°F36°C	73°F23°C	0 in0.1 mm· 4%	25%	Hot	SSE 6 mph10 km/h
DayPartly cloudy and hot, with a high of 97°F36°C and morning low of 73°F23°C. Light wind from the S around 6 mph10 km/h. Heat risk in the afternoon. NightMostly clear, with a low around 74°F24°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h.
	WednesdaySep 9	96°F35°C Feels 100°F38°C	77°F25°C	0 in0.1 mm· 5%	20%	Hot	SSW 8 mph13 km/h
DayMostly clear and hot, with a high of 96°F35°C and morning low of 77°F25°C. Breezy from the SSW at 9 mph14 km/h. Heat risk in the afternoon. NightMostly clear, with a low around 79°F26°C. Breezy from the S at 8 mph12 km/h.
	ThursdaySep 10	94°F34°C Feels 98°F37°C	77°F25°C	0.05 in1.2 mm· 15%	34%	Drizzle	SSW 8 mph13 km/h
DayPartly cloudy and hot, with a high of 94°F34°C and morning low of 77°F25°C. Breezy from the SW at 9 mph14 km/h. 13% chance of drizzle around midday. Heat risk in the afternoon. NightPartly cloudy, with a low around 79°F26°C. Breezy from the SSW at 7 to 8 mph12 to 13 km/h. 15% chance of drizzle in the evening.
	FridaySep 11	91°F33°C	75°F24°C	0.08 in2.1 mm· 18%	44%	Drizzle	SW 7 mph11 km/h
DayPartly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C. Breezy from the SW at 7 to 8 mph12 to 12 km/h. 18% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 77°F25°C. Breezy from the SSW at 7 mph11 km/h. 13% chance of drizzle throughout the night.
	SaturdaySep 12	90°F32°C	72°F22°C	0.12 in3.1 mm· 17%	49%	Showers	SSW 6 mph10 km/h
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 72°F22°C. Breezy from the SW at 7 mph11 km/h. 17% chance of showers throughout the day. NightPartly cloudy, with a low around 74°F23°C. Light wind from the S around 6 mph10 km/h. 17% chance of showers throughout the night.
	SundaySep 13	89°F32°C	71°F22°C	0.07 in1.7 mm· 11%	45%	Drizzle	SSW 7 mph11 km/h
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 71°F22°C. Breezy from the SSW at 7 to 8 mph12 to 13 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 73°F23°C. Breezy from the S at 7 mph11 km/h. 11% chance of drizzle throughout the night.
	MondaySep 14	90°F32°C	72°F22°C	0.09 in2.2 mm· 14%	43%	Showers	SSW 7 mph11 km/h
DayPartly cloudy and hot, with a high of 90°F32°C and morning low of 72°F22°C. Breezy from the SSW at 7 mph11 km/h. 14% chance of showers throughout the day. Humid. NightPartly cloudy, with a low around 73°F23°C. Light wind from the S around 6 mph10 km/h. 14% chance of drizzle throughout the night.
	TuesdaySep 15	88°F31°C	71°F22°C	0.07 in1.9 mm· 18%	44%	Drizzle	SSW 6 mph10 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 71°F22°C. Breezy from the SW at 7 mph10 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 73°F23°C. Light wind from the S around 6 mph10 km/h. 18% chance of drizzle throughout the night.
	WednesdaySep 16	87°F31°C	68°F20°C	0.05 in1.3 mm· 11%	37%	Drizzle	NNE 6 mph10 km/h
DayPartly cloudy and hot, with a high of 87°F31°C and morning low of 68°F20°C. Breezy from the NNW at 6 to 7 mph10 to 11 km/h. 10% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Light wind from the NE around 6 mph10 km/h. 11% chance of drizzle throughout the night.
	ThursdaySep 17	86°F30°C	66°F19°C	0.05 in1.2 mm· 13%	34%	Drizzle	NE 6 mph9 km/h
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 66°F19°C. Light wind from the NE around 6 mph10 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Light wind from the NE around 6 mph9 km/h. 13% chance of drizzle overnight.

Nearby Cities

Carbondale16 mi25 km Mount Vernon41 mi65 km Cape Girardeau43 mi70 km Paducah48 mi78 km Sikeston69 mi111 km Henderson74 mi119 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: 37.7306°N, 88.9331°W·Elevation: 129m·Timezone: America/Chicago·Population: 17,803