Observed 10:55 AM CDT at KC75

Mark, IL weather

Sunny and 65°18°, 12°7° warmer than a typical Oct 24.

Mostly agree

Now 65°18°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 11 PM
Dew point: 48°9°; Comfortable
UV index: 2Low; Moderate 12–3 PM · peak 3
Pressure: 30.39 inHg1029 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (66°19° then, 65°18° now)

Good hours for

High 73°23° today at 4 PM
Low 50°10° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 73°23° by 4 PM · Partly cloudy
TonightDown to 51°11° by 5 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 75°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 5 AM · Mostly cloudy
Monday morningUp to 60°16° by 10 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Partly sunny	64°18° (likely 61°16° to 66°19°)	64°18°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	52%	66%	2
Sat 12p	Cloudy	66°19° (likely 65°18° to 69°21°)	66°19°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	48%	78%	3
Sat 1p	Cloudy	69°21° (likely 68°20° to 71°22°)	69°21°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	45%	73%	3
Sat 2p	Sunny	71°22° (likely 70°21° to 73°23°)	71°22°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	42%	29%	3
Sat 3p	Sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	41%	17%	2
Sat 4p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	40%	21%	1
Sat 5p	Sunny	71°22° (likely 67°19° to 72°22°)	71°22°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	40%	19%	0
Sat 6p	Clear	68°20° (likely 62°17° to 68°20°)	68°20°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	46%	17%	0
Sat 7p	Clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	50%	7%	0
Sat 8p	Clear	62°17° (likely 57°14° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	52%	3%	0
Sat 9p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	55%	5%	0
Sat 10p	Partly cloudy	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	57%	31%	0
Sat 11p	Mostly clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	60%	42%	0
Sun 12a	Partly cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	59%	47%	0
Sun 1a	Cloudy	54°12° (likely 51°11° to 55°13°)	54°12°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	69%	61%	0
Sun 2a	Mostly clear	53°12° (likely 51°11° to 55°13°)	53°12°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	71%	67%	0
Sun 3a	Partly cloudy	52°11° (likely 50°10° to 54°12°)	52°11°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	74%	73%	0
Sun 4a	Cloudy	52°11° (likely 50°10° to 53°12°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	71%	86%	0
Sun 5a	Cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	74%	83%	0
Sun 6a	Cloudy	50°10° (likely 48°9° to 53°12°)	49°9°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	77%	89%	0
Sun 7a	Partly sunny	50°10° (likely 48°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 10 mph16 km/h	77%	81%	0
Sun 8a	Partly sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	74%	75%	0
Sun 9a	Cloudy	56°13° (likely 53°12° to 57°14°)	56°13°	0%	5 mph8 km/h from S, gusts 8 mph14 km/h	69%	67%	1
Sun 10a	Cloudy	61°16° (likely 59°15° to 64°18°)	61°16°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	60%	67%	2
Sun 11a	Cloudy	65°18° (likely 64°18° to 69°21°)	65°18°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	54%	64%	2
Sun 12p	Partly sunny	69°21° (likely 67°19° to 72°22°)	69°21°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	47%	49%	3
Sun 1p	Partly sunny	72°22° (likely 70°21° to 74°23°)	72°22°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	43%	51%	3
Sun 2p	Partly sunny	73°23° (likely 72°22° to 76°24°)	73°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	40%	67%	3
Sun 3p	Cloudy	74°23° (likely 72°22° to 76°24°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	38%	80%	3
Sun 4p	Cloudy	75°24° (likely 72°22° to 76°24°)	75°24°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	37%	80%	2
Sun 5p	Cloudy	73°23° (likely 69°21° to 74°23°)	73°23°	0%	0 mph0 km/h, gusts 6 mph10 km/h	41%	77%	1
Sun 6p	Cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	0 mph0 km/h, gusts 5 mph8 km/h	46%	67%	0
Sun 7p	Mostly cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 4 mph7 km/h	50%	69%	0
Sun 8p	Partly cloudy	62°17° (likely 59°15° to 65°18°)	62°17°	0%	0 mph0 km/h, gusts 4 mph6 km/h	58%	73%	0
Sun 9p	Cloudy	59°15° (likely 57°14° to 63°17°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	64%	73%	0
Sun 10p	Cloudy	58°14° (likely 56°13° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	64%	76%	0
Sun 11p	Cloudy	57°14° (likely 55°13° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 8 mph13 km/h	67%	75%	0
Mon 12a	Cloudy	56°13° (likely 53°12° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	69%	74%	0
Mon 1a	Cloudy	55°13° (likely 53°12° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	72%	72%	0
Mon 2a	Cloudy	54°12° (likely 52°11° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 7 mph12 km/h	74%	76%	0
Mon 3a	Cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	77%	76%	0
Mon 4a	Cloudy	53°12° (likely 50°10° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	77%	75%	0
Mon 5a	Cloudy	52°11° (likely 49°9° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	77%	80%	0
Mon 6a	Cloudy	51°11° (likely 48°9° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	74%	0
Mon 7a	Cloudy	51°11° (likely 48°9° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	80%	82%	0
Mon 8a	Cloudy	53°12° (likely 47°8° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	77%	89%	0
Mon 9a	Cloudy	57°14° (likely 52°11° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	72%	94%	1
Mon 10a	Cloudy	60°16° (likely 58°14° to 62°17°)	60°16°	0%	0 mph0 km/h, gusts 8 mph13 km/h	69%	89%	2

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 73°23°, low 50°10°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
2. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 51°11°
  Dry
Official NWS forecast
Today: Partly sunny. High near 73, with temperatures falling to around 71 in the afternoon. South wind around 5 mph.
Tonight: Partly cloudy, with a low around 50. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
46°8°–50°10°
Typical high / low
61°16° / 40°4°
Wind
10 mph16 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 75°24°, low 51°11°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. South wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 51. South wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
48°9°–51°11°
Typical high / low
61°16° / 40°4°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 72°22°, low 49°9°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 72.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–72°22°
Low, likely
48°9°–52°11°
Typical high / low
60°16° / 39°4°
Wind
13 mph20 km/h, gusts 22 mph35 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 71°22°, low 53°12°. Typical 60°16° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 71.
Night: Mostly cloudy, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
49°9°–53°12°
Typical high / low
60°16° / 39°4°
Wind
10 mph15 km/h, gusts 21 mph34 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 74°23°, low 53°12°. Typical 59°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 56°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Mostly clear, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–75°24°
Low, likely
53°12°–56°13°
Typical high / low
59°15° / 39°4°
Wind
13 mph20 km/h, gusts 27 mph43 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 71°22°, low 49°9°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
49°9°–60°16°
Typical high / low
59°15° / 38°3°
Wind
11 mph18 km/h, gusts 29 mph47 km/h
UV peak
3
Friday, Oct 30. Showers. High 69°21°, low 51°11°. Typical 58°14° / 38°3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 69.
Night: A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–77°25°
Low, likely
51°11°–58°14°
Typical high / low
58°14° / 38°3°
Wind
13 mph21 km/h, gusts 27 mph43 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 72°22°, low 57°14°. Typical 58°14° / 38°3°. Rain 0.11 in2.8 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  50% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  50% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
69°21°–78°26°
Low, likely
54°12°–60°16°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 28 mph45 km/h
UV peak
2
Sunday, Nov 1. Showers. High 66°19°, low 59°15°. Typical 57°14° / 37°3°. Rain 0.53 in13 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 63°17°
  50% chance · 0.17 in4.3 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  50% chance · 0.2 in5.1 mm
3. Evening
  6 PM–midnight
  Showers, 62°17°
  40% chance · 0.15 in3.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  40% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
56°13°–61°16°
Typical high / low
57°14° / 37°3°
Wind
23 mph37 km/h, gusts 41 mph66 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 62°17°, low 54°12°. Typical 57°14° / 37°3°. Rain 0.51 in13 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 58°15°
  40% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  40% chance · 0.37 in9.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  40% chance · 0.12 in2.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
48°9°–62°17°
Typical high / low
57°14° / 37°3°
Wind
22 mph36 km/h, gusts 41 mph66 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 50°.
Tomorrow
Dry, high 75°, low 51°.
Monday
Dry, high 72°, low 49°, cooling off.
Rest of week
Highs 62–74°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DVN) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Illinois River near La Salle

8.6 mi

Below flood stage

Level: 11.6 ft
Flow: 5,890 cfs

Forecast peak 11.5 ft Sat 1 PM

Reading from Sat 10:45 AM · NWS gauge page

Illinois River near Henry

12 mi

Below flood stage

Level: 14.8 ft
Flow: 4,960 cfs

Forecast peak 14.8 ft Sat 1 PM

Reading from Sat 9:45 AM · NWS gauge page

Illinois River at Starved Rock Lock (tailwater)

15 mi

Below flood stage

Level: 442 ft
Flow: 4,720 cfs

Forecast peak 442 ft Sat 1 PM

Reading from Sat 10 AM · NWS gauge page

Big Bureau Creek at Princeton

15 mi

Below flood stage

Level: 3.1 ft
Flow: 75 cfs

Reading from Sat 9:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 89% less heating than a typical week.

This week 12Typical 110

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 12:00 PM–9:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Hennepin · official normals 1991–2020 · records 2011–2026

Oct 24, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

−3°−2°SunOct 18
−1°MonOct 19
+2°+1°TueOct 20
+4°+2°WedOct 21
+4°+2°ThuOct 22
+8°+4°FriOct 23
—SatOct 24

Mark weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 32 min less
Golden hour: 5:24–6:20 PM; Morning 7:01–7:57 AM
Blue hour: 6:20–6:30 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Fair

Mostly clear 6:30–10 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:32 AM · rises 5:00 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Mark. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Mark, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Illinois River near La Salle

Illinois River near Henry

Illinois River at Starved Rock Lock (tailwater)

Big Bureau Creek at Princeton

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon