Observed 9:15 AM CDT at KRPJ

Mendota, IL weather

Sunny and 57°14°, 13°7° warmer than a typical Oct 24.

Mostly agree

Now 57°14°

Sunny

Wind: 7 mph11 km/h; From the south-southeast. 58–10 mph16 km/h through 10 PM
Dew point: 46°8°; Comfortable
UV index: 1Low; Moderate 12–3 PM · peak 3
Pressure: 30.41 inHg1030 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 (55°13° then, 55°13° now)

Good hours for

High 72°22° today at 3 PM
Below 60°16° tonight after 8 PM
Low 49°9° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This morningUp to 63°17° by 11 AM · Mostly cloudy
This afternoonUp to 72°22° by 3 PM · Partly cloudy
TonightDown to 50°10° by 5 AM · Partly cloudy
Tomorrow morningUp to 64°18° by 11 AM · Cloudy
Tomorrow afternoonUp to 74°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 5 AM · Mostly cloudy
Monday morningUp to 55°13° by 9 AM · Mostly 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 10a	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	5%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	64%	81%	1
Sat 11a	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	5%	5 mph8 km/h from SSE, gusts 13 mph21 km/h	55%	80%	2
Sat 12p	Mostly cloudy	66°19° (likely 63°17° to 67°19°)	66°19°	5%	5 mph8 km/h from S, gusts 13 mph20 km/h	49%	61%	3
Sat 1p	Sunny	69°21° (likely 66°19° to 70°21°)	69°21°	5%	10 mph16 km/h from S, gusts 12 mph19 km/h	43%	45%	3
Sat 2p	Cloudy	71°22° (likely 68°20° to 72°22°)	71°22°	5%	5 mph8 km/h from S, gusts 11 mph18 km/h	40%	80%	3
Sat 3p	Sunny	72°22° (likely 68°20° to 72°22°)	72°22°	5%	5 mph8 km/h from S, gusts 10 mph17 km/h	38%	42%	2
Sat 4p	Sunny	72°22° (likely 68°20° to 72°22°)	72°22°	5%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	38%	43%	1
Sat 5p	Cloudy	70°21° (likely 66°19° to 71°22°)	70°21°	5%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	41%	71%	0
Sat 6p	Mostly cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	47%	56%	0
Sat 7p	Partly cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	53%	39%	0
Sat 8p	Clear	59°15° (likely 57°14° to 60°16°)	59°15°	5%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	59%	15%	0
Sat 9p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	62%	12%	0
Sat 10p	Partly cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	65%	39%	0
Sat 11p	Clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 10 mph15 km/h	67%	13%	0
Sun 12a	Clear	54°12° (likely 50°10° to 54°12°)	54°12°	0%	5 mph8 km/h from SSE, gusts 8 mph14 km/h	69%	44%	0
Sun 1a	Partly cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	71%	50%	0
Sun 2a	Partly cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	75%	59%	0
Sun 3a	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	5 mph8 km/h from SSE, gusts 7 mph11 km/h	76%	72%	0
Sun 4a	Cloudy	51°11° (likely 47°8° to 51°11°)	50°10°	0%	5 mph8 km/h from SSE, gusts 7 mph12 km/h	76%	85%	0
Sun 5a	Cloudy	50°10° (likely 47°8° to 51°11°)	49°9°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	76%	92%	0
Sun 6a	Cloudy	49°9° (likely 46°8° to 51°11°)	48°9°	0%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	79%	86%	0
Sun 7a	Cloudy	49°9° (likely 45°7° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	94%	0
Sun 8a	Cloudy	51°11° (likely 47°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	80%	95%	0
Sun 9a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 5 mph7 km/h	71%	91%	1
Sun 10a	Cloudy	60°16° (likely 58°14° to 60°16°)	60°16°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	61%	80%	2
Sun 11a	Cloudy	64°18° (likely 63°17° to 66°19°)	65°18°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	52%	79%	2
Sun 12p	Partly sunny	68°20° (likely 66°19° to 70°21°)	68°20°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	46%	70%	3
Sun 1p	Sunny	71°22° (likely 69°21° to 73°23°)	71°22°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	41%	47%	3
Sun 2p	Cloudy	73°23° (likely 71°22° to 75°24°)	73°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	38%	74%	3
Sun 3p	Cloudy	74°23° (likely 71°22° to 76°24°)	74°23°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	37%	78%	3
Sun 4p	Mostly cloudy	74°23° (likely 71°22° to 76°24°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	37%	70%	2
Sun 5p	Cloudy	72°22° (likely 68°20° to 74°23°)	72°22°	0%	0 mph0 km/h, gusts 8 mph13 km/h	41%	80%	1
Sun 6p	Cloudy	68°20° (likely 63°17° to 69°21°)	68°20°	0%	0 mph0 km/h, gusts 5 mph9 km/h	46%	73%	0
Sun 7p	Cloudy	64°18° (likely 60°16° to 65°18°)	64°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	52%	76%	0
Sun 8p	Cloudy	61°16° (likely 59°15° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	58%	71%	0
Sun 9p	Cloudy	59°15° (likely 57°14° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 3 mph4 km/h	61%	75%	0
Sun 10p	Cloudy	58°14° (likely 55°13° to 60°16°)	58°14°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	76%	0
Sun 11p	Cloudy	57°14° (likely 54°12° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	67%	78%	0
Mon 12a	Cloudy	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	69%	74%	0
Mon 1a	Cloudy	55°13° (likely 53°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	71%	80%	0
Mon 2a	Cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 3 mph6 km/h	74%	79%	0
Mon 3a	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	76%	83%	0
Mon 4a	Cloudy	53°12° (likely 51°11° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	78%	70%	0
Mon 5a	Cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 8 mph14 km/h	81%	87%	0
Mon 6a	Cloudy	50°10° (likely 49°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 7 mph12 km/h	84%	77%	0
Mon 7a	Cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 7 mph12 km/h	85%	83%	0
Mon 8a	Cloudy	52°11° (likely 48°9° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 6 mph9 km/h	83%	83%	0
Mon 9a	Cloudy	55°13° (likely 52°11° to 57°14°)	55°13°	0%	5 mph8 km/h from ENE, gusts 8 mph14 km/h	76%	77%	1

Days ahead

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

Today, Oct 24. Cloudy. High 72°22°, low 49°9°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Today: Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southeast wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 49. South southeast wind around 5 mph, with gusts as high as 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
44°7°–49°9°
Typical high / low
59°15° / 37°3°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 74°23°, low 50°10°. Typical 58°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South southeast wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 50. South southeast wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–76°24°
Low, likely
45°7°–51°11°
Typical high / low
58°14° / 36°2°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 70°21°, low 48°9°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 70. East northeast wind 0 to 5 mph, with gusts as high as 15 mph.
Night: Mostly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–72°22°
Low, likely
48°9°–51°11°
Typical high / low
58°14° / 36°2°
Wind
13 mph22 km/h, gusts 21 mph33 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 69°21°, low 52°11°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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 69.
Night: Mostly cloudy, with a low around 52.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–72°22°
Low, likely
48°9°–52°11°
Typical high / low
57°14° / 36°2°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 73°23°, low 52°11°. Typical 56°13° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 73°23°).
High, likely
71°22°–74°23°
Low, likely
52°11°–55°13°
Typical high / low
56°13° / 35°2°
Wind
13 mph20 km/h, gusts 25 mph40 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 48°9°. Typical 56°13° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–75°24°
Low, likely
48°9°–59°15°
Typical high / low
56°13° / 35°2°
Wind
10 mph16 km/h, gusts 28 mph45 km/h
UV peak
3
Friday, Oct 30. Showers. High 68°20°, low 49°9°. Typical 55°13° / 35°2°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Partly sunny, with a high near 68.
Night: A chance of rain showers. Mostly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–77°25°
Low, likely
46°8°–58°14°
Typical high / low
55°13° / 35°2°
Wind
13 mph21 km/h, gusts 25 mph41 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 71°22°, low 56°13°. Typical 55°13° / 34°1°. Rain 0.12 in3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 71°22°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  50% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°16°
  50% chance · 0.05 in1.1 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
67°19°–77°25°
Low, likely
53°12°–59°15°
Typical high / low
55°13° / 34°1°
Wind
13 mph21 km/h, gusts 27 mph43 km/h
UV peak
3
Sunday, Nov 1. Showers. High 65°18°, low 58°14°. Typical 54°12° / 34°1°. Rain 0.6 in15 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 62°17°
  50% chance · 0.18 in4.6 mm
2. Afternoon
  noon–6 PM
  Rain, 64°18°
  50% chance · 0.28 in7 mm
3. Evening
  6 PM–midnight
  Showers, 62°17°
  40% chance · 0.16 in4.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.03 in0.7 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°–68°20°
Low, likely
55°13°–61°16°
Typical high / low
54°12° / 34°1°
Wind
25 mph41 km/h, gusts 43 mph68 km/h
UV peak
2
Monday, Nov 2. Showers. High 61°16°, low 52°11°. Typical 54°12° / 33°1°. Rain 0.51 in13 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Showers, 59°15°
  40% chance · 0.38 in9.7 mm
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  40% chance · 0.19 in4.9 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
58°14°–67°19°
Low, likely
48°9°–60°16°
Typical high / low
54°12° / 33°1°
Wind
21 mph34 km/h, gusts 39 mph63 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 49°.
Tomorrow
Dry, high 74°, low 50°.
Monday
Dry, high 70°, low 48°, cooling off.
Rest of week
Highs 61–73°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LOT) (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

16 mi

Below flood stage

Level: 11.6 ft
Flow: 5,970 cfs

Forecast peak 11.4 ft Sat 1 PM

Reading from Sat 9:45 AM · NWS gauge page

Illinois River at Starved Rock Lock (tailwater)

17 mi

Below flood stage

Level: 442 ft
Flow: 4,730 cfs

Forecast peak 442 ft Sat 1 PM

Reading from Sat 9 AM · NWS gauge page

Illinois River at Marseilles Lock (tailwater)

24 mi

Below flood stage

Level: 459 ft
Flow: 2,200 cfs

Forecast peak 459 ft Sat 1 PM

Reading from Sat 9:30 AM · NWS gauge page

Illinois River at Ottawa

20 mi

Below flood stage

Level: 459 ft

Reading from Sat 9:30 AM · NWS gauge page

For your home

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

Heating this week

About 90% less heating than a typical week.

This week 14Typical 131

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 11:00 AM–7:00 PM

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

Is this typical?

Paw Paw 2s · official normals 1991–2020 · records 1935–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° warmer than typical.

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

−7°−4°SunOct 18
−3°−2°MonOct 19
+3°+1°TueOct 20
+7°+4°WedOct 21
+11°+6°ThuOct 22
+12°+7°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:23–6:19 PM; Morning 7:01–7:57 AM
Blue hour: 6:19–6:30 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Fair

Mostly clear 8–10 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:32 AM · rises 4:59 PM
Full moon: Oct 25
New moon: Nov 9

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

Mendota, 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 at Starved Rock Lock (tailwater)

Illinois River at Marseilles Lock (tailwater)

Illinois River at Ottawa

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