Observed 5:35 AM CDT at KALN

Fidelity, IL weather

Clear and 48°9°, 12°7° warmer than a typical Oct 23.

Forecasts agree

Now 48°9°

Clear

Wind: Calm; Up to 7 mph11 km/h through 6 PM
Dew point: 45°7°; Comfortable
UV index: 0Low; Moderate 11 AM–4 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (47°8° then, 47°8° now)

Good hours for

Low 46°8° today at 7 AM
Above 60°16° today by 10 AM
High 76°24° today at 4 PM
Drops 12°7° tonight 6–9 PM (71°22° → 59°15°)
Below 60°16° tonight after 8 PM

This morningUp to 67°19° by 11 AM · Clear
This afternoonUp to 76°24° by 4 PM · Clear
TonightDown to 48°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 75°24° by 4 PM · Partly cloudy
Tomorrow nightDown to 47°8° by 5 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 6a	Clear	47°8° (likely 47°8° to 51°11°)	46°8°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	93%	1%	0
Fri 7a	Sunny	46°8° (likely 46°8° to 51°11°)	45°7°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	96%	1%	0
Fri 8a	Sunny	50°10° (likely 49°9° to 53°12°)	48°9°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	86%	0%	0
Fri 9a	Sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	80%	1%	1
Fri 10a	Sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	5 mph8 km/h from SE, gusts 13 mph21 km/h	62%	0%	1
Fri 11a	Sunny	67°19° (likely 66°19° to 69°21°)	67°19°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	50%	0%	3
Fri 12p	Sunny	70°21° (likely 69°21° to 72°22°)	70°21°	0%	6 mph10 km/h from S, gusts 12 mph20 km/h	44%	0%	4
Fri 1p	Sunny	73°23° (likely 72°22° to 74°23°)	73°23°	0%	7 mph11 km/h from SE, gusts 12 mph20 km/h	38%	0%	4
Fri 2p	Sunny	74°23° (likely 73°23° to 74°23°)	74°23°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	37%	0%	4
Fri 3p	Sunny	75°24° (likely 74°23° to 75°24°)	75°24°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	36%	0%	3
Fri 4p	Sunny	76°24° (likely 73°23° to 76°24°)	76°24°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	33%	0%	2
Fri 5p	Sunny	74°23° (likely 71°22° to 74°23°)	74°23°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	35%	0%	1
Fri 6p	Clear	71°22° (likely 66°19° to 71°22°)	71°22°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	41%	0%	0
Fri 7p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	50%	0%	0
Fri 8p	Clear	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	64%	5%	0
Fri 9p	Clear	57°14° (likely 57°14° to 61°16°)	57°14°	0%	5 mph8 km/h from SE, gusts 13 mph21 km/h	69%	11%	0
Fri 10p	Clear	56°13° (likely 56°13° to 60°16°)	56°13°	0%	5 mph8 km/h from SE, gusts 14 mph23 km/h	69%	47%	0
Fri 11p	Clear	54°12° (likely 54°12° to 59°15°)	54°12°	0%	5 mph8 km/h from SE, gusts 14 mph22 km/h	74%	66%	0
Sat 12a	Clear	54°12° (likely 54°12° to 58°14°)	54°12°	0%	5 mph8 km/h from SE, gusts 13 mph22 km/h	71%	36%	0
Sat 1a	Cloudy	53°12° (likely 53°12° to 57°14°)	53°12°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	71%	75%	0
Sat 2a	Cloudy	51°11° (likely 51°11° to 56°13°)	51°11°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	77%	75%	0
Sat 3a	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from SE, gusts 11 mph18 km/h	80%	72%	0
Sat 4a	Mostly clear	49°9° (likely 49°9° to 54°12°)	48°9°	0%	3 mph5 km/h from SE, gusts 11 mph17 km/h	86%	59%	0
Sat 5a	Mostly clear	48°9° (likely 48°9° to 53°12°)	47°8°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	86%	65%	0
Sat 6a	Cloudy	48°9° (likely 48°9° to 52°11°)	47°8°	0%	3 mph5 km/h from SE, gusts 10 mph15 km/h	86%	84%	0
Sat 7a	Cloudy	47°8° (likely 47°8° to 51°11°)	46°8°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	89%	84%	0
Sat 8a	Cloudy	49°9° (likely 49°9° to 53°12°)	47°8°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	86%	89%	0
Sat 9a	Cloudy	54°12° (likely 54°12° to 57°14°)	54°12°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	80%	78%	1
Sat 10a	Partly sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	6 mph10 km/h from SE, gusts 11 mph18 km/h	60%	67%	2
Sat 11a	Cloudy	66°19° (likely 66°19° to 68°20°)	66°19°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	50%	76%	3
Sat 12p	Partly sunny	70°21° (likely 69°21° to 71°22°)	70°21°	0%	6 mph10 km/h from SE, gusts 11 mph18 km/h	42%	72%	4
Sat 1p	Cloudy	72°22° (likely 72°22° to 73°23°)	72°22°	0%	6 mph10 km/h from S, gusts 10 mph15 km/h	38%	65%	4
Sat 2p	Partly sunny	73°23° (likely 73°23° to 75°24°)	73°23°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	35%	47%	4
Sat 3p	Partly sunny	74°23° (likely 74°23° to 76°24°)	74°23°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	33%	49%	3
Sat 4p	Partly sunny	75°24° (likely 73°23° to 75°24°)	75°24°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	32%	50%	2
Sat 5p	Sunny	73°23° (likely 71°22° to 74°23°)	73°23°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	34%	42%	1
Sat 6p	Clear	70°21° (likely 66°19° to 70°21°)	70°21°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	39%	40%	0
Sat 7p	Partly cloudy	65°18° (likely 62°17° to 65°18°)	65°18°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	48%	33%	0
Sat 8p	Clear	59°15° (likely 59°15° to 62°17°)	59°15°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	60%	42%	0
Sat 9p	Mostly clear	56°13° (likely 56°13° to 60°16°)	56°13°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	66%	48%	0
Sat 10p	Mostly clear	56°13° (likely 55°13° to 59°15°)	56°13°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	66%	23%	0
Sat 11p	Mostly clear	55°13° (likely 54°12° to 58°14°)	55°13°	0%	3 mph5 km/h from SE, gusts 12 mph19 km/h	69%	31%	0
Sun 12a	Mostly clear	54°12° (likely 54°12° to 58°14°)	54°12°	0%	3 mph5 km/h from SE, gusts 12 mph19 km/h	69%	59%	0
Sun 1a	Partly cloudy	53°12° (likely 53°12° to 57°14°)	53°12°	0%	3 mph5 km/h from SE, gusts 11 mph18 km/h	71%	37%	0
Sun 2a	Partly cloudy	52°11° (likely 52°11° to 58°14°)	52°11°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	74%	40%	0
Sun 3a	Partly cloudy	50°10° (likely 50°10° to 57°14°)	50°10°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	80%	40%	0
Sun 4a	Partly cloudy	49°9° (likely 49°9° to 56°13°)	49°9°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	83%	41%	0
Sun 5a	Partly cloudy	47°8° (likely 47°8° to 56°13°)	47°8°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	86%	41%	0

Days ahead

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

Today, Oct 23. Sunny. High 76°24°, low 46°8°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Today: Sunny, with a high near 76. Southeast wind 3 to 7 mph.
Tonight: Mostly clear, with a low around 46. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–76°24°
Low, likely
46°8°–51°11°
Typical high / low
64°18° / 41°5°
Wind
9 mph15 km/h, gusts 21 mph33 km/h
UV peak
5
Tomorrow, Oct 24. Cloudy. High 75°24°, low 46°8°. Typical 64°18° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 47°8°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 75. Southeast wind around 6 mph.
Night: Partly cloudy, with a low around 46. Southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–76°24°
Low, likely
46°8°–51°11°
Typical high / low
64°18° / 40°4°
Wind
9 mph15 km/h, gusts 20 mph31 km/h
UV peak
4
Sunday, Oct 25. Partly sunny. High 77°25°, low 47°8°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77. South wind around 3 mph.
Night: Mostly cloudy, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
76°24°–78°26°
Low, likely
47°8°–54°12°
Typical high / low
63°17° / 40°4°
Wind
8 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 76°24°, low 48°9°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
48°9°–56°13°
Typical high / low
62°17° / 40°4°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 74°23°, low 48°9°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
48°9°–57°14°
Typical high / low
62°17° / 40°4°
Wind
9 mph14 km/h, gusts 22 mph36 km/h
UV peak
2
Wednesday, Oct 28. Cloudy. High 75°24°, low 49°9°. Typical 62°17° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
75°24°–76°24°
Low, likely
49°9°–57°14°
Typical high / low
62°17° / 39°4°
Wind
12 mph19 km/h, gusts 27 mph43 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 74°23°, low 46°8°. Typical 61°16° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–76°24°
Low, likely
46°8°–59°15°
Typical high / low
61°16° / 39°4°
Wind
14 mph23 km/h, gusts 30 mph49 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 65°18°, low 49°9°. Typical 60°16° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 51°10°
  Dry
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
57°14°–72°22°
Low, likely
41°5°–55°13°
Typical high / low
60°16° / 38°3°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
Saturday, Oct 31. Cloudy. High 65°18°, low 52°11°. Typical 60°16° / 38°3°. Rain 0.15 in3.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  30% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  30% 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–69°21°
Low, likely
47°8°–58°14°
Typical high / low
60°16° / 38°3°
Wind
12 mph20 km/h, gusts 24 mph38 km/h
UV peak
1
Sunday, Nov 1. Cloudy. High 68°20°, low 56°13°. Typical 60°16° / 38°3°. Rain 0.16 in4.1 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance
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
67°19°–71°22°
Low, likely
54°12°–58°14°
Typical high / low
60°16° / 38°3°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 46°.
Tomorrow
Dry, high 75°, low 46°.
Sunday
Dry, high 77°, low 47°.
Rest of week
Mostly dry, highs 65–76°.

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

Mississippi River at Grafton

19 mi

Below flood stage

Level: 15.9 ft
Flow: 189,000 cfs

Forecast peak 16.0 ft Fri 7 AM

Reading from Fri 5:30 AM · NWS gauge page

Mississippi River at Mel Price (Alton) Lock and Dam

20 mi

Below flood stage

Level: 8.0 ft
Flow: 128,000 cfs

Forecast peak 7.8 ft Fri 7 AM

Reading from Fri 5:30 AM · NWS gauge page

Illinois River at Hardin

24 mi

Below flood stage

Level: 20.1 ft
Flow: 19,300 cfs

Forecast peak 20.2 ft Fri 7 AM

Reading from Fri 5:30 AM · NWS gauge page

Mississippi River at Alton

19 mi

Below flood stage

Level: 18.8 ft

Reading from Fri 5:30 AM · NWS gauge page

For your home

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

Heating this week

About 85% less heating than a typical week.

This week 15Typical 97

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 3
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 10:00 AM–7:00 PM

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

Is this typical?

Jerseyville 2 SW · official normals 1991–2020 · records 1940–2026

Oct 23, today vs a typical year

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

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

−4°−2°SatOct 17
−3°−2°SunOct 18
−3°−2°MonOct 19
+1°±0°TueOct 20
+6°+3°WedOct 21
—ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 52 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 27 min less
Golden hour: 5:33–6:27 PM; Morning 7:01–7:55 AM
Blue hour: 6:27–6:37 PM; Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:26 AM · rises 4:41 PM
Full moon: Oct 25
New moon: Nov 9

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

Fidelity, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Mississippi River at Grafton

Mississippi River at Mel Price (Alton) Lock and Dam

Illinois River at Hardin

Mississippi River at Alton

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Unknown

Moon