LEWISTOWN, IL 61542 Weather Forecast & Current Conditions

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61542 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PEORIA, IL Current Weather
3:54 PM CDT APR 1, 2026
Overcast 45°F
Feels Like:	38°F
Dewpoint:	39°F
Rel. Hum.:	79%
Visibility:	10 miles
Wind:	ENE at 16 mph, gusts to 25
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

61542 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	LEWISTOWN, IL 61542 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Showers with a chance of thunderstorms. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

THURSDAY
A chance of thunderstorms. Showers, breezy and not as cool. More humid with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Breezy with lows in the lower 50s. Southwest winds 15 to 25 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 50 percent.

FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Chance of rain 50 percent.

FRIDAY NIGHT
A chance of thunderstorms in the evening. Showers. Lows around 50. South winds 10 to 15 mph, becoming southwest after midnight. Chance of rain 90 percent.

SATURDAY
Mostly cloudy. A chance of showers in the morning. Much cooler with highs in the mid 50s. Chance of rain 50 percent.

SATURDAY NIGHT
Mostly cloudy in the evening, then clearing. Much cooler with lows in the mid 30s.

SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the mid 50s. Lows in the mid 30s.

MONDAY
Sunny. Highs in the upper 50s.

MONDAY NIGHT
Mostly cloudy. Lows in the mid 30s.

TUESDAY
Mostly sunny. Highs in the mid 50s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.

WEDNESDAY
Mostly sunny. Not as cool with highs in the mid 60s.

61542 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LEWISTOWN, IL 61542

Infrared Weather Satellite
LEWISTOWN, IL 61542

61542 WEATHER RADAR LOOP

NEXRAD Weather Radar
LEWISTOWN, IL 61542

MOS COMPUTER WEATHER FORECAST

PEORIA, IL 3 hourly weather forecast

weather forecast created 5:00 AM MST 4/ 1/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
1 APR 2026

12 PM

44°

37°

Mostly Cloudy

49%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

ENE 14

86%

40°

High 48°

3 PM

46°

40°

Mostly Cloudy

ENE 14

83%

41°

Mostly Cloudy

Rain Likely

6 PM

47°

41°

Mostly Cloudy

90%
RAIN
***

0% Thunder
( 31% severe)

ENE 13

80%

41°

9 PM

47°

41°

Mostly Cloudy

E 13

83%

42°

Thursday
2 APR 2026

12 AM

48°

43°

Mostly Cloudy

81%
RAIN
***

0% Thunder
( 30% severe)

E 10

86%

44°

Low 46°

3 AM

51°

47°

Mostly Cloudy

ESE 10

89%

48°

High 74°

6 AM

56°

53°

Mostly Cloudy

70%
RAIN
***

0% Thunder
( 18% severe)

SSE 12

90%

53°

Mostly Cloudy

Rain Likely

Breezy

9 AM

64°

62°

Mostly Cloudy

S 16

87%

60°

12 PM

69°

69°

Mostly Cloudy

90%
RAIN
***

0% Thunder
( 32% severe)

S 20

76%

61°

3 PM

70°

70°

Mostly Cloudy

S 21

71%

60°

6 PM

69°

69°

Partly Cloudy

72%
RAIN
***

0% Thunder
( 29% severe)

S 17

70%

59°

9 PM

65°

65°

Mostly Cloudy

SSW 15

78%

58°

Friday
3 APR 2026

12 AM

60°

58°

Partly Cloudy

13%
RAIN
***

0% Thunder
( 8% severe)

WSW 10

84%

55°

Low 51°

3 AM

55°

53°

Partly Cloudy

W 7

83%

50°

High 77°

6 AM

51°

50°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 7% severe)

ENE 3

89%

48°

Mostly Cloudy

Chance of Rain

9 AM

59°

58°

Mostly Cloudy

SE 7

78%

52°

12 PM

68°

68°

Mostly Cloudy

47%
RAIN
.5–1 in

0% Thunder
( 26% severe)

SSE 10

73%

59°

3 PM

74°

74°

Mostly Cloudy

S 12

62%

60°

6 PM

72°

72°

Mostly Cloudy

SSE 10

66%

60°


PEORIA, IL extended weather forecast
Saturday 4 APR 2026	Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026
Low 52°	Low 34°	Low 35°	Low 34°	Low 31°
High 55°	High 52°	High 56°	High 49°	High 55°

Overcast 81% Rain	Mostly Cloudy 17% Rain	Mostly Cloudy 22% Rain	Mostly Cloudy 32% Rain	Partly Cloudy 20% Rain

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