Casey Weather Forecast 15 Days, Weather in Casey Today

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4. Weather in Casey for 15 days

Current weather conditions and 15 day weather forecast for Casey, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Casey

24 December 2025 Wednesday 12.1 ° C / 53.8°F Overcast

Feels Like : 10.4 ° C / 50.7°F Humidity : % 80 Pressure : 1020 mb Wind Speed : 16.2 kmph / 10.1 miles from SSE Visibility : 16 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 100

15 day weather forecast for Casey, IL, USA

Weather Forecast for next 15 Days for Casey including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Casey, Illinois state, US. To see the daily forecast, scroll to the table below.

Date	Weather forecast	Low temperature	High temperature	Avg. temperature	Humidity	Chance of rain	UV Index	Sun Position	Moon Position
24 December 2025 Wednesday	Patchy rain nearby	2.1 ° C (35.8°F)	12 ° C (53.6°F)	6.4 ° C (43.6°F)	% 90	76%	0.2	Sunrise:07:10 AM Sunset: 04:34 PM	Moonrise:10:19 AM Moonset: 09:10 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Patchy rain nearby	5.5 ° C (41.9°F)	6.8 ° C (44.2°F)	6.4 ° C (43.5°F)	% 97	77%	0.4	Sunrise:07:10 AM Sunset: 04:34 PM	Moonrise:10:44 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Patchy rain nearby	6.8 ° C (44.2°F)	9.5 ° C (49.1°F)	8.9 ° C (47.9°F)	% 96	83%	0.2	Sunrise:07:11 AM Sunset: 04:35 PM	Moonrise:11:07 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Patchy rain nearby	8.1 ° C (46.6°F)	20.1 ° C (68.1°F)	13.1 ° C (55.6°F)	% 88	75%	0.4	Sunrise:07:11 AM Sunset: 04:36 PM	Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter )
28 December 2025 Sunday	Partly Cloudy	-4 ° C (24.7°F)	12 ° C (53.7°F)	8 ° C (46.3°F)	% 66	0%	0	Sunrise:07:11 AM Sunset: 04:36 PM	Moonrise:11:55 AM Moonset: 12:31 AM Moon Phase ( Waxing Gibbous )
29 December 2025 Monday	Sunny	-8 ° C (17.6°F)	-3.9 ° C (25°F)	-6.3 ° C (20.6°F)	% 34	0%	2	Sunrise:07:11 AM Sunset: 04:37 PM	Moonrise:12:23 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous )
30 December 2025 Tuesday	Partly Cloudy	-9.4 ° C (15.1°F)	-1.3 ° C (29.7°F)	-5.9 ° C (21.4°F)	% 32	0%	2	Sunrise:07:12 AM Sunset: 04:38 PM	Moonrise:12:58 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous )
31 December 2025 Wednesday	Sunny	-4.4 ° C (24°F)	7.4 ° C (45.3°F)	0.9 ° C (33.6°F)	% 55	0%	2	Sunrise:07:12 AM Sunset: 04:39 PM	Moonrise:01:41 PM Moonset: 04:17 AM Moon Phase ( Waxing Gibbous )
01 January 2026 Thursday	Sunny	-5.6 ° C (22°F)	3.2 ° C (37.8°F)	0.1 ° C (32.2°F)	% 57	0%	2	Sunrise:07:12 AM Sunset: 04:39 PM	Moonrise:02:36 PM Moonset: 05:35 AM Moon Phase ( Waxing Gibbous )
02 January 2026 Friday	Sunny	-8.4 ° C (16.9°F)	-2.6 ° C (27.3°F)	-5.9 ° C (21.4°F)	% 41	0%	2	Sunrise:07:12 AM Sunset: 04:40 PM	Moonrise:03:44 PM Moonset: 06:45 AM Moon Phase ( Waxing Gibbous )
03 January 2026 Saturday	Sunny	-6.4 ° C (20.5°F)	0.9 ° C (33.6°F)	-3.3 ° C (26.1°F)	% 52	0%	2	Sunrise:07:12 AM Sunset: 04:41 PM	Moonrise:04:59 PM Moonset: 07:44 AM Moon Phase ( Full Moon )
04 January 2026 Sunday	Light sleet	-2.7 ° C (27.2°F)	0.1 ° C (32.1°F)	-1 ° C (30.2°F)	% 56	88%	1	Sunrise:07:12 AM Sunset: 04:42 PM	Moonrise:06:17 PM Moonset: 08:30 AM Moon Phase ( Waning Gibbous )
05 January 2026 Monday	Partly Cloudy	-0.2 ° C (31.7°F)	3.1 ° C (37.7°F)	1.2 ° C (34.2°F)	% 61	0%	2	Sunrise:07:12 AM Sunset: 04:43 PM	Moonrise:07:32 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous )
06 January 2026 Tuesday	Partly Cloudy	-1.3 ° C (29.6°F)	5.3 ° C (41.6°F)	1.3 ° C (34.3°F)	% 72	0%	2	Sunrise:07:12 AM Sunset: 04:44 PM	Moonrise:08:43 PM Moonset: 09:36 AM Moon Phase ( Waning Gibbous )

Casey Weather forecasts are usually fully updated every 4 hours.

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