Prophetstown State Park, IL 14 Day Weather

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Prophetstown State Park IL Weather - Clear - 54°F
Clear
54°F
Updated 12:52 am
Feels Like 54°F
Humidity 92%
Wind N 0 mph
Barometer  30.11 in
Dew Point 52°F
Prophetstown State Park IL Weather - Clear - 12°C
Clear
12°C
Updated 12:52 am
Feels Like 12°C
Humidity 92%
Wind N 0 km/h
Barometer  102 kPa
Dew Point 11°C
Prophetstown State Park, IL Weather and Current Conditionsprophetstown state park il weather forecast

Prophetstown State Park, IL Weather Forecast

Prophetstown State Park Illinois WeatherProphetstown State Park, Illinois Weather Weather Forecast
14 day API Prophetstown State Park weather forecast. Note. Our 7-day Prophetstown State Park weather forecast is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Prophetstown State Park, IL Weather Forecast Dated: 1252 AM Mon Sep 28 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Monday, September 28, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-09-28 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Prophetstown State Park Weather - 2026-09-28 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Prophetstown State Park Weather - 2026-09-28 - Evening - Sunny
67°F 19°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-09-29 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Prophetstown State Park Weather - 2026-09-29 - Afternoon - Cloudy
71°F 22°C
Cloudy
Early-Evening
Prophetstown State Park Weather - 2026-09-29 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds out of the S at 9 mph 15 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, September 30, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-09-30 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Prophetstown State Park Weather - 2026-09-30 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Prophetstown State Park Weather - 2026-09-30 - Evening - Cloudy
79°F 26°C
Cloudy
Quite warm around 81°F 27°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 12 mph 19 km/h. Gusts up to 30 mph 48 km/h.

Thursday, October 1, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-01 - Morning - Light Showers
67°F 19°C
Light Showers
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-01 - Afternoon - Scattered Showers
61°F 16°C
Scattered Showers
Early-Evening
Prophetstown State Park Weather - 2026-10-01 - Evening - Overcast
59°F 15°C
Overcast
Cool with a high near 61°F 16°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds moving from the SSW to the N at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.

Friday, October 2, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-02 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-02 - Afternoon - Sunny
62°F 16°C
Sunny
Early-Evening
Prophetstown State Park Weather - 2026-10-02 - Evening - Overcast
56°F 13°C
Overcast
Refreshing around 62°F 16°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the NNE at 11 mph 18 km/h.

Saturday, October 3, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-03 - Morning - Sunny
51°F 10°C
Sunny
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-03 - Afternoon - Partly Cloudy
61°F 16°C
Partly Cloudy
Early-Evening
Prophetstown State Park Weather - 2026-10-03 - Evening - Sunny
62°F 17°C
Sunny
Mildly cool near 61°F 16°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with increasing humidity and barometric pressure falling. Winds blowing from the ESE at 10 mph 16 km/h.

Sunday, October 4, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-04 - Morning - Light Fog
61°F 16°C
Light Fog
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-04 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Prophetstown State Park Weather - 2026-10-04 - Evening - Scattered Showers
58°F 14°C
Scattered Showers
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds increasing from the ENE at 2 mph 3 km/h to NNW at 18 mph 30 km/h. Gusts up to 28 mph 46 km/h.

Monday, October 5, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-05 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-05 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Prophetstown State Park Weather - 2026-10-05 - Evening - Sunny
49°F 9°C
Sunny
Crisp with a high near 52°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WNW to the NW at 6 mph 10 km/h.

Tuesday, October 6, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-06 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-06 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Prophetstown State Park Weather - 2026-10-06 - Evening - Sunny
53°F 12°C
Sunny
Brisk around 57°F 14°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSW at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.

Wednesday, October 7, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-07 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-07 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Prophetstown State Park Weather - 2026-10-07 - Evening - Overcast
60°F 16°C
Overcast
Mildly cool near 63°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the W at 7 mph 11 km/h.

Thursday, October 8, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-08 - Morning - Scattered Showers
50°F 10°C
Scattered Showers
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-08 - Afternoon - Scattered Showers
51°F 11°C
Scattered Showers
Early-Evening
Prophetstown State Park Weather - 2026-10-08 - Evening - Scattered Showers
46°F 8°C
Scattered Showers
Chilly near 51°F 11°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the NW to the NNW at 14 mph 22 km/h. Gusts up to 20 mph 32 km/h.

Friday, October 9, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-09 - Morning - Overcast
40°F 4°C
Overcast
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-09 - Afternoon - Cloudy
47°F 8°C
Cloudy
Early-Evening
Prophetstown State Park Weather - 2026-10-09 - Evening - Sunny
44°F 7°C
Sunny
Crisp with a high near 47°F 8°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds turning from the NNW to the W at 9 mph 14 km/h.

Saturday, October 10, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-10 - Morning - Cloudy
45°F 7°C
Cloudy
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-10 - Afternoon - Overcast
56°F 13°C
Overcast
Early-Evening
Prophetstown State Park Weather - 2026-10-10 - Evening - Overcast
49°F 10°C
Overcast
Brisk around 56°F 13°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure rising. Winds switching from the WSW to the NNW at 12 mph 18 km/h. Gusts up to 24 mph 38 km/h.

Sunday, October 11, 2026

Mid-Morning
Prophetstown State Park Weather - 2026-10-11 - Morning - Overcast
38°F 3°C
Overcast
Mid-Afternoon
Prophetstown State Park Weather - 2026-10-11 - Afternoon - Sunny
46°F 8°C
Sunny
Early-Evening
Prophetstown State Park Weather - 2026-10-11 - Evening - Partly Cloudy
48°F 9°C
Partly Cloudy
Cool and brisk at 46°F 8°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds moving from the NNW to the SW at 7 mph 12 km/h.

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Weather by the Numbers

Mon, 28th
Prophetstown State Park IL Weather - Monday, Sep 28, 2026 - Sunny
Hi: 72°F 22°C
Lo: 54°F 12°C
Sunrise 06:53 AM
Sunset 06:46 PM
Wind E 4 mph7 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 54%
Tue, 29th
Prophetstown State Park IL Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 73°F 23°C
Lo: 55°F 13°C
Sunrise 06:54 AM
Sunset 06:44 PM
Wind S 12 mph19 km/h
Dew Point 53°F11°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 54%
Wed, 30th
Prophetstown State Park IL Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 81°F 27°C
Lo: 64°F 18°C
Sunrise 06:56 AM
Sunset 06:43 PM
Wind S 9 mph15 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 13% *
Humidity 55%
Thu, 1st
Prophetstown State Park IL Weather - Thursday, Oct 1, 2026 - Light Rain Shower
Hi: 79°F 26°C
Lo: 57°F 14°C
Sunrise 06:57 AM
Sunset 06:41 PM
Wind WNW 10 mph16 km/h
Dew Point 66°F19°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 58% *
Humidity 93%
Fri, 2nd
Prophetstown State Park IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 62°F 16°C
Lo: 51°F 10°C
Sunrise 06:58 AM
Sunset 06:39 PM
Wind NNE 11 mph18 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 41%
Sat, 3rd
Prophetstown State Park IL Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 63°F 17°C
Lo: 45°F 7°C
Sunrise 06:59 AM
Sunset 06:38 PM
Wind ESE 9 mph15 km/h
Dew Point 40°F5°C
uv Index 3
Barometric Pressure 30.36 in1028 mb
POP 7% *
Humidity 52%
Sun, 4th
Prophetstown State Park IL Weather - Sunday, Oct 4, 2026 - Mist
Hi: 67°F 19°C
Lo: 51°F 11°C
Sunrise 07:00 AM
Sunset 06:36 PM
Wind SW 2 mph4 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 33% *
Humidity 93%
Mon, 5th
Prophetstown State Park IL Weather - Monday, Oct 5, 2026 - Sunny
Hi: 53°F 12°C
Lo: 44°F 7°C
Sunrise 07:01 AM
Sunset 06:34 PM
Wind NNW 14 mph22 km/h
Dew Point 33°F0°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 3% *
Humidity 54%
Tue, 6th
Prophetstown State Park IL Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 58°F 15°C
Lo: 42°F 5°C
Sunrise 07:02 AM
Sunset 06:33 PM
Wind S 10 mph17 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 52%
Wed, 7th
Prophetstown State Park IL Weather - Wednesday, Oct 7, 2026 - Overcast
Hi: 64°F 18°C
Lo: 46°F 8°C
Sunrise 07:03 AM
Sunset 06:31 PM
Wind SW 12 mph20 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 12% *
Humidity 54%
Thu, 8th
Prophetstown State Park IL Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 57°F 14°C
Lo: 43°F 6°C
Sunrise 07:04 AM
Sunset 06:29 PM
Wind NW 15 mph24 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 59%
Fri, 9th
Prophetstown State Park IL Weather - Friday, Oct 9, 2026 - Sunny
Hi: 48°F 9°C
Lo: 37°F 3°C
Sunrise 07:05 AM
Sunset 06:28 PM
Wind NNW 14 mph23 km/h
Dew Point 29°F-2°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 7% *
Humidity 57%
Sat, 10th
Prophetstown State Park IL Weather - Saturday, Oct 10, 2026 - Cloudy
Hi: 56°F 13°C
Lo: 40°F 4°C
Sunrise 07:06 AM
Sunset 06:26 PM
Wind WNW 17 mph27 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 11% *
Humidity 55%
Sun, 11th
Prophetstown State Park IL Weather - Sunday, Oct 11, 2026 - Overcast
Hi: 55°F 13°C
Lo: 36°F 2°C
Sunrise 07:08 AM
Sunset 06:24 PM
Wind NW 12 mph19 km/h
Dew Point 26°F-3°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 5% *
Humidity 52%
* POP = Probability of Precipitation. Data for 12:00 PM.