Jamesburg, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 59°F 15°C Wind Chill: 59°F	Observed at: Jamesburg, IL	Elevation: 774 ft | 236 m
	Last Updated: July 29, 5:30 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 59°F | 15°C
	Pressure: 29.19 in | 988.4 mb	Dewpoint: 57°F | 14°C
	Humidity: 92%	Wind: N 6 mph | N 10 kph
	Feels Like: 59°F | 15°C	Visibility: 25.5 mi | 41 km
	Lat/Long: 40.2622 | -87.7489	Sunrise: 5:46 AM   Sunset: 8:08 PM

7 Day Graphical Forecast

Valid: 5:30 AM 7/29/2026

Tonight Clear 59 °F 1% Chance Precipitation Thursday Overcast 86 |59 °F 0% Chance Precipitation Friday Light Drizzle 74 |63 °F 65% Chance Precipitation Saturday Showers 74 |63 °F 65% Chance Precipitation Sunday Mostly Clear 80 |60 °F 38% Chance Precipitation Monday Clear 81 |60 °F 25% Chance Precipitation Tuesday Clear 81 |57 °F 22% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:30 AM 7/29/2026

5 AM Clear 59 °F 0% Chance Precipitation

6 AM Clear 59 °F 0% Chance Precipitation

7 AM Clear 61 °F 0% Chance Precipitation

8 AM Clear 66 °F 0% Chance Precipitation

9 AM Clear 70 °F 0% Chance Precipitation

10 AM Clear 74 °F 0% Chance Precipitation

11 AM Clear 77 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Jamesburg, IL - (Fahrenheit & Celsius) Valid: 5:30 AM 7/29/2026 Tonight Clear with a low around 59°F [15°C]. N wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. NE wind to around 5 mph [8 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 57°F [14°C] with humidity of 88%. Pressure around 29.19 in [988.4 mb]. UV Index: 6.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. NE wind to around 5 mph [8 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Light Drizzle with a high near 74°F [23°C]. SE wind to around 10 mph [16 kph], with gusts to near 20 mph [33 kph]. Dewpoint near 57°F [14°C] with humidity of 95%. Pressure around 29.19 in [988.4 mb]. UV Index: 3.9. Chance of precipitation 65% with QPF of 0.04 in [1.1 mm]. Friday Night Light Drizzle with a low around 63°F [17°C]. SE wind to around 10 mph [16 kph], with gusts to near 20 mph [33 kph]. Chance of precipitation 65% with QPF of 0.04 in [1.1 mm]. Saturday Showers with a high near 74°F [23°C]. NE wind to around 15 mph [24 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 57°F [14°C] with humidity of 98%. Pressure around 29.19 in [988.4 mb]. UV Index: 5.2. Chance of precipitation 65% with QPF of 0.48 in [12.1 mm]. Saturday Night Showers with a low around 63°F [17°C]. NE wind to around 15 mph [24 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 65% with QPF of 0.48 in [12.1 mm]. Sunday Mostly Clear with a high near 80°F [27°C]. NNE wind to around 12 mph [19 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 57°F [14°C] with humidity of 97%. Pressure around 29.19 in [988.4 mb]. UV Index: 7.2. Chance of precipitation 38% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 60°F [15°C]. NNE wind to around 12 mph [19 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 38% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 81°F [27°C]. ENE wind to around 8 mph [12 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 57°F [14°C] with humidity of 97%. Pressure around 29.19 in [988.4 mb]. UV Index: 7.25. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 60°F [15°C]. ENE wind to around 8 mph [12 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 81°F [27°C]. SE wind to around 7 mph [11 kph], with gusts to near 8 mph [13 kph]. Dewpoint near 57°F [14°C] with humidity of 91%. Pressure around 29.19 in [988.4 mb]. UV Index: 7.3. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 57°F [14°C]. SE wind to around 7 mph [11 kph], with gusts to near 8 mph [13 kph]. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for Jamesburg, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 1.1 mm | 0.04 in

Friday Night: 1.1 mm | 0.04 in

Saturday: 12.1 mm | 0.48 in

Saturday Night: 12.1 mm | 0.48 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Jamesburg, IL

Tonight: N @ 16 kph | 10 mph

Thursday: NE @ 8 kph | 5 mph

Thursday Night: NE @ 8 kph | 5 mph

Friday: SE @ 16 kph | 10 mph

Friday Night: SE @ 16 kph | 10 mph

Saturday: NE @ 24 kph | 15 mph

Saturday Night: NE @ 24 kph | 15 mph

Sunday: NNE @ 19 kph | 12 mph

Sunday Night: NNE @ 19 kph | 12 mph

Monday: ENE @ 12 kph | 8 mph

Monday Night: ENE @ 12 kph | 8 mph

Tuesday: SE @ 11 kph | 7 mph

Tuesday Night: SE @ 11 kph | 7 mph

7 Day and Night - Maximum Humidity Forecast for Jamesburg, IL

Tonight: 93 %

Thursday: 88 %

Thursday Night: 88 %

Friday: 95 %

Friday Night: 95 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 91 %

Tuesday Night: 91 %

7 Day and Night - Snowfall Totals Forecast for Jamesburg, IL

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Contact Us | Mobile Private Policy | Terms & Conds | Consent Preferences | Cookie Policy Never base any life decisions on weather information from this site or anywhere over the Internet. Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus Copyright © 2026 El Dorado Weather, Inc. | Site Designed By:  Webmaster Danny