Dahlgren, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Light Drizzle 79°F 26°C Heat Index: 79°F	Observed at: Dahlgren, IL	Elevation: 506 ft | 154 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Light Drizzle	Temperature: 79°F | 26°C
	Pressure: 29.49 in | 998.8 mb	Dewpoint: 76°F | 24°C
	Humidity: 90%	Wind: SW 4 mph | SW 6 kph
	Feels Like: 88°F | 31°C	Visibility: 34.9 mi | 56.1 km
	Lat/Long: 38.1981 | -88.6844	Sunrise: 5:44 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 10:24 PM 7/16/2026

Tonight Showers 71 °F 25% Chance Precipitation Friday Overcast 90 |74 °F 17% Chance Precipitation Saturday Overcast 92 |74 °F 28% Chance Precipitation Sunday Thunderstorm 90 |72 °F 28% Chance Precipitation Monday Heavy Drizzle 91 |69 °F 5% Chance Precipitation Tuesday Overcast 96 |70 °F 6% Chance Precipitation Wednesday Partly Cloudy 74 |60 °F 5% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:24 PM 7/16/2026

10 PM Showers 79 °F 22% Chance Precipitation

11 PM Overcast 79 °F 12% Chance Precipitation

12 AM Mostly Clear 77 °F 7% Chance Precipitation

1 AM Clear 77 °F 6% Chance Precipitation

2 AM Clear 76 °F 3% Chance Precipitation

3 AM Clear 76 °F 2% Chance Precipitation

4 AM Clear 75 °F 3% Chance Precipitation

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

7 Day & Night Weather Forecast for Dahlgren, IL - (Fahrenheit & Celsius) Valid: 10:24 PM 7/16/2026 Tonight Showers with a low around 71°F [22°C]. SW wind to around 8 mph [13 kph], with gusts to near 10 mph [16 kph]. Chance of precipitation 25% with QPF of 0.16 in [4.0 mm]. Friday Overcast with a high near 90°F [32°C]. WSW wind to around 13 mph [21 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 76°F [24°C] with humidity of 95%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.75. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. WSW wind to around 13 mph [21 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 92°F [33°C]. W wind to around 14 mph [23 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 76°F [24°C] with humidity of 86%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.8. Chance of precipitation 28% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 74°F [24°C]. W wind to around 14 mph [23 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 28% with QPF of 0.00 in [0.0 mm]. Sunday Thunderstorm with a high near 90°F [32°C]. NNE wind to around 9 mph [14 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 76°F [24°C] with humidity of 96%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.75. Chance of precipitation 28% with QPF of 0.12 in [3.0 mm]. Sunday Night Thunderstorm with a low around 72°F [22°C]. NNE wind to around 9 mph [14 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 28% with QPF of 0.12 in [3.0 mm]. Monday Heavy Drizzle with a high near 91°F [33°C]. S wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 76°F [24°C] with humidity of 90%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.1. Chance of precipitation 5% with QPF of 0.06 in [1.4 mm]. Monday Night Heavy Drizzle with a low around 69°F [21°C]. S wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 5% with QPF of 0.06 in [1.4 mm]. Tuesday Overcast with a high near 96°F [36°C]. W wind to around 15 mph [24 kph], with gusts to near 30 mph [47 kph]. Dewpoint near 76°F [24°C] with humidity of 84%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.15. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 70°F [21°C]. W wind to around 15 mph [24 kph], with gusts to near 30 mph [47 kph]. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Wednesday Partly Cloudy with a high near 74°F [23°C]. NNE wind to around 13 mph [20 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 76°F [24°C] with humidity of 89%. Pressure around 29.49 in [998.8 mb]. UV Index: 7.25. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Night Partly Cloudy with a low around 60°F [16°C]. NNE wind to around 13 mph [20 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Dahlgren, IL

Tonight: 4.0 mm | 0.16 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 3.0 mm | 0.12 in

Sunday Night: 3.0 mm | 0.12 in

Monday: 1.4 mm | 0.06 in

Monday Night: 1.4 mm | 0.06 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Tonight: SW @ 13 kph | 8 mph

Friday: WSW @ 21 kph | 13 mph

Friday Night: WSW @ 21 kph | 13 mph

Saturday: W @ 23 kph | 14 mph

Saturday Night: W @ 23 kph | 14 mph

Sunday: NNE @ 14 kph | 9 mph

Sunday Night: NNE @ 14 kph | 9 mph

Monday: S @ 13 kph | 8 mph

Monday Night: S @ 13 kph | 8 mph

Tuesday: W @ 24 kph | 15 mph

Tuesday Night: W @ 24 kph | 15 mph

Wednesday: NNE @ 20 kph | 13 mph

Wednesday Night: NNE @ 20 kph | 13 mph

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

Tonight: 100 %

Friday: 95 %

Friday Night: 95 %

Saturday: 86 %

Saturday Night: 86 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 90 %

Monday Night: 90 %

Tuesday: 84 %

Tuesday Night: 84 %

Wednesday: 89 %

Wednesday Night: 89 %

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

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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