Armstrong, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 60°F 16°C	Observed at: Armstrong, IL	Elevation: 780 ft | 238 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 60°F | 16°C
	Pressure: 29.18 in | 988 mb	Dewpoint: 58°F | 14°C
	Humidity: 91%	Wind: N 6 mph | N 10 kph
	Feels Like: 60°F | 16°C	Visibility: 26.3 mi | 42.3 km
	Lat/Long: 40.3064 | -87.8778	Sunrise: 5:46 AM   Sunset: 8:09 PM

7 Day Graphical Forecast

Valid: 5:22 AM 7/29/2026

Tonight Clear 60 °F 0% Chance Precipitation Thursday Overcast 87 |59 °F 0% Chance Precipitation Friday Drizzle 74 |63 °F 66% Chance Precipitation Saturday Drizzle 74 |62 °F 67% Chance Precipitation Sunday Light Drizzle 79 |60 °F 39% Chance Precipitation Monday Clear 81 |60 °F 23% Chance Precipitation Tuesday Clear 81 |57 °F 21% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:22 AM 7/29/2026

5 AM Clear 60 °F 0% Chance Precipitation

6 AM Clear 60 °F 0% Chance Precipitation

7 AM Clear 62 °F 0% Chance Precipitation

8 AM Clear 67 °F 0% Chance Precipitation

9 AM Clear 71 °F 0% Chance Precipitation

10 AM Clear 75 °F 0% Chance Precipitation

11 AM Clear 78 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Armstrong, IL - (Fahrenheit & Celsius) Valid: 5:22 AM 7/29/2026 Tonight Clear with a low around 60°F [15°C]. NNE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 87°F [31°C]. ENE wind to around 5 mph [8 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 58°F [14°C] with humidity of 86%. Pressure around 29.18 in [988 mb]. UV Index: 6.9. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. ENE 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 Drizzle with a high near 74°F [23°C]. SE wind to around 10 mph [16 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 58°F [14°C] with humidity of 96%. Pressure around 29.18 in [988 mb]. UV Index: 3.9. Chance of precipitation 66% with QPF of 0.05 in [1.3 mm]. Friday Night Drizzle with a low around 63°F [17°C]. SE wind to around 10 mph [16 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 66% with QPF of 0.05 in [1.3 mm]. Saturday Drizzle with a high near 74°F [23°C]. NE wind to around 16 mph [25 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 58°F [14°C] with humidity of 98%. Pressure around 29.18 in [988 mb]. UV Index: 5.4. Chance of precipitation 67% with QPF of 0.09 in [2.4 mm]. Saturday Night Drizzle with a low around 62°F [17°C]. NE wind to around 16 mph [25 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 67% with QPF of 0.09 in [2.4 mm]. Sunday Light Drizzle with a high near 79°F [26°C]. NNE wind to around 12 mph [19 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 58°F [14°C] with humidity of 98%. Pressure around 29.18 in [988 mb]. UV Index: 7.2. Chance of precipitation 39% with QPF of 0.02 in [0.4 mm]. Sunday Night Light Drizzle with a low around 60°F [15°C]. NNE wind to around 12 mph [19 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 39% with QPF of 0.02 in [0.4 mm]. Monday Clear with a high near 81°F [27°C]. ENE wind to around 8 mph [12 kph], with gusts to near 12 mph [20 kph]. Dewpoint near 58°F [14°C] with humidity of 96%. Pressure around 29.18 in [988 mb]. UV Index: 7.25. Chance of precipitation 23% 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 12 mph [20 kph]. Chance of precipitation 23% 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 [12 kph], with gusts to near 10 mph [17 kph]. Dewpoint near 58°F [14°C] with humidity of 90%. Pressure around 29.18 in [988 mb]. UV Index: 7.3. Chance of precipitation 21% 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 [12 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for Armstrong, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 1.3 mm | 0.05 in

Friday Night: 1.3 mm | 0.05 in

Saturday: 2.4 mm | 0.09 in

Saturday Night: 2.4 mm | 0.09 in

Sunday: 0.4 mm | 0.02 in

Sunday Night: 0.4 mm | 0.02 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 Armstrong, IL

Tonight: NNE @ 16 kph | 10 mph

Thursday: ENE @ 8 kph | 5 mph

Thursday Night: ENE @ 8 kph | 5 mph

Friday: SE @ 16 kph | 10 mph

Friday Night: SE @ 16 kph | 10 mph

Saturday: NE @ 25 kph | 16 mph

Saturday Night: NE @ 25 kph | 16 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 @ 12 kph | 7 mph

Tuesday Night: SE @ 12 kph | 7 mph

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

Tonight: 92 %

Thursday: 86 %

Thursday Night: 86 %

Friday: 96 %

Friday Night: 96 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 98 %

Sunday Night: 98 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 90 %

Tuesday Night: 90 %

7 Day and Night - Snowfall Totals Forecast for Armstrong, 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