Grinnell, Kansas 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 104°F 40°C Heat Index: 103°F	Observed at: Grinnell, KS	Elevation: 3160 ft | 963 m
	Last Updated: July 27, 7:00 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 104°F | 40°C
	Pressure: 26.95 in | 912.7 mb	Dewpoint: 57°F | 14°C
	Humidity: 21%	Wind: NE 10 mph | NE 16 kph
	Feels Like: 103°F | 39°C	Visibility: 162.5 mi | 261.5 km
	Lat/Long: 39.03 | -100.68	Sunrise: 6:39 AM   Sunset: 8:59 PM

7 Day Graphical Forecast

Valid: 1:14 PM 7/28/2026

Today Rain 107 |73 °F 41 |23 °C 30% Chance Precipitation Tuesday Heavy Rain 96 |71 °F 36 |22 °C 29% Chance Precipitation Wednesday Rain 101 |71 °F 39 |22 °C 38% Chance Precipitation Thursday Light Showers 103 |76 °F 39 |24 °C 38% Chance Precipitation Friday Drizzle 97 |72 °F 36 |22 °C 23% Chance Precipitation Saturday Clear 93 |66 °F 34 |19 °C 3% Chance Precipitation Sunday Overcast 97 |68 °F 36 |20 °C 2% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:14 PM 7/28/2026

1 PM Overcast 91 °F 5% Chance Precipitation

2 PM Overcast 93 °F 3% Chance Precipitation

3 PM Overcast 95 °F 2% Chance Precipitation

4 PM Overcast 96 °F 3% Chance Precipitation

5 PM Clear 96 °F 2% Chance Precipitation

6 PM Clear 96 °F 2% Chance Precipitation

7 PM Clear 95 °F 5% Chance Precipitation

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

7 Day & Night Weather Forecast for Grinnell, KS - (Fahrenheit & Celsius) Valid: 1:14 PM 7/28/2026 Today Rain with a high near 107°F [41°C]. ESE wind to around 33 mph [53 kph], with gusts to near 43 mph [68 kph]. Dewpoint near 57°F [14°C] with humidity of 79%. Pressure around 26.95 in [912.7 mb]. UV Index: 7.95. Chance of precipitation 30% with QPF of 0.27 in [6.9 mm]. Tonight Rain with a low around 73°F [23°C]. ESE wind to around 33 mph [53 kph], with gusts to near 43 mph [68 kph]. Chance of precipitation 30% with QPF of 0.27 in [6.9 mm]. Tuesday Heavy Rain with a high near 96°F [36°C]. ENE wind to around 24 mph [39 kph], with gusts to near 42 mph [67 kph]. Dewpoint near 57°F [14°C] with humidity of 92%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.25. Chance of precipitation 29% with QPF of 0.67 in [17.0 mm]. Tuesday Night Heavy Rain with a low around 71°F [22°C]. ENE wind to around 24 mph [39 kph], with gusts to near 42 mph [67 kph]. Chance of precipitation 29% with QPF of 0.67 in [17.0 mm]. Wednesday Rain with a high near 101°F [39°C]. SSW wind to around 22 mph [35 kph], with gusts to near 37 mph [59 kph]. Dewpoint near 57°F [14°C] with humidity of 88%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.2. Chance of precipitation 38% with QPF of 0.30 in [7.5 mm]. Wednesday Night Rain with a low around 71°F [22°C]. SSW wind to around 22 mph [35 kph], with gusts to near 37 mph [59 kph]. Chance of precipitation 38% with QPF of 0.30 in [7.5 mm]. Thursday Light Showers with a high near 103°F [39°C]. WNW wind to around 21 mph [33 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 57°F [14°C] with humidity of 73%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.25. Chance of precipitation 38% with QPF of 0.12 in [3.1 mm]. Thursday Night Light Showers with a low around 76°F [24°C]. WNW wind to around 21 mph [33 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 38% with QPF of 0.12 in [3.1 mm]. Friday Drizzle with a high near 97°F [36°C]. NNE wind to around 19 mph [31 kph], with gusts to near 34 mph [54 kph]. Dewpoint near 57°F [14°C] with humidity of 84%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.25. Chance of precipitation 23% with QPF of 0.03 in [0.7 mm]. Friday Night Drizzle with a low around 72°F [22°C]. NNE wind to around 19 mph [31 kph], with gusts to near 34 mph [54 kph]. Chance of precipitation 23% with QPF of 0.03 in [0.7 mm]. Saturday Clear with a high near 93°F [34°C]. E wind to around 11 mph [18 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 57°F [14°C] with humidity of 80%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.25. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 66°F [19°C]. E wind to around 11 mph [18 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 97°F [36°C]. SSE wind to around 16 mph [26 kph], with gusts to near 37 mph [60 kph]. Dewpoint near 57°F [14°C] with humidity of 63%. Pressure around 26.95 in [912.7 mb]. UV Index: 8.05. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 68°F [20°C]. SSE wind to around 16 mph [26 kph], with gusts to near 37 mph [60 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Grinnell, KS

Today: 6.9 mm | 0.27 in

Tonight: 6.9 mm | 0.27 in

Tuesday: 17.0 mm | 0.67 in

Tuesday Night: 17.0 mm | 0.67 in

Wednesday: 7.5 mm | 0.30 in

Wednesday Night: 7.5 mm | 0.30 in

Thursday: 3.1 mm | 0.12 in

Thursday Night: 3.1 mm | 0.12 in

Friday: 0.7 mm | 0.03 in

Friday Night: 0.7 mm | 0.03 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Grinnell, KS

Today: ESE @ 53 kph | 33 mph

Tonight: ESE @ 53 kph | 33 mph

Tuesday: ENE @ 39 kph | 24 mph

Tuesday Night: ENE @ 39 kph | 24 mph

Wednesday: SSW @ 35 kph | 22 mph

Wednesday Night: SSW @ 35 kph | 22 mph

Thursday: WNW @ 33 kph | 21 mph

Thursday Night: WNW @ 33 kph | 21 mph

Friday: NNE @ 31 kph | 19 mph

Friday Night: NNE @ 31 kph | 19 mph

Saturday: E @ 18 kph | 11 mph

Saturday Night: E @ 18 kph | 11 mph

Sunday: SSE @ 26 kph | 16 mph

Sunday Night: SSE @ 26 kph | 16 mph

7 Day and Night - Maximum Humidity Forecast for Grinnell, KS

Today: 79 %

Tonight: 79 %

Tuesday: 92 %

Tuesday Night: 92 %

Wednesday: 88 %

Wednesday Night: 88 %

Thursday: 73 %

Thursday Night: 73 %

Friday: 84 %

Friday Night: 84 %

Saturday: 80 %

Saturday Night: 80 %

Sunday: 63 %

Sunday Night: 63 %

7 Day and Night - Snowfall Totals Forecast for Grinnell, KS

Today: 0.0 cm | 0.00 in

Tonight: 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

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

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