Point Forecast: Grenville SD  45.46N 97.37W (Elev. 547 m)	Last Update: 3:47 am CDT Apr 13, 2026

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Grassland Fire Danger Index Quantitative Precipitation  3-hr6-hr12-hr24-hr   info     0.100.250.501.00 Snowfall  3-hr6-hr12-hr24-hr   info     0.1in1in3in6in12in

48-Hour Period Starting: 3am Mon, Apr 13 20264am Mon, Apr 13 20265am Mon, Apr 13 20266am Mon, Apr 13 20267am Mon, Apr 13 20268am Mon, Apr 13 20269am Mon, Apr 13 202610am Mon, Apr 13 202611am Mon, Apr 13 202612pm Mon, Apr 13 20261pm Mon, Apr 13 20262pm Mon, Apr 13 20263pm Mon, Apr 13 20264pm Mon, Apr 13 20265pm Mon, Apr 13 20266pm Mon, Apr 13 20267pm Mon, Apr 13 20268pm Mon, Apr 13 20269pm Mon, Apr 13 202610pm Mon, Apr 13 202611pm Mon, Apr 13 202612am Tue, Apr 14 20261am Tue, Apr 14 20262am Tue, Apr 14 20263am Tue, Apr 14 20264am Tue, Apr 14 20265am Tue, Apr 14 20266am Tue, Apr 14 20267am Tue, Apr 14 20268am Tue, Apr 14 20269am Tue, Apr 14 202610am Tue, Apr 14 202611am Tue, Apr 14 202612pm Tue, Apr 14 20261pm Tue, Apr 14 20262pm Tue, Apr 14 20263pm Tue, Apr 14 20264pm Tue, Apr 14 20265pm Tue, Apr 14 20266pm Tue, Apr 14 20267pm Tue, Apr 14 20268pm Tue, Apr 14 20269pm Tue, Apr 14 202610pm Tue, Apr 14 202611pm Tue, Apr 14 202612am Wed, Apr 15 20261am Wed, Apr 15 20262am Wed, Apr 15 20263am Wed, Apr 15 20264am Wed, Apr 15 20265am Wed, Apr 15 20266am Wed, Apr 15 20267am Wed, Apr 15 20268am Wed, Apr 15 20269am Wed, Apr 15 202610am Wed, Apr 15 202611am Wed, Apr 15 202612pm Wed, Apr 15 20261pm Wed, Apr 15 20262pm Wed, Apr 15 20263pm Wed, Apr 15 20264pm Wed, Apr 15 20265pm Wed, Apr 15 20266pm Wed, Apr 15 20267pm Wed, Apr 15 20268pm Wed, Apr 15 20269pm Wed, Apr 15 202610pm Wed, Apr 15 202611pm Wed, Apr 15 202612am Thu, Apr 16 20261am Thu, Apr 16 20262am Thu, Apr 16 20263am Thu, Apr 16 20264am Thu, Apr 16 20265am Thu, Apr 16 20266am Thu, Apr 16 20267am Thu, Apr 16 20268am Thu, Apr 16 20269am Thu, Apr 16 202610am Thu, Apr 16 202611am Thu, Apr 16 202612pm Thu, Apr 16 20261pm Thu, Apr 16 20262pm Thu, Apr 16 20263pm Thu, Apr 16 20264pm Thu, Apr 16 20265pm Thu, Apr 16 20266pm Thu, Apr 16 20267pm Thu, Apr 16 20268pm Thu, Apr 16 20269pm Thu, Apr 16 202610pm Thu, Apr 16 202611pm Thu, Apr 16 202612am Fri, Apr 17 20261am Fri, Apr 17 20262am Fri, Apr 17 20263am Fri, Apr 17 20264am Fri, Apr 17 20265am Fri, Apr 17 20266am Fri, Apr 17 20267am Fri, Apr 17 20268am Fri, Apr 17 20269am Fri, Apr 17 202610am Fri, Apr 17 202611am Fri, Apr 17 202612pm Fri, Apr 17 20261pm Fri, Apr 17 20262pm Fri, Apr 17 2026

Date	04/13																					04/14
Hour (CDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	7	7	6	5	6	7	8	8	9	10	11	13	14	16	16	16	14	13	12	10	9	8	8	7
Dewpoint (°C)	7	6	5	5	6	7	7	7	7	7	8	9	9	9	9	9	9	9	8	8	8	7	7	7
Wind Chill (°C)	3	3	2	1	1	3	4	4	6	7										8	7	6	6	5
Surface Wind (mph)	15	15	16	16	15	13	14	14	14	14	14	14	14	14	14	13	13	10	10	9	9	8	8	7
Wind Dir	NNE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	E	E	E	ENE	E	ENE	ENE	NE	NE	NE	NE	NNE	NNE	NNW	N
Gust
Sky Cover (%)	100	95	94	93	92	90	88	85	82	80	70	60	56	57	44	43	47	49	60	55	57	48	51	47
Precipitation Potential (%)	4	6	6	7	11	13	15	16	19	30	37	24	27	31	36	29	20	22	20	7	6	7	4	6
Relative Humidity (%)	96	96	93	100	100	100	93	93	89	83	86	77	72	67	67	65	69	74	80	89	89	93	93	96
Rain	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	SChc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	Chc	Chc	SChc	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																						04/15
Hour (CDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	7	6	6	6	4	6	7	8	9	11	12	13	14	14	14	14	13	12	11	9	8	7	7	6
Dewpoint (°C)	6	6	6	5	4	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5
Wind Chill (°C)	4	3	3	3	2	3	4	6	7											7	6	6	5	4
Surface Wind (mph)	7	7	7	7	7	7	7	8	9	9	10	10	10	10	9	8	7	6	6	6	6	6	6	6
Wind Dir	NNE	NNW	NW	WNW	WNW	W	W	W	W	WNW	WNW	WNW	NW	NW	NW	NNW	N	N	NE	ENE	E	E	ESE	ESE
Gust
Sky Cover (%)	42	49	53	55	69	68	68	67	62	56	51	53	56	58	58	59	59	56	54	51	48	44	41	40
Precipitation Potential (%)	1	0	0	0	3	3	3	3	3	3	5	5	5	5	5	5	5	5	5	5	5	5	6	6
Relative Humidity (%)	96	100	100	96	100	96	93	86	77	74	66	62	59	57	57	57	62	66	74	83	86	89	89	93
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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