Point Forecast: Grenville SD  45.46N 97.37W (Elev. 1795 ft)	Last Update: 5:37 pm CDT Mar 12, 2026

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Wind Chill (°F) 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-ft) 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: 6pm Thu, Mar 12 20267pm Thu, Mar 12 20268pm Thu, Mar 12 20269pm Thu, Mar 12 202610pm Thu, Mar 12 202611pm Thu, Mar 12 202612am Fri, Mar 13 20261am Fri, Mar 13 20262am Fri, Mar 13 20263am Fri, Mar 13 20264am Fri, Mar 13 20265am Fri, Mar 13 20266am Fri, Mar 13 20267am Fri, Mar 13 20268am Fri, Mar 13 20269am Fri, Mar 13 202610am Fri, Mar 13 202611am Fri, Mar 13 202612pm Fri, Mar 13 20261pm Fri, Mar 13 20262pm Fri, Mar 13 20263pm Fri, Mar 13 20264pm Fri, Mar 13 20265pm Fri, Mar 13 20266pm Fri, Mar 13 20267pm Fri, Mar 13 20268pm Fri, Mar 13 20269pm Fri, Mar 13 202610pm Fri, Mar 13 202611pm Fri, Mar 13 202612am Sat, Mar 14 20261am Sat, Mar 14 20262am Sat, Mar 14 20263am Sat, Mar 14 20264am Sat, Mar 14 20265am Sat, Mar 14 20266am Sat, Mar 14 20267am Sat, Mar 14 20268am Sat, Mar 14 20269am Sat, Mar 14 202610am Sat, Mar 14 202611am Sat, Mar 14 202612pm Sat, Mar 14 20261pm Sat, Mar 14 20262pm Sat, Mar 14 20263pm Sat, Mar 14 20264pm Sat, Mar 14 20265pm Sat, Mar 14 20266pm Sat, Mar 14 20267pm Sat, Mar 14 20268pm Sat, Mar 14 20269pm Sat, Mar 14 202610pm Sat, Mar 14 202611pm Sat, Mar 14 202612am Sun, Mar 15 20261am Sun, Mar 15 20262am Sun, Mar 15 20263am Sun, Mar 15 20264am Sun, Mar 15 20265am Sun, Mar 15 20266am Sun, Mar 15 20267am Sun, Mar 15 20268am Sun, Mar 15 20269am Sun, Mar 15 202610am Sun, Mar 15 202611am Sun, Mar 15 202612pm Sun, Mar 15 20261pm Sun, Mar 15 20262pm Sun, Mar 15 20263pm Sun, Mar 15 20264pm Sun, Mar 15 20265pm Sun, Mar 15 20266pm Sun, Mar 15 20267pm Sun, Mar 15 20268pm Sun, Mar 15 20269pm Sun, Mar 15 202610pm Sun, Mar 15 202611pm Sun, Mar 15 202612am Mon, Mar 16 20261am Mon, Mar 16 20262am Mon, Mar 16 20263am Mon, Mar 16 20264am Mon, Mar 16 20265am Mon, Mar 16 20266am Mon, Mar 16 20267am Mon, Mar 16 20268am Mon, Mar 16 20269am Mon, Mar 16 202610am Mon, Mar 16 202611am Mon, Mar 16 202612pm Mon, Mar 16 20261pm Mon, Mar 16 20262pm Mon, Mar 16 20263pm Mon, Mar 16 20264pm Mon, Mar 16 20265pm Mon, Mar 16 20266pm Mon, Mar 16 20267pm Mon, Mar 16 20268pm Mon, Mar 16 20269pm Mon, Mar 16 202610pm Mon, Mar 16 202611pm Mon, Mar 16 202612am Tue, Mar 17 20261am Tue, Mar 17 20262am Tue, Mar 17 20263am Tue, Mar 17 20264am Tue, Mar 17 20265am Tue, Mar 17 2026

Date	03/12						03/13
Hour (CDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	41	41	40	38	36	33	31	29	28	26	25	23	22	21	20	20	21	22	23	25	27	28	29	30
Dewpoint (°F)	33	33	32	30	27	26	24	22	21	20	18	17	16	15	13	13	12	12	12	12	12	12	11	11
Wind Chill (°F)	30	30	28	25	22	17	14	12	11	9	8	5	5	4	3	4	6	7	10	13	16	18	21	23
Surface Wind (mph)	29	30	33	36	39	39	40	38	37	33	32	30	28	24	23	21	20	18	16	14	13	11	8	7
Wind Dir	W	W	W	W	WNW	WNW	NW	NW	NW	NW	NW	NW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N
Gust	52	55	56	60	63	63	62	61	59	55	49	44	40	37	36	32	28			22
Sky Cover (%)	78	65	38	48	71	80	80	84	90	88	91	90	80	74	66	58	56	42	31	35	49	51	61	71
Precipitation Potential (%)	25	18	15	10	19	24	17	5	2	2	2	2	1	0	0	0	0	0	0	0	0	0	0	1
Relative Humidity (%)	73	73	73	72	69	75	75	75	75	78	74	77	77	77	74	74	68	65	62	57	53	50	46	44
Rain	Chc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							03/14
Hour (CDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	31	29	28	26	25	24	24	24	24	24	24	23	23	23	23	25	26	28	29	30	31	32	32	31
Dewpoint (°F)	12	12	13	14	15	15	15	15	16	16	17	18	18	19	19	19	19	19	20	20	21	21	22	23
Wind Chill (°F)	25	23	22	19	18	17	16	16	16	16	16	15	15	15	14	16	17	19	20	20	21	22	22	20
Surface Wind (mph)	6	6	6	6	6	6	7	7	7	7	7	7	7	7	8	8	9	10	10	11	13	14	15	16
Wind Dir	N	ENE	E	E	E	ESE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	E	E	E	E	E
Gust																						22	23	24
Sky Cover (%)	76	76	75	80	85	85	85	85	87	90	92	92	93	93	93	94	94	92	89	87	88	88	89	91
Precipitation Potential (%)	5	13	13	13	13	13	13	28	28	28	28	28	28	26	26	26	26	26	26	59	59	59	59	59
Relative Humidity (%)	45	48	53	60	65	68	68	68	71	71	74	81	81	84	84	78	74	68	69	66	66	63	66	72
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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