weather.gov

Home

News

Organization

Search for:  NWSAll NOAA

Point Forecast: Lewistown MT  47.07N 109.43W (Elev. 3898 ft)	Last Update: 4:13 am MST Jan 27, 2020

[hide menu]  |  Font Size: A A A

Weather Elements Fire Weather Aviation Weather 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 Haines Index Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Grassland Fire Danger Index Ceiling Height Visibility

48-Hour Period Starting: 7am Mon, Jan 27 20208am Mon, Jan 27 20209am Mon, Jan 27 202010am Mon, Jan 27 202011am Mon, Jan 27 202012pm Mon, Jan 27 20201pm Mon, Jan 27 20202pm Mon, Jan 27 20203pm Mon, Jan 27 20204pm Mon, Jan 27 20205pm Mon, Jan 27 20206pm Mon, Jan 27 20207pm Mon, Jan 27 20208pm Mon, Jan 27 20209pm Mon, Jan 27 202010pm Mon, Jan 27 202011pm Mon, Jan 27 202012am Tue, Jan 28 20201am Tue, Jan 28 20202am Tue, Jan 28 20203am Tue, Jan 28 20204am Tue, Jan 28 20205am Tue, Jan 28 20206am Tue, Jan 28 20207am Tue, Jan 28 20208am Tue, Jan 28 20209am Tue, Jan 28 202010am Tue, Jan 28 202011am Tue, Jan 28 202012pm Tue, Jan 28 20201pm Tue, Jan 28 20202pm Tue, Jan 28 20203pm Tue, Jan 28 20204pm Tue, Jan 28 20205pm Tue, Jan 28 20206pm Tue, Jan 28 20207pm Tue, Jan 28 20208pm Tue, Jan 28 20209pm Tue, Jan 28 202010pm Tue, Jan 28 202011pm Tue, Jan 28 202012am Wed, Jan 29 20201am Wed, Jan 29 20202am Wed, Jan 29 20203am Wed, Jan 29 20204am Wed, Jan 29 20205am Wed, Jan 29 20206am Wed, Jan 29 20207am Wed, Jan 29 20208am Wed, Jan 29 20209am Wed, Jan 29 202010am Wed, Jan 29 202011am Wed, Jan 29 202012pm Wed, Jan 29 20201pm Wed, Jan 29 20202pm Wed, Jan 29 20203pm Wed, Jan 29 20204pm Wed, Jan 29 20205pm Wed, Jan 29 20206pm Wed, Jan 29 20207pm Wed, Jan 29 20208pm Wed, Jan 29 20209pm Wed, Jan 29 202010pm Wed, Jan 29 202011pm Wed, Jan 29 202012am Thu, Jan 30 20201am Thu, Jan 30 20202am Thu, Jan 30 20203am Thu, Jan 30 20204am Thu, Jan 30 20205am Thu, Jan 30 20206am Thu, Jan 30 20207am Thu, Jan 30 20208am Thu, Jan 30 20209am Thu, Jan 30 202010am Thu, Jan 30 202011am Thu, Jan 30 202012pm Thu, Jan 30 20201pm Thu, Jan 30 20202pm Thu, Jan 30 20203pm Thu, Jan 30 20204pm Thu, Jan 30 20205pm Thu, Jan 30 20206pm Thu, Jan 30 20207pm Thu, Jan 30 20208pm Thu, Jan 30 20209pm Thu, Jan 30 202010pm Thu, Jan 30 202011pm Thu, Jan 30 202012am Fri, Jan 31 20201am Fri, Jan 31 20202am Fri, Jan 31 20203am Fri, Jan 31 20204am Fri, Jan 31 20205am Fri, Jan 31 20206am Fri, Jan 31 20207am Fri, Jan 31 20208am Fri, Jan 31 20209am Fri, Jan 31 202010am Fri, Jan 31 202011am Fri, Jan 31 202012pm Fri, Jan 31 20201pm Fri, Jan 31 20202pm Fri, Jan 31 20203pm Fri, Jan 31 20204pm Fri, Jan 31 20205pm Fri, Jan 31 20206pm Fri, Jan 31 2020

Date	01/27																	01/28
Hour (MST)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	29	29	31	33	37	40	41	41	41	40	38	36	34	33	32	31	32	31	30	29	28	27	25	26
Dewpoint (°F)	26	25	26	25	26	26	25	23	24	24	24	23	23	23	22	21	20	19	19	20	19	18	16	16
Wind Chill (°F)	21	21	23	25	29	32	33	33	33	32	30	28	26	24	23	22	23	22	21	21	22	20	18	19
Surface Wind (mph)	8	8	9	10	13	15	16	16	15	14	14	13	11	13	13	11	13	11	10	8	6	6	6	6
Wind Dir	W	W	W	W	W	W	W	WNW	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW
Gust						21	23	23	21	20	20
Sky Cover (%)	95	94	92	89	85	86	82	76	61	59	47	40	23	19	21	18	16	13	13	16	18	17	39	39
Precipitation Potential (%)	46	37	32	27	20	15	7	6	6	6	5	4	4	3	2	2	2	1	1	1	1	1	7	7
Relative Humidity (%)	88	85	82	73	64	56	53	49	51	53	57	60	64	65	65	67	61	61	63	69	70	69	69	66
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	Chc	Chc	Chc	Chc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																		01/29
Hour (MST)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	27	27	30	35	39	42	44	45	44	41	39	37	35	34	33	32	32	32	31	31	30	29	28	27
Dewpoint (°F)	17	17	19	22	24	25	27	28	28	28	25	25	24	25	24	24	24	25	24	25	24	23	23	22
Wind Chill (°F)	20	20	23	29	33	37	39	40	38	35	34	32	29	29	28	26	25	25	24	24	23	22	22	20
Surface Wind (mph)	6	7	7	7	9	9	9	10	10	10	7	7	7	6	6	6	8	8	8	7	7	7	6	6
Wind Dir	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	39	73	73	73	92	92	92	77	77	77	90	90	90	76	76	76	62	62	62	60	60	60	50	50
Precipitation Potential (%)	7	7	7	7	12	12	12	12	12	12	21	21	21	21	21	21	10	10	10	10	10	10	2	2
Relative Humidity (%)	65	65	62	60	55	51	50	51	55	59	58	62	65	68	70	72	73	74	76	77	78	79	80	81
Rain	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Zone Forecast User Defined Area

---

Webmaster NOAA's National Weather Service Great Falls, MT

Disclaimer Credits Glossary

Privacy Policy About Us Career Opportunities