Lewistown, MT 59457 Hourly Weather

Fergus County3:46 PM MDT47.06°N, 109.42°W

Next 48 hours

3 PM 6 PM 9 PM Thu Oct 22 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Fri Oct 23 12 AM 3 AM 6 AM 9 AM 12 PM 40° 50° 60° 70° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 219 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
3 PM Sunny 72° 72° 0% 0.00 in – SW 9 G18 32% 41° 8% 2
4 PM Sunny 70° 70° 0% 0.00 in – SW 9 G17 32% 39° 11% 1
5 PM Sunny 69° 69° 0% 0.00 in – SSW 7 G14 35% 40° 7% 0
6 PM Mostly Clear 64° 64° 1% 0.00 in – SSW 6 G13 42% 40° 14% 0
7 PM Mostly Clear 58° 58° 1% 0.00 in – S 7 G13 48% 38° 17% 0
8 PM Clear 55° 55° 1% 0.00 in – S 8 G15 52% 38° 5% 0
9 PM Mostly Clear 54° 54° 1% 0.00 in – S 9 G15 54% 38° 11% 0
10 PM Mostly Clear 53° 53° 1% 0.00 in – SSE 8 G14 56% 38° 11% 0
11 PM Mostly Clear 52° 52° 1% 0.00 in – SSE 7 56% 37° 9% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 52° 52° 1% 0.00 in – SSE 7 57% 37° 6% 0
1 AM Mostly Clear 51° 51° 1% 0.00 in – S 6 58% 37° 9% 0
2 AM Mostly Clear 50° 48° 1% 0.00 in – S 6 60% 37° 10% 0
3 AM Mostly Clear 50° 48° 1% 0.00 in – SSE 5 62% 38° 10% 0
4 AM Clear 48° 46° 1% 0.00 in – SSE 5 62% 36° 5% 0
5 AM Mostly Clear 48° 46° 1% 0.00 in – SSE 5 62% 36° 8% 0
6 AM Sunny 49° 47° 2% 0.00 in – SSE 5 62% 37° 11% 0
7 AM Sunny 46° 45° 2% 0.00 in – SSE 3 G8 64% 35° 19% 0
8 AM Sunny 48° 47° 2% 0.00 in – SSE 3 64% 36° 10% 0
9 AM Sunny 51° 51° 2% 0.00 in – SSE 3 G8 60% 38° 5% 0
10 AM Sunny 61° 61° 2% 0.00 in – SE 2 G8 50% 42° 5% 1
11 AM Sunny 67° 67° 1% 0.00 in – S 2 G9 41% 43° 6% 2
12 PM Sunny 72° 72° 1% 0.00 in – SW 3 G10 35% 43° 10% 3
1 PM Sunny 73° 73° 1% 0.00 in – SSW 3 G12 32% 41° 9% 3
2 PM Sunny 74° 74° 1% 0.00 in – S 5 G13 30% 41° 7% 3
3 PM Sunny 75° 75° 1% 0.00 in – S 6 G14 30% 41° 17% 2
4 PM Sunny 73° 73° 0% 0.00 in – S 5 G14 31% 41° 11% 1
5 PM Mostly Sunny 72° 72° 0% 0.00 in – SSE 5 G12 35% 43° 28% 0
6 PM Mostly Cloudy 66° 66° 0% 0.00 in – ESE 6 G15 43% 43° 60% 0
7 PM Mostly Cloudy 60° 60° 0% 0.00 in – ESE 6 G15 50% 41° 60% 0
8 PM Mostly Cloudy 58° 58° 0% 0.00 in – ESE 6 G15 54% 41° 60% 0
9 PM Mostly Cloudy 57° 57° 0% 0.00 in – SE 9 G16 56% 41° 61% 0
10 PM Mostly Cloudy 55° 55° 0% 0.00 in – SE 9 G16 59% 41° 61% 0
11 PM Mostly Cloudy 55° 55° 0% 0.00 in – SE 9 G16 59% 41° 61% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 55° 55° 0% 0.00 in – SE 7 G13 61% 42° 51% 0
1 AM Mostly Cloudy 53° 53° 0% 0.00 in – SE 7 G13 61% 40° 51% 0
2 AM Mostly Cloudy 53° 53° 0% 0.00 in – SE 7 G13 61% 40° 51% 0
3 AM Mostly Cloudy 52° 52° 0% 0.00 in – SE 5 63% 40° 52% 0
4 AM Mostly Cloudy 50° 48° 6% 0.00 in – SE 5 65% 39° 52% 0
5 AM Slight Chance Light Rain 50° 48° 16% 0.00 in – SE 5 65% 39° 52% 0
6 AM Chance Light Rain 50° 50° 49% <0.01 in – SSW 2 66% 39° 71% 0
7 AM Chance Light Rain 47° 47° 49% <0.01 in – SSW 2 72% 38° 71% 0
8 AM Chance Light Rain 49° 49° 49% <0.01 in – SSW 2 76% 42° 71% 0
9 AM Chance Light Rain 52° 52° 49% <0.01 in – W 6 G13 78% 45° 77% 0
10 AM Chance Light Rain 53° 53° 49% <0.01 in – W 6 G13 79% 47° 77% 1
11 AM Chance Light Rain 53° 53° 49% <0.01 in – W 6 G13 79% 47° 77% 2
12 PM Rain 52° 52° 95% 0.04 in – WNW 20 G31 80% 46° 97% 2
1 PM Rain 50° 44° 95% 0.04 in – WNW 20 G31 84% 45° 97% 3
2 PM Rain 48° 41° 95% 0.04 in – WNW 20 G31 89% 45° 97% 2
3 PM Rain 45° 36° 95% 0.04 in – WNW 23 G36 94% 43° 97% 2
4 PM Rain 42° 32° 95% 0.04 in – WNW 23 G36 97% 41° 97% 1
5 PM Rain 38° 27° 95% 0.04 in – WNW 23 G36 99% 38° 97% 0
6 PM Rain And Snow 35° 22° 94% 0.03 in 0.1 in WNW 26 G39 100% 35° 96% 0
7 PM Rain And Snow 33° 20° 94% 0.03 in 0.1 in WNW 26 G39 100% 33° 96% 0
8 PM Rain And Snow 32° 18° 94% 0.03 in 0.1 in WNW 26 G39 100% 32° 96% 0
9 PM Rain And Snow 32° 18° 94% 0.03 in 0.1 in WNW 28 G40 100% 32° 96% 0
10 PM Rain And Snow 32° 18° 94% 0.03 in 0.1 in WNW 28 G40 98% 31° 96% 0
11 PM Rain And Snow 31° 17° 94% 0.03 in 0.1 in WNW 28 G40 96% 30° 96% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Chance Light Snow 31° 18° 31% <0.01 in <0.1 in WNW 24 G38 95% 30° 86% 0
1 AM Chance Light Snow 30° 16° 31% <0.01 in <0.1 in WNW 24 G38 95% 29° 86% 0
2 AM Chance Light Snow 29° 15° 31% <0.01 in <0.1 in WNW 24 G38 96% 28° 86% 0
3 AM Chance Light Snow 27° 13° 31% <0.01 in <0.1 in WNW 21 G33 96% 26° 63% 0
4 AM Chance Light Snow 26° 12° 31% <0.01 in <0.1 in WNW 21 G33 94% 25° 63% 0
5 AM Chance Light Snow 26° 12° 31% <0.01 in <0.1 in WNW 21 G33 91% 24° 63% 0
6 AM Mostly Sunny 26° 18° 0% 0.00 in – W 8 G20 87% 23° 40% 0
7 AM Mostly Sunny 26° 18° 0% 0.00 in – W 8 G20 83% 22° 40% –
8 AM Mostly Sunny 26° 18° 0% 0.00 in – W 8 G20 80% 21° 40% –
9 AM Mostly Sunny 27° 27° 0% 0.00 in – W 2 G10 76% 20° 29% –
10 AM Mostly Sunny 31° 31° 0% 0.00 in – W 2 G10 72% 23° 29% –
11 AM Mostly Sunny 34° 34° 0% 0.00 in – W 2 G10 69% 25° 29% –
12 PM Sunny 38° 38° 0% 0.00 in – WNW 1 G8 65% 27° 10% –
1 PM Sunny 40° 40° 0% 0.00 in – WNW 1 G8 60% 27° 10% –
2 PM Sunny 41° 41° 0% 0.00 in – WNW 1 G8 56% 27° 10% –
3 PM Sunny 42° 42° 0% 0.00 in – WNW 2 G10 54% 27° 10% –
4 PM Sunny 41° 41° 0% 0.00 in – WNW 2 G10 56% 27° 10% –
5 PM Sunny 39° 39° 0% 0.00 in – WNW 2 G10 60% 26° 10% –
6 PM Mostly Clear 37° 34° 2% 0.00 in – ENE 3 G8 64% 26° 14% –
7 PM Mostly Clear 34° 31° 2% 0.00 in – ENE 3 G8 68% 25° 14% –
8 PM Mostly Clear 32° 29° 2% 0.00 in – ENE 3 G8 72% 24° 14% –
9 PM Mostly Clear 30° 24° 2% 0.00 in – ESE 6 G12 75% 23° 14% –
10 PM Mostly Clear 29° 23° 2% 0.00 in – ESE 6 G12 75% 22° 14% –
11 PM Mostly Clear 28° 22° 2% 0.00 in – ESE 6 G12 75% 21° 14% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 28° 24° 3% 0.00 in – ESE 3 G8 75% 21° 35% –
1 AM Partly Cloudy 27° 23° 3% 0.00 in – ESE 3 G8 77% 21° 35% –
2 AM Partly Cloudy 26° 22° 3% 0.00 in – ESE 3 G8 79% 20° 35% –
3 AM Partly Cloudy 26° 22° 3% 0.00 in – ESE 3 G8 81% 21° 35% –
4 AM Partly Cloudy 26° 22° 3% 0.00 in – ESE 3 G8 80% 21° 35% –
5 AM Partly Cloudy 26° 22° 3% 0.00 in – ESE 3 G8 78% 20° 35% –
6 AM Mostly Sunny 27° 23° 8% 0.00 in – ESE 3 G8 74% 20° 39% –
7 AM Mostly Sunny 28° 24° 8% 0.00 in – ESE 3 G8 71% 20° 39% –
8 AM Mostly Sunny 28° 24° 8% 0.00 in – ESE 3 G8 68% 19° 39% –
9 AM Mostly Sunny 30° 26° 8% 0.00 in – ESE 3 G9 66% 20° 39% –
10 AM Mostly Sunny 33° 30° 8% 0.00 in – ESE 3 G9 65% 23° 39% –
11 AM Mostly Sunny 36° 33° 8% 0.00 in – ESE 3 G9 65% 25° 39% –
12 PM Sunny 39° 36° 8% 0.00 in – E 5 G12 64% 28° 25% –
1 PM Sunny 41° 38° 8% 0.00 in – E 5 G12 63% 29° 25% –
2 PM Sunny 42° 39° 8% 0.00 in – E 5 G12 62% 30° 25% –
3 PM Sunny 42° 38° 8% 0.00 in – E 6 G14 62% 30° 25% –
4 PM Sunny 41° 37° 8% 0.00 in – E 6 G14 63% 29° 25% –
5 PM Sunny 40° 36° 8% 0.00 in – E 6 G14 65% 29° 25% –
6 PM Partly Cloudy 38° 34° 10% 0.00 in – E 6 G13 67% 28° 36% –
7 PM Partly Cloudy 36° 31° 10% 0.00 in – E 6 G13 69% 27° 36% –
8 PM Partly Cloudy 33° 28° 10% 0.00 in – E 6 G13 72% 25° 36% –
9 PM Partly Cloudy 31° 24° 10% 0.00 in – ESE 7 G13 75% 24° 36% –
10 PM Partly Cloudy 30° 23° 10% 0.00 in – ESE 7 G13 76% 23° 36% –
11 PM Partly Cloudy 29° 22° 10% 0.00 in – ESE 7 G13 77% 23° 36% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Slight Chance Light Snow 29° 24° 15% 0.00 in – ESE 5 78% 23° 48% –
1 AM Slight Chance Light Snow 28° 23° 15% 0.00 in – ESE 5 80% 23° 48% –
2 AM Slight Chance Light Snow 27° 22° 15% 0.00 in – ESE 5 83% 23° 48% –
3 AM Slight Chance Light Snow 26° 20° 15% 0.00 in – ESE 5 85% 22° 48% –
4 AM Slight Chance Light Snow 25° 19° 15% 0.00 in – ESE 5 86% 21° 48% –
5 AM Slight Chance Light Snow 25° 19° 15% 0.00 in – ESE 5 86% 21° 48% –
6 AM Partly Sunny 26° 20° 13% 0.00 in – ESE 5 85% 22° 62% –
7 AM Partly Sunny 27° 22° 13% 0.00 in – ESE 5 81% 22° 62% –
8 AM Partly Sunny 28° 23° 13% 0.00 in – ESE 5 77% 22° 62% –
9 AM Partly Sunny 31° 28° 13% 0.00 in – ESE 3 G10 72% 23° 62% –
10 AM Partly Sunny 35° 32° 13% 0.00 in – ESE 3 G10 67% 25° 62% –
11 AM Partly Sunny 40° 38° 13% 0.00 in – ESE 3 G10 63% 28° 62% –
12 PM Partly Sunny 44° 42° 9% 0.00 in – E 3 G10 60% 31° 52% –
1 PM Partly Sunny 47° 46° 9% 0.00 in – E 3 G10 57% 33° 52% –
2 PM Partly Sunny 48° 47° 9% 0.00 in – E 3 G10 54% 32° 52% –
3 PM Partly Sunny 48° 47° 9% 0.00 in – NE 3 G12 54% 32° 52% –
4 PM Partly Sunny 47° 46° 9% 0.00 in – NE 3 G12 56% 32° 52% –
5 PM Partly Sunny 44° 42° 9% 0.00 in – NE 3 G12 60% 31° 52% –
6 PM Slight Chance Light Snow 41° 39° 15% 0.00 in – ESE 3 G9 65% 30° 58% –
7 PM Slight Chance Light Snow 38° 36° 15% 0.00 in – ESE 3 G9 69% 29° 58% –
8 PM Slight Chance Light Snow 36° 33° 15% 0.00 in – ESE 3 G9 72% 28° 58% –
9 PM Slight Chance Rain And Snow 34° 30° 15% 0.00 in – SSE 5 75% 27° 58% –
10 PM Slight Chance Rain And Snow 33° 29° 15% 0.00 in – SSE 5 76% 26° 58% –
11 PM Slight Chance Rain And Snow 33° 29° 15% 0.00 in – SSE 5 75% 26° 58% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Slight Chance Light Snow 33° 30° 15% 0.00 in – S 3 G8 75% 26° 64% –
1 AM Slight Chance Light Snow 32° 29° 15% 0.00 in – S 3 G8 77% 26° 64% –
2 AM Slight Chance Light Snow 31° 28° 15% 0.00 in – S 3 G8 80% 26° 64% –
3 AM Slight Chance Rain And Snow 30° 26° 15% 0.00 in – S 3 81% 25° 64% –
4 AM Slight Chance Rain And Snow 30° 26° 15% 0.00 in – S 3 81% 25° 64% –
5 AM Slight Chance Rain And Snow 30° 26° 15% 0.00 in – S 3 78% 24° 64% –
6 AM Slight Chance Rain And Snow 31° 28° 19% 0.00 in – SSW 3 75% 24° 67% –
7 AM Slight Chance Rain And Snow 32° 29° 19% 0.00 in – SSW 3 71% 24° 67% –
8 AM Slight Chance Rain And Snow 34° 31° 19% 0.00 in – SSW 3 68% 25° 67% –
9 AM Slight Chance Rain And Snow 37° 34° 19% 0.00 in – WSW 3 G9 64% 26° 67% –
10 AM Slight Chance Rain And Snow 40° 38° 19% 0.00 in – WSW 3 G9 61% 28° 67% –
11 AM Slight Chance Rain And Snow 44° 42° 19% 0.00 in – WSW 3 G9 58% 30° 67% –
12 PM Chance Rain And Snow 47° 46° 30% <0.01 in – W 3 G12 56% 32° 53% –
1 PM Chance Rain And Snow 49° 48° 30% <0.01 in – W 3 G12 53% 33° 53% –
2 PM Chance Rain And Snow 49° 48° 30% <0.01 in – W 3 G12 50% 31° 53% –
3 PM Chance Light Rain 49° 47° 30% <0.01 in – WNW 5 G14 50% 31° 53% –
4 PM Chance Light Rain 47° 45° 30% <0.01 in – WNW 5 G14 52% 30° 53% –
5 PM Chance Light Rain 45° 43° 30% <0.01 in – WNW 5 G14 55% 30° 53% –
6 PM Chance Rain And Snow 42° 39° 33% <0.01 in – WNW 5 G10 60% 29° 55% –
7 PM Chance Rain And Snow 39° 36° 33% <0.01 in – WNW 5 G10 62% 27° 55% –
8 PM Chance Rain And Snow 37° 33° 33% <0.01 in – WNW 5 G10 65% 26° 55% –
9 PM Chance Rain And Snow 35° 29° 33% <0.01 in – W 7 66% 25° 55% –
10 PM Chance Rain And Snow 34° 28° 33% <0.01 in – W 7 68% 25° 55% –
11 PM Chance Rain And Snow 33° 27° 33% <0.01 in – W 7 68% 24° 55% –
Wednesday, October 282 hours
Time Conditions Temp Feels Precip Amount Snow Wind Humidity Dew point Clouds UV
12 AM Chance Light Snow 33° 27° 33% 0.01 in <0.1 in W 7 69% 24° 55% –
1 AM Chance Light Snow 32° 26° 33% 0.01 in <0.1 in W 7 71% 24° 55% –

National Weather Service forecast updated 3 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.