Weather Almanac: Westby, MT 59275

🗓️ Historical norms for January 2026

December February

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

January avg. precipitation

🌧️ 0.37"

January days below freezing

📉 ≈31.0 days

Average January lows -11°F – 6°F

USDA Zone

3b

Annual extreme lows -35°F to -30°F

Last Spring Frost (36°F)

🌷 Jun 4

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First Fall Frost (36°F)

🍂 Sep 4

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Thu. January 1 New Year's Day

🌅 7:50 a.m.

H: 3°F – 35°F

L: -19°F – 14°F

🌇 4:10 p.m.

Fri. January 2

🌅 7:50 a.m.

H: 3°F – 35°F

L: -19°F – 14°F

🌇 4:11 p.m.

Sat. January 3

🌅 7:50 a.m.

H: 3°F – 35°F

L: -19°F – 14°F

🌇 4:12 p.m.

Sun. January 4

🌅 7:49 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:13 p.m.

Mon. January 5

🌅 7:49 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:15 p.m.

Tue. January 6 Epiphany

🌅 7:49 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:16 p.m.

Wed. January 7

🌅 7:49 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:17 p.m.

Thu. January 8

🌅 7:48 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:18 p.m.

Fri. January 9

🌅 7:48 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:19 p.m.

Sat. January 10

🌅 7:47 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:21 p.m.

Sun. January 11

🌅 7:47 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:22 p.m.

Mon. January 12

🌅 7:46 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:23 p.m.

Tue. January 13

🌅 7:46 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:25 p.m.

Wed. January 14

🌅 7:45 a.m.

H: 3°F – 34°F

L: -19°F – 13°F

🌇 4:26 p.m.

Thu. January 15

🌅 7:44 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:28 p.m.

Fri. January 16

🌅 7:43 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:29 p.m.

Sat. January 17

🌅 7:43 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:30 p.m.

Sun. January 18

🌅 7:42 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:32 p.m.

Mon. January 19 Martin Luther King Jr. Day

🌅 7:41 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:33 p.m.

Tue. January 20

🌅 7:40 a.m.

H: 3°F – 35°F

L: -19°F – 13°F

🌇 4:35 p.m.

Wed. January 21

🌅 7:39 a.m.

H: 4°F – 35°F

L: -19°F – 14°F

🌇 4:37 p.m.

Thu. January 22

🌅 7:38 a.m.

H: 4°F – 35°F

L: -18°F – 14°F

🌇 4:38 p.m.

Fri. January 23

🌅 7:37 a.m.

H: 4°F – 36°F

L: -18°F – 14°F

🌇 4:40 p.m.

Sat. January 24

🌅 7:36 a.m.

H: 4°F – 36°F

L: -18°F – 14°F

🌇 4:41 p.m.

Sun. January 25

🌅 7:35 a.m.

H: 4°F – 36°F

L: -18°F – 14°F

🌇 4:43 p.m.

Mon. January 26

🌅 7:34 a.m.

H: 4°F – 36°F

L: -18°F – 14°F

🌇 4:44 p.m.

Tue. January 27

🌅 7:33 a.m.

H: 5°F – 36°F

L: -17°F – 14°F

🌇 4:46 p.m.

Wed. January 28

🌅 7:31 a.m.

H: 5°F – 36°F

L: -17°F – 14°F

🌇 4:48 p.m.

Thu. January 29

🌅 7:30 a.m.

H: 5°F – 36°F

L: -17°F – 14°F

🌇 4:49 p.m.

Fri. January 30

🌅 7:29 a.m.

H: 5°F – 36°F

L: -17°F – 15°F

🌇 4:51 p.m.

Sat. January 31

🌅 7:27 a.m.

H: 6°F – 37°F

L: -17°F – 15°F

🌇 4:53 p.m.

December February

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: WESTBY (USC00248777)

Precipitation climatic data from weather station: WESTBY (USC00248777)

Agricultural climatic data from weather station: WESTBY (USC00248777)